summaryrefslogtreecommitdiff
path: root/spec/ruby/core/io
diff options
context:
space:
mode:
Diffstat (limited to 'spec/ruby/core/io')
-rw-r--r--spec/ruby/core/io/advise_spec.rb86
-rw-r--r--spec/ruby/core/io/autoclose_spec.rb77
-rw-r--r--spec/ruby/core/io/binmode_spec.rb64
-rw-r--r--spec/ruby/core/io/binread_spec.rb57
-rw-r--r--spec/ruby/core/io/binwrite_spec.rb6
-rw-r--r--spec/ruby/core/io/buffer/empty_spec.rb29
-rw-r--r--spec/ruby/core/io/buffer/external_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/free_spec.rb104
-rw-r--r--spec/ruby/core/io/buffer/initialize_spec.rb103
-rw-r--r--spec/ruby/core/io/buffer/internal_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/locked_spec.rb75
-rw-r--r--spec/ruby/core/io/buffer/mapped_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/null_spec.rb29
-rw-r--r--spec/ruby/core/io/buffer/private_spec.rb111
-rw-r--r--spec/ruby/core/io/buffer/readonly_spec.rb143
-rw-r--r--spec/ruby/core/io/buffer/resize_spec.rb155
-rw-r--r--spec/ruby/core/io/buffer/shared/null_and_empty.rb59
-rw-r--r--spec/ruby/core/io/buffer/shared_spec.rb117
-rw-r--r--spec/ruby/core/io/buffer/transfer_spec.rb118
-rw-r--r--spec/ruby/core/io/buffer/valid_spec.rb110
-rw-r--r--spec/ruby/core/io/close_on_exec_spec.rb76
-rw-r--r--spec/ruby/core/io/close_read_spec.rb61
-rw-r--r--spec/ruby/core/io/close_spec.rb118
-rw-r--r--spec/ruby/core/io/close_write_spec.rb68
-rw-r--r--spec/ruby/core/io/closed_spec.rb20
-rw-r--r--spec/ruby/core/io/constants_spec.rb19
-rw-r--r--spec/ruby/core/io/copy_stream_spec.rb343
-rw-r--r--spec/ruby/core/io/dup_spec.rb106
-rw-r--r--spec/ruby/core/io/each_byte_spec.rb57
-rw-r--r--spec/ruby/core/io/each_char_spec.rb12
-rw-r--r--spec/ruby/core/io/each_codepoint_spec.rb43
-rw-r--r--spec/ruby/core/io/each_line_spec.rb11
-rw-r--r--spec/ruby/core/io/each_spec.rb11
-rw-r--r--spec/ruby/core/io/eof_spec.rb107
-rw-r--r--spec/ruby/core/io/external_encoding_spec.rb223
-rw-r--r--spec/ruby/core/io/fcntl_spec.rb8
-rw-r--r--spec/ruby/core/io/fdatasync_spec.rb5
-rw-r--r--spec/ruby/core/io/fileno_spec.rb12
-rw-r--r--spec/ruby/core/io/fixtures/bom_UTF-16BE.txtbin0 -> 20 bytes
-rw-r--r--spec/ruby/core/io/fixtures/bom_UTF-16LE.txtbin0 -> 20 bytes
-rw-r--r--spec/ruby/core/io/fixtures/bom_UTF-32BE.txtbin0 -> 40 bytes
-rw-r--r--spec/ruby/core/io/fixtures/bom_UTF-32LE.txtbin0 -> 40 bytes
-rw-r--r--spec/ruby/core/io/fixtures/bom_UTF-8.txt1
-rw-r--r--spec/ruby/core/io/fixtures/classes.rb218
-rw-r--r--spec/ruby/core/io/fixtures/copy_in_out.rb2
-rw-r--r--spec/ruby/core/io/fixtures/copy_stream.txt6
-rw-r--r--spec/ruby/core/io/fixtures/empty.txt0
-rw-r--r--spec/ruby/core/io/fixtures/incomplete.txt1
-rw-r--r--spec/ruby/core/io/fixtures/lines.txt9
-rw-r--r--spec/ruby/core/io/fixtures/no_bom_UTF-8.txt1
-rw-r--r--spec/ruby/core/io/fixtures/numbered_lines.txt5
-rw-r--r--spec/ruby/core/io/fixtures/one_byte.txt1
-rw-r--r--spec/ruby/core/io/fixtures/read_binary.txt1
-rw-r--r--spec/ruby/core/io/fixtures/read_euc_jp.txt1
-rw-r--r--spec/ruby/core/io/fixtures/read_text.txt1
-rw-r--r--spec/ruby/core/io/fixtures/reopen_stdout.rb3
-rw-r--r--spec/ruby/core/io/flush_spec.rb37
-rw-r--r--spec/ruby/core/io/for_fd_spec.rb10
-rw-r--r--spec/ruby/core/io/foreach_spec.rb98
-rw-r--r--spec/ruby/core/io/fsync_spec.rb24
-rw-r--r--spec/ruby/core/io/getbyte_spec.rb58
-rw-r--r--spec/ruby/core/io/getc_spec.rb42
-rw-r--r--spec/ruby/core/io/gets_spec.rb360
-rw-r--r--spec/ruby/core/io/initialize_spec.rb60
-rw-r--r--spec/ruby/core/io/inspect_spec.rb23
-rw-r--r--spec/ruby/core/io/internal_encoding_spec.rb145
-rw-r--r--spec/ruby/core/io/io_spec.rb11
-rw-r--r--spec/ruby/core/io/ioctl_spec.rb32
-rw-r--r--spec/ruby/core/io/isatty_spec.rb6
-rw-r--r--spec/ruby/core/io/lineno_spec.rb138
-rw-r--r--spec/ruby/core/io/new_spec.rb18
-rw-r--r--spec/ruby/core/io/nonblock_spec.rb48
-rw-r--r--spec/ruby/core/io/open_spec.rb99
-rw-r--r--spec/ruby/core/io/output_spec.rb27
-rw-r--r--spec/ruby/core/io/path_spec.rb12
-rw-r--r--spec/ruby/core/io/pid_spec.rb35
-rw-r--r--spec/ruby/core/io/pipe_spec.rb225
-rw-r--r--spec/ruby/core/io/popen_spec.rb287
-rw-r--r--spec/ruby/core/io/pos_spec.rb11
-rw-r--r--spec/ruby/core/io/pread_spec.rb140
-rw-r--r--spec/ruby/core/io/print_spec.rb66
-rw-r--r--spec/ruby/core/io/printf_spec.rb32
-rw-r--r--spec/ruby/core/io/putc_spec.rb11
-rw-r--r--spec/ruby/core/io/puts_spec.rb139
-rw-r--r--spec/ruby/core/io/pwrite_spec.rb69
-rw-r--r--spec/ruby/core/io/read_nonblock_spec.rb148
-rw-r--r--spec/ruby/core/io/read_spec.rb757
-rw-r--r--spec/ruby/core/io/readbyte_spec.rb24
-rw-r--r--spec/ruby/core/io/readchar_spec.rb110
-rw-r--r--spec/ruby/core/io/readline_spec.rb84
-rw-r--r--spec/ruby/core/io/readlines_spec.rb259
-rw-r--r--spec/ruby/core/io/readpartial_spec.rb115
-rw-r--r--spec/ruby/core/io/reopen_spec.rb313
-rw-r--r--spec/ruby/core/io/rewind_spec.rb53
-rw-r--r--spec/ruby/core/io/seek_spec.rb79
-rw-r--r--spec/ruby/core/io/select_spec.rb164
-rw-r--r--spec/ruby/core/io/set_encoding_by_bom_spec.rb262
-rw-r--r--spec/ruby/core/io/set_encoding_spec.rb238
-rw-r--r--spec/ruby/core/io/shared/binwrite.rb91
-rw-r--r--spec/ruby/core/io/shared/chars.rb73
-rw-r--r--spec/ruby/core/io/shared/codepoints.rb54
-rw-r--r--spec/ruby/core/io/shared/each.rb251
-rw-r--r--spec/ruby/core/io/shared/gets_ascii.rb19
-rw-r--r--spec/ruby/core/io/shared/new.rb413
-rw-r--r--spec/ruby/core/io/shared/pos.rb78
-rw-r--r--spec/ruby/core/io/shared/readlines.rb259
-rw-r--r--spec/ruby/core/io/shared/tty.rb24
-rw-r--r--spec/ruby/core/io/shared/write.rb154
-rw-r--r--spec/ruby/core/io/stat_spec.rb25
-rw-r--r--spec/ruby/core/io/sync_spec.rb64
-rw-r--r--spec/ruby/core/io/sysopen_spec.rb50
-rw-r--r--spec/ruby/core/io/sysread_spec.rb137
-rw-r--r--spec/ruby/core/io/sysseek_spec.rb49
-rw-r--r--spec/ruby/core/io/syswrite_spec.rb82
-rw-r--r--spec/ruby/core/io/tell_spec.rb7
-rw-r--r--spec/ruby/core/io/to_i_spec.rb12
-rw-r--r--spec/ruby/core/io/to_io_spec.rb21
-rw-r--r--spec/ruby/core/io/try_convert_spec.rb49
-rw-r--r--spec/ruby/core/io/tty_spec.rb6
-rw-r--r--spec/ruby/core/io/ungetbyte_spec.rb54
-rw-r--r--spec/ruby/core/io/ungetc_spec.rb138
-rw-r--r--spec/ruby/core/io/write_nonblock_spec.rb96
-rw-r--r--spec/ruby/core/io/write_spec.rb297
123 files changed, 10689 insertions, 0 deletions
diff --git a/spec/ruby/core/io/advise_spec.rb b/spec/ruby/core/io/advise_spec.rb
new file mode 100644
index 0000000000..651fc52378
--- /dev/null
+++ b/spec/ruby/core/io/advise_spec.rb
@@ -0,0 +1,86 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#advise" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "raises a TypeError if advise is not a Symbol" do
+ -> {
+ @io.advise("normal")
+ }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError if offset cannot be coerced to an Integer" do
+ -> {
+ @io.advise(:normal, "wat")
+ }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError if len cannot be coerced to an Integer" do
+ -> {
+ @io.advise(:normal, 0, "wat")
+ }.should raise_error(TypeError)
+ end
+
+ it "raises a RangeError if offset is too big" do
+ -> {
+ @io.advise(:normal, 10 ** 32)
+ }.should raise_error(RangeError)
+ end
+
+ it "raises a RangeError if len is too big" do
+ -> {
+ @io.advise(:normal, 0, 10 ** 32)
+ }.should raise_error(RangeError)
+ end
+
+ it "raises a NotImplementedError if advise is not recognized" do
+ ->{
+ @io.advise(:foo)
+ }.should raise_error(NotImplementedError)
+ end
+
+ it "supports the normal advice type" do
+ @io.advise(:normal).should be_nil
+ end
+
+ it "supports the sequential advice type" do
+ @io.advise(:sequential).should be_nil
+ end
+
+ it "supports the random advice type" do
+ @io.advise(:random).should be_nil
+ end
+
+ it "supports the dontneed advice type" do
+ @io.advise(:dontneed).should be_nil
+ end
+
+ it "supports the noreuse advice type" do
+ @io.advise(:noreuse).should be_nil
+ end
+
+ platform_is_not :linux do
+ it "supports the willneed advice type" do
+ @io.advise(:willneed).should be_nil
+ end
+ end
+
+ guard -> { platform_is :linux and kernel_version_is '3.6' } do # [ruby-core:65355] tmpfs is not supported
+ it "supports the willneed advice type" do
+ @io.advise(:willneed).should be_nil
+ end
+ end
+
+ it "raises an IOError if the stream is closed" do
+ @io.close
+ -> { @io.advise(:normal) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/autoclose_spec.rb b/spec/ruby/core/io/autoclose_spec.rb
new file mode 100644
index 0000000000..715ada7c93
--- /dev/null
+++ b/spec/ruby/core/io/autoclose_spec.rb
@@ -0,0 +1,77 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#autoclose?" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.autoclose = true unless @io.closed?
+ @io.close unless @io.closed?
+ end
+
+ it "is set to true by default" do
+ @io.should.autoclose?
+ end
+
+ it "cannot be queried on a closed IO object" do
+ @io.close
+ -> { @io.autoclose? }.should raise_error(IOError, /closed stream/)
+ end
+end
+
+describe "IO#autoclose=" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.autoclose = true unless @io.closed?
+ @io.close unless @io.closed?
+ end
+
+ it "can be set to true" do
+ @io.autoclose = false
+ @io.autoclose = true
+ @io.should.autoclose?
+ end
+
+ it "can be set to false" do
+ @io.autoclose = true
+ @io.autoclose = false
+ @io.should_not.autoclose?
+ end
+
+ it "can be set to any truthy value" do
+ @io.autoclose = false
+ @io.autoclose = 42
+ @io.should.autoclose?
+
+ @io.autoclose = false
+ @io.autoclose = Object.new
+ @io.should.autoclose?
+ end
+
+ it "can be set to any falsy value" do
+ @io.autoclose = true
+ @io.autoclose = nil
+ @io.should_not.autoclose?
+ end
+
+ it "can be set multiple times" do
+ @io.autoclose = true
+ @io.should.autoclose?
+
+ @io.autoclose = false
+ @io.should_not.autoclose?
+
+ @io.autoclose = true
+ @io.should.autoclose?
+ end
+
+ it "cannot be set on a closed IO object" do
+ @io.close
+ -> { @io.autoclose = false }.should raise_error(IOError, /closed stream/)
+ end
+end
diff --git a/spec/ruby/core/io/binmode_spec.rb b/spec/ruby/core/io/binmode_spec.rb
new file mode 100644
index 0000000000..342cac2a9b
--- /dev/null
+++ b/spec/ruby/core/io/binmode_spec.rb
@@ -0,0 +1,64 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#binmode" do
+ before :each do
+ @name = tmp("io_binmode.txt")
+ end
+
+ after :each do
+ @io.close if @io and !@io.closed?
+ rm_r @name
+ end
+
+ it "returns self" do
+ @io = new_io(@name)
+ @io.binmode.should equal(@io)
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.binmode }.should raise_error(IOError)
+ end
+
+ it "sets external encoding to binary" do
+ @io = new_io(@name, "w:utf-8")
+ @io.binmode
+ @io.external_encoding.should == Encoding::BINARY
+ end
+
+ it "sets internal encoding to nil" do
+ @io = new_io(@name, "w:utf-8:ISO-8859-1")
+ @io.binmode
+ @io.internal_encoding.should == nil
+ end
+end
+
+describe "IO#binmode?" do
+ before :each do
+ @filename = tmp("IO_binmode_file")
+ @file = File.open(@filename, "w")
+ @duped = nil
+ end
+
+ after :each do
+ @duped.close if @duped
+ @file.close
+ rm_r @filename
+ end
+
+ it "is true after a call to IO#binmode" do
+ @file.binmode?.should be_false
+ @file.binmode
+ @file.binmode?.should be_true
+ end
+
+ it "propagates to dup'ed IO objects" do
+ @file.binmode
+ @duped = @file.dup
+ @duped.binmode?.should == @file.binmode?
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.binmode? }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/binread_spec.rb b/spec/ruby/core/io/binread_spec.rb
new file mode 100644
index 0000000000..9e36b84da9
--- /dev/null
+++ b/spec/ruby/core/io/binread_spec.rb
@@ -0,0 +1,57 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO.binread" do
+ before :each do
+ @internal = Encoding.default_internal
+
+ @fname = tmp('io_read.txt')
+ @contents = "1234567890"
+ touch(@fname) { |f| f.write @contents }
+ end
+
+ after :each do
+ rm_r @fname
+ Encoding.default_internal = @internal
+ end
+
+ it "reads the contents of a file" do
+ IO.binread(@fname).should == @contents
+ end
+
+ it "reads the contents of a file up to a certain size when specified" do
+ IO.binread(@fname, 5).should == @contents.slice(0..4)
+ end
+
+ it "reads the contents of a file from an offset of a specific size when specified" do
+ IO.binread(@fname, 5, 3).should == @contents.slice(3, 5)
+ end
+
+ it "returns a String in BINARY encoding" do
+ IO.binread(@fname).encoding.should == Encoding::BINARY
+ end
+
+ it "returns a String in BINARY encoding regardless of Encoding.default_internal" do
+ Encoding.default_internal = Encoding::EUC_JP
+ IO.binread(@fname).encoding.should == Encoding::BINARY
+ end
+
+ it "raises an ArgumentError when not passed a valid length" do
+ -> { IO.binread @fname, -1 }.should raise_error(ArgumentError)
+ end
+
+ it "raises an Errno::EINVAL when not passed a valid offset" do
+ -> { IO.binread @fname, 0, -1 }.should raise_error(Errno::EINVAL)
+ end
+
+ ruby_version_is "3.3"..."4.0" do
+ # https://bugs.ruby-lang.org/issues/19630
+ it "warns about deprecation given a path with a pipe" do
+ cmd = "|echo ok"
+ -> {
+ IO.binread(cmd)
+ }.should complain(/IO process creation with a leading '\|'/)
+ end
+ end
+end
diff --git a/spec/ruby/core/io/binwrite_spec.rb b/spec/ruby/core/io/binwrite_spec.rb
new file mode 100644
index 0000000000..8ebc86a52e
--- /dev/null
+++ b/spec/ruby/core/io/binwrite_spec.rb
@@ -0,0 +1,6 @@
+require_relative '../../spec_helper'
+require_relative 'shared/binwrite'
+
+describe "IO.binwrite" do
+ it_behaves_like :io_binwrite, :binwrite
+end
diff --git a/spec/ruby/core/io/buffer/empty_spec.rb b/spec/ruby/core/io/buffer/empty_spec.rb
new file mode 100644
index 0000000000..e1fd4ab6a2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/empty_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../../../spec_helper'
+require_relative 'shared/null_and_empty'
+
+describe "IO::Buffer#empty?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it_behaves_like :io_buffer_null_and_empty, :empty?
+
+ it "is true for a 0-length String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("")
+ @buffer.empty?.should be_true
+ end
+
+ ruby_version_is "3.3" do
+ it "is true for a 0-length String-backed buffer created with .string" do
+ IO::Buffer.string(0) do |buffer|
+ buffer.empty?.should be_true
+ end
+ end
+ end
+
+ it "is true for a 0-length slice of a buffer with size > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(3, 0).empty?.should be_true
+ end
+end
diff --git a/spec/ruby/core/io/buffer/external_spec.rb b/spec/ruby/core/io/buffer/external_spec.rb
new file mode 100644
index 0000000000..4377a38357
--- /dev/null
+++ b/spec/ruby/core/io/buffer/external_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#external?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.external?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.external?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.external?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.external?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is true for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.external?.should be_true
+ end
+
+ it "is true for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.external?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is true" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.external?.should be_true
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.external?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.external?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.external?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.external?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.external?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.external?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/free_spec.rb b/spec/ruby/core/io/buffer/free_spec.rb
new file mode 100644
index 0000000000..f3a4918978
--- /dev/null
+++ b/spec/ruby/core/io/buffer/free_spec.rb
@@ -0,0 +1,104 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#free" do
+ context "with a buffer created with .new" do
+ it "frees internal memory and nullifies the buffer" do
+ buffer = IO::Buffer.new(4)
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ it "frees mapped memory and nullifies the buffer" do
+ buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "frees mapped memory and nullifies the buffer" do
+ File.open(__FILE__, "r") do |file|
+ buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string = +"test"
+ buffer = IO::Buffer.for(string)
+ # Read-only buffer, can't modify the string.
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a block" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string = +"test"
+ IO::Buffer.for(string) do |buffer|
+ buffer.set_string("meat")
+ buffer.free
+ buffer.null?.should be_true
+ end
+ string.should == "meat"
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string =
+ IO::Buffer.string(4) do |buffer|
+ buffer.set_string("meat")
+ buffer.free
+ buffer.null?.should be_true
+ end
+ string.should == "meat"
+ end
+ end
+ end
+
+ it "can be called repeatedly without an error" do
+ buffer = IO::Buffer.new(4)
+ buffer.free
+ buffer.null?.should be_true
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ buffer = IO::Buffer.new(4)
+ buffer.locked do
+ -> { buffer.free }.should raise_error(IO::Buffer::LockedError, "Buffer is locked!")
+ end
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ context "with a slice of a buffer" do
+ it "nullifies the slice, not touching the buffer" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+
+ slice.free
+ slice.null?.should be_true
+ buffer.null?.should be_false
+
+ buffer.free
+ end
+
+ it "nullifies buffer, invalidating the slice" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+
+ buffer.free
+ slice.null?.should be_false
+ slice.valid?.should be_false
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/initialize_spec.rb b/spec/ruby/core/io/buffer/initialize_spec.rb
new file mode 100644
index 0000000000..c86d1e7f1d
--- /dev/null
+++ b/spec/ruby/core/io/buffer/initialize_spec.rb
@@ -0,0 +1,103 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#initialize" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it "creates a new zero-filled buffer with default size" do
+ @buffer = IO::Buffer.new
+ @buffer.size.should == IO::Buffer::DEFAULT_SIZE
+ @buffer.each(:U8).should.all? { |_offset, value| value.eql?(0) }
+ end
+
+ it "creates a buffer with default state" do
+ @buffer = IO::Buffer.new
+ @buffer.should_not.shared?
+ @buffer.should_not.readonly?
+
+ @buffer.should_not.empty?
+ @buffer.should_not.null?
+
+ # This is run-time state, set by #locked.
+ @buffer.should_not.locked?
+ end
+
+ context "with size argument" do
+ it "creates a new internal buffer if size is less than IO::Buffer::PAGE_SIZE" do
+ size = IO::Buffer::PAGE_SIZE - 1
+ @buffer = IO::Buffer.new(size)
+ @buffer.size.should == size
+ @buffer.should.internal?
+ @buffer.should_not.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "creates a new mapped buffer if size is greater than or equal to IO::Buffer::PAGE_SIZE" do
+ size = IO::Buffer::PAGE_SIZE
+ @buffer = IO::Buffer.new(size)
+ @buffer.size.should == size
+ @buffer.should_not.internal?
+ @buffer.should.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "creates a null buffer if size is 0" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.size.should.zero?
+ @buffer.should_not.internal?
+ @buffer.should_not.mapped?
+ @buffer.should.null?
+ @buffer.should.empty?
+ end
+
+ it "raises TypeError if size is not an Integer" do
+ -> { IO::Buffer.new(nil) }.should raise_error(TypeError, "not an Integer")
+ -> { IO::Buffer.new(10.0) }.should raise_error(TypeError, "not an Integer")
+ end
+
+ it "raises ArgumentError if size is negative" do
+ -> { IO::Buffer.new(-1) }.should raise_error(ArgumentError, "Size can't be negative!")
+ end
+ end
+
+ context "with size and flags arguments" do
+ it "forces mapped buffer with IO::Buffer::MAPPED flag" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE - 1, IO::Buffer::MAPPED)
+ @buffer.should.mapped?
+ @buffer.should_not.internal?
+ @buffer.should_not.empty?
+ end
+
+ it "forces internal buffer with IO::Buffer::INTERNAL flag" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::INTERNAL)
+ @buffer.should.internal?
+ @buffer.should_not.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "raises IO::Buffer::AllocationError if neither IO::Buffer::MAPPED nor IO::Buffer::INTERNAL is given" do
+ -> { IO::Buffer.new(10, IO::Buffer::READONLY) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ -> { IO::Buffer.new(10, 0) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ end
+
+ ruby_version_is "3.3" do
+ it "raises ArgumentError if flags is negative" do
+ -> { IO::Buffer.new(10, -1) }.should raise_error(ArgumentError, "Flags can't be negative!")
+ end
+ end
+
+ ruby_version_is ""..."3.3" do
+ it "raises IO::Buffer::AllocationError with non-Integer flags" do
+ -> { IO::Buffer.new(10, 0.0) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "raises TypeError with non-Integer flags" do
+ -> { IO::Buffer.new(10, 0.0) }.should raise_error(TypeError, "not an Integer")
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/internal_spec.rb b/spec/ruby/core/io/buffer/internal_spec.rb
new file mode 100644
index 0000000000..409699cc3c
--- /dev/null
+++ b/spec/ruby/core/io/buffer/internal_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#internal?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is true for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.internal?.should be_true
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.internal?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.internal?.should be_false
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.internal?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.internal?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.internal?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.internal?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.internal?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.internal?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.internal?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.internal?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.internal?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.internal?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/locked_spec.rb b/spec/ruby/core/io/buffer/locked_spec.rb
new file mode 100644
index 0000000000..4ffa569fd2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/locked_spec.rb
@@ -0,0 +1,75 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#locked" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "when buffer is locked" do
+ it "allows reading and writing operations on the buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.set_string("test")
+ @buffer.locked do
+ @buffer.get_string.should == "test"
+ @buffer.set_string("meat")
+ end
+ @buffer.get_string.should == "meat"
+ end
+
+ it "disallows operations changing buffer itself, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ # Just an example, each method is responsible for checking the lock state.
+ -> { @buffer.resize(8) }.should raise_error(IO::Buffer::LockedError)
+ end
+ end
+ end
+
+ it "disallows reentrant locking, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.locked {} }.should raise_error(IO::Buffer::LockedError, "Buffer already locked!")
+ end
+ end
+
+ it "does not propagate to buffer's slices" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.locked do
+ @buffer.locked?.should be_true
+ slice.locked?.should be_false
+ slice.locked { slice.locked?.should be_true }
+ end
+ end
+
+ it "does not propagate backwards from buffer's slices" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ slice.locked do
+ slice.locked?.should be_true
+ @buffer.locked?.should be_false
+ @buffer.locked { @buffer.locked?.should be_true }
+ end
+ end
+end
+
+describe "IO::Buffer#locked?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it "is false by default" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked?.should be_false
+ end
+
+ it "is true only inside of #locked block" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ @buffer.locked?.should be_true
+ end
+ @buffer.locked?.should be_false
+ end
+end
diff --git a/spec/ruby/core/io/buffer/mapped_spec.rb b/spec/ruby/core/io/buffer/mapped_spec.rb
new file mode 100644
index 0000000000..b3610207ff
--- /dev/null
+++ b/spec/ruby/core/io/buffer/mapped_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#mapped?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.mapped?.should be_false
+ end
+
+ it "is true for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is true for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.mapped?.should be_true
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.mapped?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.mapped?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.mapped?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.mapped?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.mapped?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.mapped?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/null_spec.rb b/spec/ruby/core/io/buffer/null_spec.rb
new file mode 100644
index 0000000000..3fb1144d0e
--- /dev/null
+++ b/spec/ruby/core/io/buffer/null_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../../../spec_helper'
+require_relative 'shared/null_and_empty'
+
+describe "IO::Buffer#null?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it_behaves_like :io_buffer_null_and_empty, :null?
+
+ it "is false for a 0-length String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("")
+ @buffer.null?.should be_false
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a 0-length String-backed buffer created with .string" do
+ IO::Buffer.string(0) do |buffer|
+ buffer.null?.should be_false
+ end
+ end
+ end
+
+ it "is false for a 0-length slice of a buffer with size > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(3, 0).null?.should be_false
+ end
+end
diff --git a/spec/ruby/core/io/buffer/private_spec.rb b/spec/ruby/core/io/buffer/private_spec.rb
new file mode 100644
index 0000000000..7aa308997b
--- /dev/null
+++ b/spec/ruby/core/io/buffer/private_spec.rb
@@ -0,0 +1,111 @@
+require_relative '../../../spec_helper'
+
+ruby_version_is "3.3" do
+ describe "IO::Buffer#private?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.private?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.private?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.private?.should be_false
+ end
+ end
+
+ it "is true for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.private?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.private?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.private?.should be_false
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.private?.should be_false
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.private?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.private?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a regular file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.private?.should be_false
+ end
+ end
+
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.slice.private?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.private?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.private?.should be_false
+ end
+ end
+ end
+
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.private?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/readonly_spec.rb b/spec/ruby/core/io/buffer/readonly_spec.rb
new file mode 100644
index 0000000000..0014a876ed
--- /dev/null
+++ b/spec/ruby/core/io/buffer/readonly_spec.rb
@@ -0,0 +1,143 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#readonly?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.readonly?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.readonly?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a writable mapping" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ @buffer.readonly?.should be_false
+ end
+ end
+
+ it "is true for a readonly mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.readonly?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is true for a buffer created without a block" do
+ @buffer = IO::Buffer.for(+"test")
+ @buffer.readonly?.should be_true
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.readonly?.should be_false
+ end
+ end
+
+ it "is true for a buffer created with a block from a frozen string" do
+ IO::Buffer.for(-"test") do |buffer|
+ buffer.readonly?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ # This seems to be the only flag propagated from the source buffer to the slice.
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.readonly?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a read-write file-backed buffer" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+
+ it "is true when slicing a readonly file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.readonly?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is true when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for(+"test")
+ @buffer.slice.readonly?.should be_true
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.readonly?.should be_false
+ end
+ end
+
+ it "is true when slicing a buffer created with a block from a frozen string" do
+ IO::Buffer.for(-"test") do |buffer|
+ buffer.slice.readonly?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.readonly?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/resize_spec.rb b/spec/ruby/core/io/buffer/resize_spec.rb
new file mode 100644
index 0000000000..0da3a23356
--- /dev/null
+++ b/spec/ruby/core/io/buffer/resize_spec.rb
@@ -0,0 +1,155 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#resize" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "resizes internal buffer, preserving type" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(IO::Buffer::PAGE_SIZE)
+ @buffer.size.should == IO::Buffer::PAGE_SIZE
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+
+ platform_is :linux do
+ it "resizes mapped buffer, preserving type" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::MAPPED)
+ @buffer.resize(4)
+ @buffer.size.should == 4
+ @buffer.internal?.should be_false
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ platform_is_not :linux do
+ it "resizes mapped buffer, changing type to internal" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::MAPPED)
+ @buffer.resize(4)
+ @buffer.size.should == 4
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "disallows resizing shared buffer, raising IO::Buffer::AccessError" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "resizes private buffer, discarding excess contents" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.resize(10)
+ @buffer.size.should == 10
+ @buffer.get_string.should == "require_re"
+ @buffer.resize(12)
+ @buffer.size.should == 12
+ @buffer.get_string.should == "require_re\0\0"
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ @buffer = IO::Buffer.for(+"test")
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+
+ context "with a block" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ IO::Buffer.for(+'test') do |buffer|
+ -> { buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ IO::Buffer.string(4) do |buffer|
+ -> { buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+ end
+ end
+
+ context "with a null buffer" do
+ it "allows resizing a 0-sized buffer, creating a regular buffer according to new size" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.resize(IO::Buffer::PAGE_SIZE)
+ @buffer.size.should == IO::Buffer::PAGE_SIZE
+ @buffer.internal?.should be_false
+ @buffer.mapped?.should be_true
+ end
+
+ it "allows resizing after a free, creating a regular buffer according to new size" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.free
+ @buffer.resize(10)
+ @buffer.size.should == 10
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+ end
+
+ it "allows resizing to 0, freeing memory" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(0)
+ @buffer.null?.should be_true
+ end
+
+ it "can be called repeatedly" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(10)
+ @buffer.resize(27)
+ @buffer.resize(1)
+ @buffer.size.should == 1
+ end
+
+ it "always clears extra memory" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.set_string("test")
+ # This should not cause a re-allocation, just a technical resizing,
+ # even with very aggressive memory allocation.
+ @buffer.resize(2)
+ @buffer.resize(4)
+ @buffer.get_string.should == "te\0\0"
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::LockedError, "Cannot resize locked buffer!")
+ end
+ end
+
+ it "raises ArgumentError if size is negative" do
+ @buffer = IO::Buffer.new(4)
+ -> { @buffer.resize(-1) }.should raise_error(ArgumentError, "Size can't be negative!")
+ end
+
+ it "raises TypeError if size is not an Integer" do
+ @buffer = IO::Buffer.new(4)
+ -> { @buffer.resize(nil) }.should raise_error(TypeError, "not an Integer")
+ -> { @buffer.resize(10.0) }.should raise_error(TypeError, "not an Integer")
+ end
+
+ context "with a slice of a buffer" do
+ # Current behavior of slice resizing seems unintended (it's undocumented, too).
+ # It either creates a completely new buffer, or breaks the slice on size 0.
+ it "needs to be reviewed for spec completeness"
+ end
+end
diff --git a/spec/ruby/core/io/buffer/shared/null_and_empty.rb b/spec/ruby/core/io/buffer/shared/null_and_empty.rb
new file mode 100644
index 0000000000..c8fe9e5e46
--- /dev/null
+++ b/spec/ruby/core/io/buffer/shared/null_and_empty.rb
@@ -0,0 +1,59 @@
+describe :io_buffer_null_and_empty, shared: true do
+ it "is false for a buffer with size > 0" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.send(@method).should be_false
+ end
+
+ it "is false for a slice with length > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(1, 2).send(@method).should be_false
+ end
+
+ it "is false for a file-mapped buffer" do
+ File.open(__FILE__, "rb") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.send(@method).should be_false
+ end
+ end
+
+ it "is false for a non-empty String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.send(@method).should be_false
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a non-empty String-backed buffer created with .string" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.send(@method).should be_false
+ end
+ end
+ end
+
+ it "is true for a 0-sized buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a slice of a 0-sized buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.slice(0, 0).send(@method).should be_true
+ end
+
+ it "is true for a freed buffer" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.free
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a buffer resized to 0" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.resize(0)
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a buffer whose memory was transferred" do
+ buffer = IO::Buffer.new(1)
+ @buffer = buffer.transfer
+ buffer.send(@method).should be_true
+ end
+end
diff --git a/spec/ruby/core/io/buffer/shared_spec.rb b/spec/ruby/core/io/buffer/shared_spec.rb
new file mode 100644
index 0000000000..f2a638cf39
--- /dev/null
+++ b/spec/ruby/core/io/buffer/shared_spec.rb
@@ -0,0 +1,117 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#shared?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.shared?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.shared?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.shared?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.shared?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.shared?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.shared?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a regular file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.shared?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.shared?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.shared?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/transfer_spec.rb b/spec/ruby/core/io/buffer/transfer_spec.rb
new file mode 100644
index 0000000000..cb8c843ff2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/transfer_spec.rb
@@ -0,0 +1,118 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#transfer" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "transfers internal memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.new(4)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+
+ it "transfers mapped memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "transfers mapped memory to a new buffer, nullifying the original" do
+ File.open(__FILE__, "r") do |file|
+ buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "transfers memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.for("test")
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a block" do
+ it "transfers memory to a new buffer, breaking the transaction by nullifying the original" do
+ IO::Buffer.for(+"test") do |buffer|
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ @buffer.null?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "transfers memory to a new buffer, breaking the transaction by nullifying the original" do
+ IO::Buffer.string(4) do |buffer|
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ @buffer.null?.should be_false
+ end
+ end
+ end
+
+ it "allows multiple transfers" do
+ buffer_1 = IO::Buffer.new(4)
+ buffer_2 = buffer_1.transfer
+ @buffer = buffer_2.transfer
+ buffer_1.null?.should be_true
+ buffer_2.null?.should be_true
+ @buffer.null?.should be_false
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.transfer }.should raise_error(IO::Buffer::LockedError, "Cannot transfer ownership of locked buffer!")
+ end
+ end
+
+ context "with a slice of a buffer" do
+ it "transfers source to a new slice, not touching the buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.set_string("test")
+
+ new_slice = slice.transfer
+ slice.null?.should be_true
+ new_slice.null?.should be_false
+ @buffer.null?.should be_false
+
+ new_slice.set_string("ea")
+ @buffer.get_string.should == "east"
+ end
+
+ it "nullifies buffer, invalidating the slice" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+ @buffer = buffer.transfer
+
+ slice.null?.should be_false
+ slice.valid?.should be_false
+ -> { slice.get_string }.should raise_error(IO::Buffer::InvalidatedError, "Buffer has been invalidated!")
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/valid_spec.rb b/spec/ruby/core/io/buffer/valid_spec.rb
new file mode 100644
index 0000000000..680a35ae9a
--- /dev/null
+++ b/spec/ruby/core/io/buffer/valid_spec.rb
@@ -0,0 +1,110 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#valid?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ # Non-slices are always valid
+ context "with a non-slice buffer" do
+ it "is true for a regular buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a 0-size buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a freed buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a freed file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.valid?.should be_true
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+ end
+
+ it "is true for a freed string-backed buffer" do
+ @buffer = IO::Buffer.for("hello")
+ @buffer.valid?.should be_true
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+ end
+
+ # "A buffer becomes invalid if it is a slice of another buffer (or string)
+ # which has been freed or re-allocated at a different address."
+ context "with a slice" do
+ it "is true for a slice of a live buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ end
+
+ context "when buffer is resized" do
+ it "is false when slice becomes outside the buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(2, 2)
+ @buffer.resize(3)
+ slice.valid?.should be_false
+ end
+
+ platform_is_not :linux do
+ # This test does not cause a copy-resize on Linux.
+ # `#resize` MAY cause the buffer to move, but there is no guarantee.
+ it "is false when buffer is copied on resize" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ slice = @buffer.slice(0, 2)
+ @buffer.resize(8)
+ slice.valid?.should be_false
+ end
+ end
+ end
+
+ it "is false for a slice of a transferred buffer" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+ @buffer = buffer.transfer
+ slice.valid?.should be_false
+ end
+
+ it "is false for a slice of a freed buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.free
+ slice.valid?.should be_false
+ end
+
+ it "is false for a slice of a freed file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ @buffer.free
+ slice.valid?.should be_false
+ end
+ end
+
+ it "is true for a slice of a freed string-backed buffer while string is alive" do
+ @buffer = IO::Buffer.for("alive")
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ @buffer.free
+ slice.valid?.should be_true
+ end
+
+ # There probably should be a test with a garbage-collected string,
+ # but it's not clear how to force that.
+
+ it "needs to be reviewed for spec completeness"
+ end
+end
diff --git a/spec/ruby/core/io/close_on_exec_spec.rb b/spec/ruby/core/io/close_on_exec_spec.rb
new file mode 100644
index 0000000000..4e89e08d61
--- /dev/null
+++ b/spec/ruby/core/io/close_on_exec_spec.rb
@@ -0,0 +1,76 @@
+require_relative '../../spec_helper'
+
+describe "IO#close_on_exec=" do
+ before :each do
+ @name = tmp('io_close_on_exec.txt')
+ @io = new_io @name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ guard -> { platform_is_not :windows } do
+ it "sets the close-on-exec flag if true" do
+ @io.close_on_exec = true
+ @io.should.close_on_exec?
+ end
+
+ it "sets the close-on-exec flag if non-false" do
+ @io.close_on_exec = :true
+ @io.should.close_on_exec?
+ end
+
+ it "unsets the close-on-exec flag if false" do
+ @io.close_on_exec = true
+ @io.close_on_exec = false
+ @io.should_not.close_on_exec?
+ end
+
+ it "unsets the close-on-exec flag if nil" do
+ @io.close_on_exec = true
+ @io.close_on_exec = nil
+ @io.should_not.close_on_exec?
+ end
+
+ it "ensures the IO's file descriptor is closed in exec'ed processes" do
+ require 'fcntl'
+ @io.close_on_exec = true
+ (@io.fcntl(Fcntl::F_GETFD) & Fcntl::FD_CLOEXEC).should == Fcntl::FD_CLOEXEC
+ end
+
+ it "raises IOError if called on a closed IO" do
+ @io.close
+ -> { @io.close_on_exec = true }.should raise_error(IOError)
+ end
+ end
+end
+
+describe "IO#close_on_exec?" do
+ before :each do
+ @name = tmp('io_is_close_on_exec.txt')
+ @io = new_io @name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ guard -> { platform_is_not :windows } do
+ it "returns true by default" do
+ @io.should.close_on_exec?
+ end
+
+ it "returns true if set" do
+ @io.close_on_exec = true
+ @io.should.close_on_exec?
+ end
+
+ it "raises IOError if called on a closed IO" do
+ @io.close
+ -> { @io.close_on_exec? }.should raise_error(IOError)
+ end
+ end
+end
diff --git a/spec/ruby/core/io/close_read_spec.rb b/spec/ruby/core/io/close_read_spec.rb
new file mode 100644
index 0000000000..e700e85bd9
--- /dev/null
+++ b/spec/ruby/core/io/close_read_spec.rb
@@ -0,0 +1,61 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#close_read" do
+
+ before :each do
+ cmd = platform_is(:windows) ? 'rem' : 'cat'
+ @io = IO.popen cmd, "r+"
+ @path = tmp('io.close.txt')
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @path
+ end
+
+ it "closes the read end of a duplex I/O stream" do
+ @io.close_read
+
+ -> { @io.read }.should raise_error(IOError)
+ end
+
+ it "does nothing on subsequent invocations" do
+ @io.close_read
+
+ @io.close_read.should be_nil
+ end
+
+ it "allows subsequent invocation of close" do
+ @io.close_read
+
+ -> { @io.close }.should_not raise_error
+ end
+
+ it "raises an IOError if the stream is writable and not duplexed" do
+ io = File.open @path, 'w'
+
+ begin
+ -> { io.close_read }.should raise_error(IOError)
+ ensure
+ io.close unless io.closed?
+ end
+ end
+
+ it "closes the stream if it is neither writable nor duplexed" do
+ io_close_path = @path
+ touch io_close_path
+
+ io = File.open io_close_path
+
+ io.close_read
+
+ io.should.closed?
+ end
+
+ it "does nothing on closed stream" do
+ @io.close
+
+ @io.close_read.should be_nil
+ end
+end
diff --git a/spec/ruby/core/io/close_spec.rb b/spec/ruby/core/io/close_spec.rb
new file mode 100644
index 0000000000..3a44cc8b17
--- /dev/null
+++ b/spec/ruby/core/io/close_spec.rb
@@ -0,0 +1,118 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#close" do
+ before :each do
+ @name = tmp('io_close.txt')
+ @io = new_io @name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "closes the stream" do
+ @io.close
+ @io.should.closed?
+ end
+
+ it "returns nil" do
+ @io.close.should == nil
+ end
+
+ it "raises an IOError reading from a closed IO" do
+ @io.close
+ -> { @io.read }.should raise_error(IOError)
+ end
+
+ it "raises an IOError writing to a closed IO" do
+ @io.close
+ -> { @io.write "data" }.should raise_error(IOError)
+ end
+
+ it 'does not close the stream if autoclose is false' do
+ other_io = IO.new(@io.fileno)
+ other_io.autoclose = false
+ other_io.close
+ -> { @io.write "data" }.should_not raise_error(IOError)
+ end
+
+ it "does nothing if already closed" do
+ @io.close
+
+ @io.close.should be_nil
+ end
+
+ it "does not call the #flush method but flushes the stream internally" do
+ @io.should_not_receive(:flush)
+ @io.close
+ @io.should.closed?
+ end
+
+ it 'raises an IOError with a clear message' do
+ matching_exception = nil
+
+ -> do
+ IOSpecs::THREAD_CLOSE_RETRIES.times do
+ read_io, write_io = IO.pipe
+ going_to_read = false
+
+ thread = Thread.new do
+ begin
+ going_to_read = true
+ read_io.read
+ rescue IOError => ioe
+ if ioe.message == IOSpecs::THREAD_CLOSE_ERROR_MESSAGE
+ matching_exception = ioe
+ end
+ # try again
+ end
+ end
+
+ # best attempt to ensure the thread is actually blocked on read
+ Thread.pass until going_to_read && thread.stop?
+ sleep(0.001)
+
+ read_io.close
+ thread.join
+ write_io.close
+
+ matching_exception&.tap {|ex| raise ex}
+ end
+ end.should raise_error(IOError, IOSpecs::THREAD_CLOSE_ERROR_MESSAGE)
+ end
+end
+
+describe "IO#close on an IO.popen stream" do
+
+ it "clears #pid" do
+ io = IO.popen ruby_cmd('r = loop{puts "y"; 0} rescue 1; exit r'), 'r'
+
+ io.pid.should_not == 0
+
+ io.close
+
+ -> { io.pid }.should raise_error(IOError)
+ end
+
+ it "sets $?" do
+ io = IO.popen ruby_cmd('exit 0'), 'r'
+ io.close
+
+ $?.exitstatus.should == 0
+
+ io = IO.popen ruby_cmd('exit 1'), 'r'
+ io.close
+
+ $?.exitstatus.should == 1
+ end
+
+ it "waits for the child to exit" do
+ io = IO.popen ruby_cmd('r = loop{puts "y"; 0} rescue 1; exit r'), 'r'
+ io.close
+
+ $?.exitstatus.should_not == 0
+ end
+
+end
diff --git a/spec/ruby/core/io/close_write_spec.rb b/spec/ruby/core/io/close_write_spec.rb
new file mode 100644
index 0000000000..70610a3e9d
--- /dev/null
+++ b/spec/ruby/core/io/close_write_spec.rb
@@ -0,0 +1,68 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#close_write" do
+ before :each do
+ cmd = platform_is(:windows) ? 'rem' : 'cat'
+ @io = IO.popen cmd, 'r+'
+ @path = tmp('io.close.txt')
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @path
+ end
+
+ it "closes the write end of a duplex I/O stream" do
+ @io.close_write
+
+ -> { @io.write "attempt to write" }.should raise_error(IOError)
+ end
+
+ it "does nothing on subsequent invocations" do
+ @io.close_write
+
+ @io.close_write.should be_nil
+ end
+
+ it "allows subsequent invocation of close" do
+ @io.close_write
+
+ -> { @io.close }.should_not raise_error
+ end
+
+ it "raises an IOError if the stream is readable and not duplexed" do
+ io = File.open @path, 'w+'
+
+ begin
+ -> { io.close_write }.should raise_error(IOError)
+ ensure
+ io.close unless io.closed?
+ end
+ end
+
+ it "closes the stream if it is neither readable nor duplexed" do
+ io = File.open @path, 'w'
+
+ io.close_write
+
+ io.should.closed?
+ end
+
+ # Windows didn't have command like cat
+ platform_is_not :windows do
+ it "flushes and closes the write stream" do
+ @io.puts '12345'
+
+ @io.close_write
+
+ @io.read.should == "12345\n"
+ end
+ end
+
+ it "does nothing on closed stream" do
+ @io.close
+
+ @io.close_write.should be_nil
+ end
+end
diff --git a/spec/ruby/core/io/closed_spec.rb b/spec/ruby/core/io/closed_spec.rb
new file mode 100644
index 0000000000..7316546a0d
--- /dev/null
+++ b/spec/ruby/core/io/closed_spec.rb
@@ -0,0 +1,20 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#closed?" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close
+ end
+
+ it "returns true on closed stream" do
+ IOSpecs.closed_io.closed?.should be_true
+ end
+
+ it "returns false on open stream" do
+ @io.closed?.should be_false
+ end
+end
diff --git a/spec/ruby/core/io/constants_spec.rb b/spec/ruby/core/io/constants_spec.rb
new file mode 100644
index 0000000000..f9dccd08b9
--- /dev/null
+++ b/spec/ruby/core/io/constants_spec.rb
@@ -0,0 +1,19 @@
+require_relative '../../spec_helper'
+
+describe "IO::SEEK_SET" do
+ it "is defined" do
+ IO.const_defined?(:SEEK_SET).should == true
+ end
+end
+
+describe "IO::SEEK_CUR" do
+ it "is defined" do
+ IO.const_defined?(:SEEK_CUR).should == true
+ end
+end
+
+describe "IO::SEEK_END" do
+ it "is defined" do
+ IO.const_defined?(:SEEK_END).should == true
+ end
+end
diff --git a/spec/ruby/core/io/copy_stream_spec.rb b/spec/ruby/core/io/copy_stream_spec.rb
new file mode 100644
index 0000000000..ffa2ea992c
--- /dev/null
+++ b/spec/ruby/core/io/copy_stream_spec.rb
@@ -0,0 +1,343 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe :io_copy_stream_to_file, shared: true do
+ it "copies the entire IO contents to the file" do
+ IO.copy_stream(@object.from, @to_name)
+ File.read(@to_name).should == @content
+ IO.copy_stream(@from_bigfile, @to_name)
+ File.read(@to_name).should == @content_bigfile
+ end
+
+ it "returns the number of bytes copied" do
+ IO.copy_stream(@object.from, @to_name).should == @size
+ IO.copy_stream(@from_bigfile, @to_name).should == @size_bigfile
+ end
+
+ it "copies only length bytes when specified" do
+ IO.copy_stream(@object.from, @to_name, 8).should == 8
+ File.read(@to_name).should == "Line one"
+ end
+
+ it "calls #to_path to convert on object to a file name" do
+ obj = mock("io_copy_stream_to")
+ obj.should_receive(:to_path).and_return(@to_name)
+
+ IO.copy_stream(@object.from, obj)
+ File.read(@to_name).should == @content
+ end
+
+ it "raises a TypeError if #to_path does not return a String" do
+ obj = mock("io_copy_stream_to")
+ obj.should_receive(:to_path).and_return(1)
+
+ -> { IO.copy_stream(@object.from, obj) }.should raise_error(TypeError)
+ end
+end
+
+describe :io_copy_stream_to_file_with_offset, shared: true do
+ platform_is_not :windows do
+ it "copies only length bytes from the offset" do
+ IO.copy_stream(@object.from, @to_name, 8, 4).should == 8
+ File.read(@to_name).should == " one\n\nLi"
+ end
+ end
+end
+
+describe :io_copy_stream_to_io, shared: true do
+ it "copies the entire IO contents to the IO" do
+ IO.copy_stream(@object.from, @to_io)
+ File.read(@to_name).should == @content
+ IO.copy_stream(@from_bigfile, @to_io)
+ File.read(@to_name).should == (@content + @content_bigfile)
+ end
+
+ it "returns the number of bytes copied" do
+ IO.copy_stream(@object.from, @to_io).should == @size
+ IO.copy_stream(@from_bigfile, @to_io).should == @size_bigfile
+ end
+
+ it "starts writing at the destination IO's current position" do
+ @to_io.write("prelude ")
+ IO.copy_stream(@object.from, @to_io)
+ File.read(@to_name).should == ("prelude " + @content)
+ end
+
+ it "leaves the destination IO position at the last write" do
+ IO.copy_stream(@object.from, @to_io)
+ @to_io.pos.should == @size
+ end
+
+ it "raises an IOError if the destination IO is not open for writing" do
+ to_io = new_io __FILE__, "r"
+ begin
+ -> { IO.copy_stream @object.from, to_io }.should raise_error(IOError)
+ ensure
+ to_io.close
+ end
+ end
+
+ it "does not close the destination IO" do
+ IO.copy_stream(@object.from, @to_io)
+ @to_io.closed?.should be_false
+ end
+
+ it "copies only length bytes when specified" do
+ IO.copy_stream(@object.from, @to_io, 8).should == 8
+ File.read(@to_name).should == "Line one"
+ end
+end
+
+describe :io_copy_stream_to_io_with_offset, shared: true do
+ platform_is_not :windows do
+ it "copies only length bytes from the offset" do
+ IO.copy_stream(@object.from, @to_io, 8, 4).should == 8
+ File.read(@to_name).should == " one\n\nLi"
+ end
+ end
+end
+
+describe "IO.copy_stream" do
+ before :each do
+ @from_name = fixture __FILE__, "copy_stream.txt"
+ @to_name = tmp("io_copy_stream_io_name")
+
+ @content = IO.read(@from_name)
+ @size = @content.size
+
+ @from_bigfile = tmp("io_copy_stream_bigfile")
+ @content_bigfile = "A" * 17_000
+ touch(@from_bigfile){|f| f.print @content_bigfile }
+ @size_bigfile = @content_bigfile.size
+ end
+
+ after :each do
+ rm_r @to_name if @to_name
+ rm_r @from_bigfile
+ end
+
+ describe "from an IO" do
+ before :each do
+ @from_io = new_io @from_name, "rb"
+ IOSpecs::CopyStream.from = @from_io
+ end
+
+ after :each do
+ @from_io.close
+ end
+
+ it "raises an IOError if the source IO is not open for reading" do
+ @from_io.close
+ @from_io = new_io @from_bigfile, "a"
+ -> { IO.copy_stream @from_io, @to_name }.should raise_error(IOError)
+ end
+
+ it "does not close the source IO" do
+ IO.copy_stream(@from_io, @to_name)
+ @from_io.closed?.should be_false
+ end
+
+ platform_is_not :windows do
+ it "does not change the IO offset when an offset is specified" do
+ @from_io.pos = 10
+ IO.copy_stream(@from_io, @to_name, 8, 4)
+ @from_io.pos.should == 10
+ end
+ end
+
+ it "does change the IO offset when an offset is not specified" do
+ @from_io.pos = 10
+ IO.copy_stream(@from_io, @to_name)
+ @from_io.pos.should == 42
+ end
+
+ describe "to a file name" do
+ it_behaves_like :io_copy_stream_to_file, nil, IOSpecs::CopyStream
+ it_behaves_like :io_copy_stream_to_file_with_offset, nil, IOSpecs::CopyStream
+ end
+
+ describe "to an IO" do
+ before :each do
+ @to_io = new_io @to_name, "wb"
+ end
+
+ after :each do
+ @to_io.close
+ end
+
+ it_behaves_like :io_copy_stream_to_io, nil, IOSpecs::CopyStream
+ it_behaves_like :io_copy_stream_to_io_with_offset, nil, IOSpecs::CopyStream
+ end
+
+ describe "to a Tempfile" do
+ before :all do
+ require 'tempfile'
+ end
+
+ before :each do
+ @to_io = Tempfile.new("rubyspec_copy_stream", encoding: Encoding::BINARY, mode: File::RDONLY)
+ @to_name = @to_io.path
+ end
+
+ after :each do
+ @to_io.close!
+ @to_name = nil # do not rm_r it, already done by Tempfile#close!
+ end
+
+ it_behaves_like :io_copy_stream_to_io, nil, IOSpecs::CopyStream
+ it_behaves_like :io_copy_stream_to_io_with_offset, nil, IOSpecs::CopyStream
+ end
+ end
+
+ describe "from a file name" do
+ before :each do
+ IOSpecs::CopyStream.from = @from_name
+ end
+
+ it "calls #to_path to convert on object to a file name" do
+ obj = mock("io_copy_stream_from")
+ obj.should_receive(:to_path).and_return(@from_name)
+
+ IO.copy_stream(obj, @to_name)
+ File.read(@to_name).should == @content
+ end
+
+ it "raises a TypeError if #to_path does not return a String" do
+ obj = mock("io_copy_stream_from")
+ obj.should_receive(:to_path).and_return(1)
+
+ -> { IO.copy_stream(obj, @to_name) }.should raise_error(TypeError)
+ end
+
+ describe "to a file name" do
+ it_behaves_like :io_copy_stream_to_file, nil, IOSpecs::CopyStream
+ it_behaves_like :io_copy_stream_to_file_with_offset, nil, IOSpecs::CopyStream
+ end
+
+ describe "to an IO" do
+ before :each do
+ @to_io = new_io @to_name, "wb"
+ end
+
+ after :each do
+ @to_io.close
+ end
+
+ it_behaves_like :io_copy_stream_to_io, nil, IOSpecs::CopyStream
+ it_behaves_like :io_copy_stream_to_io_with_offset, nil, IOSpecs::CopyStream
+ end
+ end
+
+ describe "from a pipe IO" do
+ before :each do
+ @from_io = IOSpecs.pipe_fixture(@content)
+ IOSpecs::CopyStream.from = @from_io
+ end
+
+ after :each do
+ @from_io.close
+ end
+
+ it "does not close the source IO" do
+ IO.copy_stream(@from_io, @to_name)
+ @from_io.closed?.should be_false
+ end
+
+ platform_is_not :windows do
+ it "raises an error when an offset is specified" do
+ -> { IO.copy_stream(@from_io, @to_name, 8, 4) }.should raise_error(Errno::ESPIPE)
+ end
+ end
+
+ describe "to a file name" do
+ it_behaves_like :io_copy_stream_to_file, nil, IOSpecs::CopyStream
+ end
+
+ describe "to an IO" do
+ before :each do
+ @to_io = new_io @to_name, "wb"
+ end
+
+ after :each do
+ @to_io.close
+ end
+
+ it_behaves_like :io_copy_stream_to_io, nil, IOSpecs::CopyStream
+ end
+ end
+
+ describe "with non-IO Objects" do
+ before do
+ @io = new_io @from_name, "rb"
+ end
+
+ after do
+ @io.close unless @io.closed?
+ end
+
+ it "calls #readpartial on the source Object if defined" do
+ from = IOSpecs::CopyStreamReadPartial.new @io
+
+ IO.copy_stream(from, @to_name)
+ File.read(@to_name).should == @content
+ end
+
+ it "calls #read on the source Object" do
+ from = IOSpecs::CopyStreamRead.new @io
+
+ IO.copy_stream(from, @to_name)
+ File.read(@to_name).should == @content
+ end
+
+ it "calls #write on the destination Object" do
+ to = mock("io_copy_stream_to_object")
+ to.should_receive(:write).with(@content).and_return(@content.size)
+
+ IO.copy_stream(@from_name, to)
+ end
+
+ it "does not call #pos on the source if no offset is given" do
+ @io.should_not_receive(:pos)
+ IO.copy_stream(@io, @to_name)
+ end
+ end
+
+ describe "with a destination that does partial reads" do
+ before do
+ @from_out, @from_in = IO.pipe
+ @to_out, @to_in = IO.pipe
+ end
+
+ after do
+ [@from_out, @from_in, @to_out, @to_in].each {|io| io.close rescue nil}
+ end
+
+ it "calls #write repeatedly on the destination Object" do
+ @from_in.write "1234"
+ @from_in.close
+
+ th = Thread.new do
+ IO.copy_stream(@from_out, @to_in)
+ end
+
+ copied = ""
+ 4.times do
+ copied += @to_out.read(1)
+ end
+
+ th.join
+
+ copied.should == "1234"
+ end
+
+ end
+end
+
+describe "IO.copy_stream" do
+ it "does not use buffering when writing to STDOUT" do
+ IO.popen([*ruby_exe, fixture(__FILE__ , "copy_in_out.rb")], "r+") do |io|
+ io.write("bar")
+ io.read(3).should == "bar"
+ end
+ end
+end
diff --git a/spec/ruby/core/io/dup_spec.rb b/spec/ruby/core/io/dup_spec.rb
new file mode 100644
index 0000000000..564e007438
--- /dev/null
+++ b/spec/ruby/core/io/dup_spec.rb
@@ -0,0 +1,106 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#dup" do
+ before :each do
+ @file = tmp("spec_io_dup")
+ @f = File.open @file, 'w+'
+ @i = @f.dup
+
+ @f.sync = true
+ @i.sync = true
+ end
+
+ after :each do
+ @i.close if @i && !@i.closed?
+ @f.close if @f && !@f.closed?
+ rm_r @file
+ end
+
+ it "returns a new IO instance" do
+ @i.class.should == @f.class
+ end
+
+ it "sets a new descriptor on the returned object" do
+ @i.fileno.should_not == @f.fileno
+ end
+
+ quarantine! do # This does not appear to be consistent across platforms
+ it "shares the original stream between the two IOs" do
+ start = @f.pos
+ @i.pos.should == start
+
+ s = "Hello, wo.. wait, where am I?\n"
+ s2 = "<evil voice> Muhahahaa!"
+
+ @f.write s
+ @i.pos.should == @f.pos
+
+ @i.rewind
+ @i.gets.should == s
+
+ @i.rewind
+ @i.write s2
+
+ @f.rewind
+ @f.gets.should == "#{s2}\n"
+ end
+ end
+
+ it "allows closing the new IO without affecting the original" do
+ @i.close
+ -> { @f.gets }.should_not raise_error(Exception)
+
+ @i.should.closed?
+ @f.should_not.closed?
+ end
+
+ it "allows closing the original IO without affecting the new one" do
+ @f.close
+ -> { @i.gets }.should_not raise_error(Exception)
+
+ @i.should_not.closed?
+ @f.should.closed?
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.dup }.should raise_error(IOError)
+ end
+
+ it "always sets the close-on-exec flag for the new IO object" do
+ @f.close_on_exec = true
+ dup = @f.dup
+ begin
+ dup.should.close_on_exec?
+ ensure
+ dup.close
+ end
+
+ @f.close_on_exec = false
+ dup = @f.dup
+ begin
+ dup.should.close_on_exec?
+ ensure
+ dup.close
+ end
+ end
+
+ it "always sets the autoclose flag for the new IO object" do
+ @f.autoclose = true
+ dup = @f.dup
+ begin
+ dup.should.autoclose?
+ ensure
+ dup.close
+ end
+
+ @f.autoclose = false
+ dup = @f.dup
+ begin
+ dup.should.autoclose?
+ ensure
+ dup.close
+ @f.autoclose = true
+ end
+ end
+end
diff --git a/spec/ruby/core/io/each_byte_spec.rb b/spec/ruby/core/io/each_byte_spec.rb
new file mode 100644
index 0000000000..ea618e8c0c
--- /dev/null
+++ b/spec/ruby/core/io/each_byte_spec.rb
@@ -0,0 +1,57 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#each_byte" do
+ before :each do
+ ScratchPad.record []
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.each_byte {} }.should raise_error(IOError)
+ end
+
+ it "yields each byte" do
+ count = 0
+ @io.each_byte do |byte|
+ ScratchPad << byte
+ break if 4 < count += 1
+ end
+
+ ScratchPad.recorded.should == [86, 111, 105, 99, 105]
+ end
+
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ enum = @io.each_byte
+ enum.should be_an_instance_of(Enumerator)
+ enum.first(5).should == [86, 111, 105, 99, 105]
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ @io.each_byte.size.should == nil
+ end
+ end
+ end
+ end
+end
+
+describe "IO#each_byte" do
+ before :each do
+ @io = IOSpecs.io_fixture "empty.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "returns self on an empty stream" do
+ @io.each_byte { |b| }.should equal(@io)
+ end
+end
diff --git a/spec/ruby/core/io/each_char_spec.rb b/spec/ruby/core/io/each_char_spec.rb
new file mode 100644
index 0000000000..5d460a1e7c
--- /dev/null
+++ b/spec/ruby/core/io/each_char_spec.rb
@@ -0,0 +1,12 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/chars'
+
+describe "IO#each_char" do
+ it_behaves_like :io_chars, :each_char
+end
+
+describe "IO#each_char" do
+ it_behaves_like :io_chars_empty, :each_char
+end
diff --git a/spec/ruby/core/io/each_codepoint_spec.rb b/spec/ruby/core/io/each_codepoint_spec.rb
new file mode 100644
index 0000000000..07a4037c8a
--- /dev/null
+++ b/spec/ruby/core/io/each_codepoint_spec.rb
@@ -0,0 +1,43 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/codepoints'
+
+# See redmine #1667
+describe "IO#each_codepoint" do
+ it_behaves_like :io_codepoints, :each_codepoint
+end
+
+describe "IO#each_codepoint" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "calls the given block" do
+ r = []
+ @io.each_codepoint { |c| r << c }
+ r[24].should == 232
+ r.last.should == 10
+ end
+
+ it "returns self" do
+ @io.each_codepoint { |l| l }.should equal(@io)
+ end
+end
+
+describe "IO#each_codepoint" do
+ before :each do
+ @io = IOSpecs.io_fixture("incomplete.txt")
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "raises an exception at incomplete character before EOF when conversion takes place" do
+ -> { @io.each_codepoint {} }.should raise_error(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/io/each_line_spec.rb b/spec/ruby/core/io/each_line_spec.rb
new file mode 100644
index 0000000000..58d26b325d
--- /dev/null
+++ b/spec/ruby/core/io/each_line_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/each'
+
+describe "IO#each_line" do
+ it_behaves_like :io_each, :each_line
+end
+
+describe "IO#each_line" do
+ it_behaves_like :io_each_default_separator, :each_line
+end
diff --git a/spec/ruby/core/io/each_spec.rb b/spec/ruby/core/io/each_spec.rb
new file mode 100644
index 0000000000..91ecbd19c8
--- /dev/null
+++ b/spec/ruby/core/io/each_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/each'
+
+describe "IO#each" do
+ it_behaves_like :io_each, :each
+end
+
+describe "IO#each" do
+ it_behaves_like :io_each_default_separator, :each
+end
diff --git a/spec/ruby/core/io/eof_spec.rb b/spec/ruby/core/io/eof_spec.rb
new file mode 100644
index 0000000000..b4850df437
--- /dev/null
+++ b/spec/ruby/core/io/eof_spec.rb
@@ -0,0 +1,107 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#eof?" do
+ before :each do
+ @name = tmp("empty.txt")
+ touch @name
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "returns true on an empty stream that has just been opened" do
+ File.open(@name) { |empty| empty.should.eof? }
+ end
+
+ it "raises IOError on stream not opened for reading" do
+ -> do
+ File.open(@name, "w") { |f| f.eof? }
+ end.should raise_error(IOError)
+ end
+end
+
+describe "IO#eof?" do
+ before :each do
+ @name = fixture __FILE__, "lines.txt"
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io && !@io.closed?
+ end
+
+ it "returns false when not at end of file" do
+ @io.read 1
+ @io.should_not.eof?
+ end
+
+ it "returns true after reading with read with no parameters" do
+ @io.read()
+ @io.should.eof?
+ end
+
+ it "returns true after reading with read" do
+ @io.read(File.size(@name))
+ @io.should.eof?
+ end
+
+ it "returns true after reading with sysread" do
+ @io.sysread(File.size(@name))
+ @io.should.eof?
+ end
+
+ it "returns true after reading with readlines" do
+ @io.readlines
+ @io.should.eof?
+ end
+
+ it "returns false on just opened non-empty stream" do
+ @io.should_not.eof?
+ end
+
+ it "does not consume the data from the stream" do
+ @io.should_not.eof?
+ @io.getc.should == 'V'
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.eof? }.should raise_error(IOError)
+ end
+
+ it "raises IOError on stream closed for reading by close_read" do
+ @io.close_read
+ -> { @io.eof? }.should raise_error(IOError)
+ end
+
+ it "returns true on one-byte stream after single-byte read" do
+ File.open(__dir__ + '/fixtures/one_byte.txt') { |one_byte|
+ one_byte.read(1)
+ one_byte.should.eof?
+ }
+ end
+end
+
+describe "IO#eof?" do
+ after :each do
+ @r.close if @r && !@r.closed?
+ @w.close if @w && !@w.closed?
+ end
+
+ it "returns true on receiving side of Pipe when writing side is closed" do
+ @r, @w = IO.pipe
+ @w.close
+ @r.should.eof?
+ end
+
+ it "returns false on receiving side of Pipe when writing side wrote some data" do
+ @r, @w = IO.pipe
+ @w.puts "hello"
+ @r.should_not.eof?
+ @w.close
+ @r.should_not.eof?
+ @r.read
+ @r.should.eof?
+ end
+end
diff --git a/spec/ruby/core/io/external_encoding_spec.rb b/spec/ruby/core/io/external_encoding_spec.rb
new file mode 100644
index 0000000000..7765c6c0f5
--- /dev/null
+++ b/spec/ruby/core/io/external_encoding_spec.rb
@@ -0,0 +1,223 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe :io_external_encoding_write, shared: true do
+ describe "when Encoding.default_internal is nil" do
+ before :each do
+ Encoding.default_internal = nil
+ end
+
+ it "returns nil" do
+ @io = new_io @name, @object
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should be_nil
+ end
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "#{@object}:ibm866"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "#{@object}:ibm866"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+
+ describe "when Encoding.default_external != Encoding.default_internal" do
+ before :each do
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+ it "returns the value of Encoding.default_external when the instance was created" do
+ @io = new_io @name, @object
+ Encoding.default_external = Encoding::UTF_8
+ @io.external_encoding.should equal(Encoding::IBM437)
+ end
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "#{@object}:ibm866"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "#{@object}:ibm866"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+
+ describe "when Encoding.default_external == Encoding.default_internal" do
+ before :each do
+ Encoding.default_external = Encoding::IBM866
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+ it "returns the value of Encoding.default_external when the instance was created" do
+ @io = new_io @name, @object
+ Encoding.default_external = Encoding::UTF_8
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "#{@object}:ibm866"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "#{@object}:ibm866"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+end
+
+describe "IO#external_encoding" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+
+ @name = tmp("io_external_encoding")
+ touch(@name)
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "can be retrieved from a closed stream" do
+ io = IOSpecs.io_fixture("lines.txt", "r")
+ io.close
+ io.external_encoding.should equal(Encoding.default_external)
+ end
+
+ describe "with 'r' mode" do
+ describe "when Encoding.default_internal is nil" do
+ before :each do
+ Encoding.default_internal = nil
+ Encoding.default_external = Encoding::IBM866
+ end
+
+ it "returns Encoding.default_external if the external encoding is not set" do
+ @io = new_io @name, "r"
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns Encoding.default_external when that encoding is changed after the instance is created" do
+ @io = new_io @name, "r"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::IBM437)
+ end
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "r:utf-8"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::UTF_8)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "r:utf-8"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+
+ describe "when Encoding.default_external == Encoding.default_internal" do
+ before :each do
+ Encoding.default_external = Encoding::IBM866
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+ it "returns the value of Encoding.default_external when the instance was created" do
+ @io = new_io @name, "r"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "r:utf-8"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::UTF_8)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "r:utf-8"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+
+ describe "when Encoding.default_external != Encoding.default_internal" do
+ before :each do
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+
+ it "returns the external encoding specified when the instance was created" do
+ @io = new_io @name, "r:utf-8"
+ Encoding.default_external = Encoding::IBM437
+ @io.external_encoding.should equal(Encoding::UTF_8)
+ end
+
+ it "returns the encoding set by #set_encoding" do
+ @io = new_io @name, "r:utf-8"
+ @io.set_encoding Encoding::EUC_JP, nil
+ @io.external_encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+ end
+
+ describe "with 'rb' mode" do
+ it "returns Encoding::BINARY" do
+ @io = new_io @name, "rb"
+ @io.external_encoding.should equal(Encoding::BINARY)
+ end
+
+ it "returns the external encoding specified by the mode argument" do
+ @io = new_io @name, "rb:ibm437"
+ @io.external_encoding.should equal(Encoding::IBM437)
+ end
+ end
+
+ describe "with 'r+' mode" do
+ it_behaves_like :io_external_encoding_write, nil, "r+"
+ end
+
+ describe "with 'w' mode" do
+ it_behaves_like :io_external_encoding_write, nil, "w"
+ end
+
+ describe "with 'wb' mode" do
+ it "returns Encoding::BINARY" do
+ @io = new_io @name, "wb"
+ @io.external_encoding.should equal(Encoding::BINARY)
+ end
+
+ it "returns the external encoding specified by the mode argument" do
+ @io = new_io @name, "wb:ibm437"
+ @io.external_encoding.should equal(Encoding::IBM437)
+ end
+ end
+
+ describe "with 'w+' mode" do
+ it_behaves_like :io_external_encoding_write, nil, "w+"
+ end
+
+ describe "with 'a' mode" do
+ it_behaves_like :io_external_encoding_write, nil, "a"
+ end
+
+ describe "with 'a+' mode" do
+ it_behaves_like :io_external_encoding_write, nil, "a+"
+ end
+end
diff --git a/spec/ruby/core/io/fcntl_spec.rb b/spec/ruby/core/io/fcntl_spec.rb
new file mode 100644
index 0000000000..30b4876fe3
--- /dev/null
+++ b/spec/ruby/core/io/fcntl_spec.rb
@@ -0,0 +1,8 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#fcntl" do
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.fcntl(5, 5) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/fdatasync_spec.rb b/spec/ruby/core/io/fdatasync_spec.rb
new file mode 100644
index 0000000000..6242258ea0
--- /dev/null
+++ b/spec/ruby/core/io/fdatasync_spec.rb
@@ -0,0 +1,5 @@
+require_relative '../../spec_helper'
+
+describe "IO#fdatasync" do
+ it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/core/io/fileno_spec.rb b/spec/ruby/core/io/fileno_spec.rb
new file mode 100644
index 0000000000..647609bf42
--- /dev/null
+++ b/spec/ruby/core/io/fileno_spec.rb
@@ -0,0 +1,12 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#fileno" do
+ it "returns the numeric file descriptor of the given IO object" do
+ $stdout.fileno.should == 1
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.fileno }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/fixtures/bom_UTF-16BE.txt b/spec/ruby/core/io/fixtures/bom_UTF-16BE.txt
new file mode 100644
index 0000000000..c7c42e9de4
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/bom_UTF-16BE.txt
Binary files differ
diff --git a/spec/ruby/core/io/fixtures/bom_UTF-16LE.txt b/spec/ruby/core/io/fixtures/bom_UTF-16LE.txt
new file mode 100644
index 0000000000..53642b6984
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/bom_UTF-16LE.txt
Binary files differ
diff --git a/spec/ruby/core/io/fixtures/bom_UTF-32BE.txt b/spec/ruby/core/io/fixtures/bom_UTF-32BE.txt
new file mode 100644
index 0000000000..c5efe6c278
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/bom_UTF-32BE.txt
Binary files differ
diff --git a/spec/ruby/core/io/fixtures/bom_UTF-32LE.txt b/spec/ruby/core/io/fixtures/bom_UTF-32LE.txt
new file mode 100644
index 0000000000..1168384393
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/bom_UTF-32LE.txt
Binary files differ
diff --git a/spec/ruby/core/io/fixtures/bom_UTF-8.txt b/spec/ruby/core/io/fixtures/bom_UTF-8.txt
new file mode 100644
index 0000000000..ca971bef61
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/bom_UTF-8.txt
@@ -0,0 +1 @@
+UTF-8
diff --git a/spec/ruby/core/io/fixtures/classes.rb b/spec/ruby/core/io/fixtures/classes.rb
new file mode 100644
index 0000000000..204a2a101b
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/classes.rb
@@ -0,0 +1,218 @@
+# -*- encoding: utf-8 -*-
+
+module IOSpecs
+ THREAD_CLOSE_RETRIES = 10
+ THREAD_CLOSE_ERROR_MESSAGE = 'stream closed in another thread'
+
+ class SubIO < IO
+ end
+
+ class SubIOWithRedefinedNew < IO
+ def self.new(...)
+ ScratchPad << :redefined_new_called
+ super
+ end
+
+ def initialize(...)
+ ScratchPad << :call_original_initialize
+ super
+ end
+ end
+
+ def self.collector
+ Proc.new { |x| ScratchPad << x }
+ end
+
+ def self.lines
+ [ "Voici la ligne une.\n",
+ "Qui \303\250 la linea due.\n",
+ "\n",
+ "\n",
+ "Aqu\303\255 est\303\241 la l\303\255nea tres.\n",
+ "Hier ist Zeile vier.\n",
+ "\n",
+ "Est\303\241 aqui a linha cinco.\n",
+ "Here is line six.\n" ]
+ end
+
+ def self.lines_without_newline_characters
+ [ "Voici la ligne une.",
+ "Qui \303\250 la linea due.",
+ "",
+ "",
+ "Aqu\303\255 est\303\241 la l\303\255nea tres.",
+ "Hier ist Zeile vier.",
+ "",
+ "Est\303\241 aqui a linha cinco.",
+ "Here is line six." ]
+ end
+
+ def self.lines_limit
+ [ "Voici la l",
+ "igne une.\n",
+ "Qui è la ",
+ "linea due.",
+ "\n",
+ "\n",
+ "\n",
+ "Aquí está",
+ " la línea",
+ " tres.\n",
+ "Hier ist Z",
+ "eile vier.",
+ "\n",
+ "\n",
+ "Está aqui",
+ " a linha c",
+ "inco.\n",
+ "Here is li",
+ "ne six.\n" ]
+ end
+
+ def self.lines_space_separator_limit
+ [ "Voici ",
+ "la ",
+ "ligne ",
+ "une.\nQui ",
+ "è ",
+ "la ",
+ "linea ",
+ "due.\n\n\nAqu",
+ "í ",
+ "está ",
+ "la ",
+ "línea ",
+ "tres.\nHier",
+ " ",
+ "ist ",
+ "Zeile ",
+ "vier.\n\nEst",
+ "á ",
+ "aqui ",
+ "a ",
+ "linha ",
+ "cinco.\nHer",
+ "e ",
+ "is ",
+ "line ",
+ "six.\n" ]
+ end
+
+ def self.lines_r_separator
+ [ "Voici la ligne une.\nQui \303\250 la linea due.\n\n\nAqu\303\255 est\303\241 la l\303\255nea tr",
+ "es.\nHier",
+ " ist Zeile vier",
+ ".\n\nEst\303\241 aqui a linha cinco.\nHer",
+ "e is line six.\n" ]
+ end
+
+ def self.lines_empty_separator
+ [ "Voici la ligne une.\nQui \303\250 la linea due.\n\n",
+ "Aqu\303\255 est\303\241 la l\303\255nea tres.\nHier ist Zeile vier.\n\n",
+ "Est\303\241 aqui a linha cinco.\nHere is line six.\n" ]
+ end
+
+ def self.lines_space_separator
+ [ "Voici ", "la ", "ligne ", "une.\nQui ",
+ "\303\250 ", "la ", "linea ", "due.\n\n\nAqu\303\255 ",
+ "est\303\241 ", "la ", "l\303\255nea ", "tres.\nHier ",
+ "ist ", "Zeile ", "vier.\n\nEst\303\241 ", "aqui ", "a ",
+ "linha ", "cinco.\nHere ", "is ", "line ", "six.\n" ]
+ end
+
+ def self.lines_space_separator_without_trailing_spaces
+ [ "Voici", "la", "ligne", "une.\nQui",
+ "\303\250", "la", "linea", "due.\n\n\nAqu\303\255",
+ "est\303\241", "la", "l\303\255nea", "tres.\nHier",
+ "ist", "Zeile", "vier.\n\nEst\303\241", "aqui", "a",
+ "linha", "cinco.\nHere", "is", "line", "six.\n" ]
+ end
+
+ def self.lines_arbitrary_separator
+ [ "Voici la ligne une.\nQui \303\250",
+ " la linea due.\n\n\nAqu\303\255 est\303\241 la l\303\255nea tres.\nHier ist Zeile vier.\n\nEst\303\241 aqui a linha cinco.\nHere is line six.\n" ]
+ end
+
+ def self.paragraphs
+ [ "Voici la ligne une.\nQui \303\250 la linea due.\n\n",
+ "Aqu\303\255 est\303\241 la l\303\255nea tres.\nHier ist Zeile vier.\n\n",
+ "Est\303\241 aqui a linha cinco.\nHere is line six.\n" ]
+ end
+
+ def self.paragraphs_without_trailing_new_line_characters
+ [ "Voici la ligne une.\nQui \303\250 la linea due.",
+ "Aqu\303\255 est\303\241 la l\303\255nea tres.\nHier ist Zeile vier.",
+ "Est\303\241 aqui a linha cinco.\nHere is line six.\n" ]
+ end
+
+ # Creates an IO instance for an existing fixture file. The
+ # file should obviously not be deleted.
+ def self.io_fixture(name, mode = "r:utf-8")
+ path = fixture __FILE__, name
+ name = path if File.exist? path
+ new_io(name, mode)
+ end
+
+ # Returns a closed instance of IO that was opened to reference
+ # a fixture file (i.e. the IO instance was perfectly valid at
+ # one point but is now closed).
+ def self.closed_io
+ io = io_fixture "lines.txt"
+ io.close
+ io
+ end
+
+ # Creates a pipe-based IO fixture containing the specified
+ # contents
+ def self.pipe_fixture(content)
+ source, sink = IO.pipe
+ sink.write content
+ sink.close
+ source
+ end
+
+ # Defines +method+ on +obj+ using the provided +block+. This
+ # special helper is needed for e.g. IO.open specs to avoid
+ # mock methods preventing IO#close from running.
+ def self.io_mock(obj, method, &block)
+ obj.singleton_class.send(:define_method, method, &block)
+ end
+
+ module CopyStream
+ def self.from=(from)
+ @from = from
+ end
+
+ def self.from
+ @from
+ end
+ end
+
+ class CopyStreamRead
+ def initialize(io)
+ @io = io
+ end
+
+ def read(size, buf)
+ @io.read size, buf
+ end
+
+ def send(*args)
+ raise "send called"
+ end
+ end
+
+ class CopyStreamReadPartial
+ def initialize(io)
+ @io = io
+ end
+
+ def readpartial(size, buf)
+ @io.readpartial size, buf
+ end
+
+ def send(*args)
+ raise "send called"
+ end
+ end
+end
diff --git a/spec/ruby/core/io/fixtures/copy_in_out.rb b/spec/ruby/core/io/fixtures/copy_in_out.rb
new file mode 100644
index 0000000000..b9d4085a47
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/copy_in_out.rb
@@ -0,0 +1,2 @@
+STDOUT.sync = false
+IO.copy_stream(STDIN, STDOUT)
diff --git a/spec/ruby/core/io/fixtures/copy_stream.txt b/spec/ruby/core/io/fixtures/copy_stream.txt
new file mode 100644
index 0000000000..a2d827b351
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/copy_stream.txt
@@ -0,0 +1,6 @@
+Line one
+
+Line three
+Line four
+
+Line last
diff --git a/spec/ruby/core/io/fixtures/empty.txt b/spec/ruby/core/io/fixtures/empty.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/empty.txt
diff --git a/spec/ruby/core/io/fixtures/incomplete.txt b/spec/ruby/core/io/fixtures/incomplete.txt
new file mode 100644
index 0000000000..23d432f642
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/incomplete.txt
@@ -0,0 +1 @@
+ \ No newline at end of file
diff --git a/spec/ruby/core/io/fixtures/lines.txt b/spec/ruby/core/io/fixtures/lines.txt
new file mode 100644
index 0000000000..0959997e7b
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/lines.txt
@@ -0,0 +1,9 @@
+Voici la ligne une.
+Qui è la linea due.
+
+
+Aquí está la línea tres.
+Hier ist Zeile vier.
+
+Está aqui a linha cinco.
+Here is line six.
diff --git a/spec/ruby/core/io/fixtures/no_bom_UTF-8.txt b/spec/ruby/core/io/fixtures/no_bom_UTF-8.txt
new file mode 100644
index 0000000000..7edc66b06a
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/no_bom_UTF-8.txt
@@ -0,0 +1 @@
+UTF-8
diff --git a/spec/ruby/core/io/fixtures/numbered_lines.txt b/spec/ruby/core/io/fixtures/numbered_lines.txt
new file mode 100644
index 0000000000..70e49a3d98
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/numbered_lines.txt
@@ -0,0 +1,5 @@
+Line 1: One
+Line 2: Two
+Line 3: Three
+Line 4: Four
+Line 5: Five
diff --git a/spec/ruby/core/io/fixtures/one_byte.txt b/spec/ruby/core/io/fixtures/one_byte.txt
new file mode 100644
index 0000000000..56a6051ca2
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/one_byte.txt
@@ -0,0 +1 @@
+1 \ No newline at end of file
diff --git a/spec/ruby/core/io/fixtures/read_binary.txt b/spec/ruby/core/io/fixtures/read_binary.txt
new file mode 100644
index 0000000000..fa036dca4b
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/read_binary.txt
@@ -0,0 +1 @@
+abcdef
diff --git a/spec/ruby/core/io/fixtures/read_euc_jp.txt b/spec/ruby/core/io/fixtures/read_euc_jp.txt
new file mode 100644
index 0000000000..0e17cd717a
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/read_euc_jp.txt
@@ -0,0 +1 @@
+꤬Ȥ
diff --git a/spec/ruby/core/io/fixtures/read_text.txt b/spec/ruby/core/io/fixtures/read_text.txt
new file mode 100644
index 0000000000..5a7a80f6e4
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/read_text.txt
@@ -0,0 +1 @@
+abcâdef
diff --git a/spec/ruby/core/io/fixtures/reopen_stdout.rb b/spec/ruby/core/io/fixtures/reopen_stdout.rb
new file mode 100644
index 0000000000..506ba072bd
--- /dev/null
+++ b/spec/ruby/core/io/fixtures/reopen_stdout.rb
@@ -0,0 +1,3 @@
+STDOUT.reopen ARGV[0]
+system "echo from system"
+exec "echo from exec"
diff --git a/spec/ruby/core/io/flush_spec.rb b/spec/ruby/core/io/flush_spec.rb
new file mode 100644
index 0000000000..f7d5ba77fc
--- /dev/null
+++ b/spec/ruby/core/io/flush_spec.rb
@@ -0,0 +1,37 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#flush" do
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.flush }.should raise_error(IOError)
+ end
+
+ describe "on a pipe" do
+ before :each do
+ @r, @w = IO.pipe
+ end
+
+ after :each do
+ @r.close
+ begin
+ @w.close
+ rescue Errno::EPIPE
+ end
+ end
+
+ # [ruby-core:90895] RJIT worker may leave fd open in a forked child.
+ # For instance, RJIT creates a worker before @r.close with fork(), @r.close happens,
+ # and the RJIT worker keeps the pipe open until the worker execve().
+ # TODO: consider acquiring GVL from RJIT worker.
+ guard_not -> { defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled? } do
+ it "raises Errno::EPIPE if sync=false and the read end is closed" do
+ @w.sync = false
+ @w.write "foo"
+ @r.close
+
+ -> { @w.flush }.should raise_error(Errno::EPIPE, /Broken pipe/)
+ -> { @w.close }.should raise_error(Errno::EPIPE, /Broken pipe/)
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/for_fd_spec.rb b/spec/ruby/core/io/for_fd_spec.rb
new file mode 100644
index 0000000000..2d86361b73
--- /dev/null
+++ b/spec/ruby/core/io/for_fd_spec.rb
@@ -0,0 +1,10 @@
+require_relative '../../spec_helper'
+require_relative 'shared/new'
+
+describe "IO.for_fd" do
+ it_behaves_like :io_new, :for_fd
+end
+
+describe "IO.for_fd" do
+ it_behaves_like :io_new_errors, :for_fd
+end
diff --git a/spec/ruby/core/io/foreach_spec.rb b/spec/ruby/core/io/foreach_spec.rb
new file mode 100644
index 0000000000..6abe8901ba
--- /dev/null
+++ b/spec/ruby/core/io/foreach_spec.rb
@@ -0,0 +1,98 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/readlines'
+
+describe "IO.foreach" do
+ before :each do
+ @name = fixture __FILE__, "lines.txt"
+ @count = 0
+ ScratchPad.record []
+ end
+
+ it "updates $. with each yield" do
+ IO.foreach(@name) { $..should == @count += 1 }
+ end
+
+ ruby_version_is ""..."4.0" do
+ describe "when the filename starts with |" do
+ it "gets data from the standard out of the subprocess" do
+ cmd = "|sh -c 'echo hello;echo line2'"
+ platform_is :windows do
+ cmd = "|cmd.exe /C echo hello&echo line2"
+ end
+
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.foreach(cmd) { |l| ScratchPad << l }
+ end
+ ScratchPad.recorded.should == ["hello\n", "line2\n"]
+ end
+
+ platform_is_not :windows do
+ it "gets data from a fork when passed -" do
+ parent_pid = $$
+
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.foreach("|-") { |l| ScratchPad << l }
+ end
+
+ if $$ == parent_pid
+ ScratchPad.recorded.should == ["hello\n", "from a fork\n"]
+ else # child
+ puts "hello"
+ puts "from a fork"
+ exit!
+ end
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ # https://bugs.ruby-lang.org/issues/19630
+ it "warns about deprecation given a path with a pipe" do
+ cmd = "|echo ok"
+ -> {
+ IO.foreach(cmd).to_a
+ }.should complain(/IO process creation with a leading '\|'/)
+ end
+ end
+ end
+end
+
+describe "IO.foreach" do
+ before :each do
+ @external = Encoding.default_external
+ Encoding.default_external = Encoding::UTF_8
+
+ @name = fixture __FILE__, "lines.txt"
+ ScratchPad.record []
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ end
+
+ it "sets $_ to nil" do
+ $_ = "test"
+ IO.foreach(@name) { }
+ $_.should be_nil
+ end
+
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ IO.foreach(@name).should be_an_instance_of(Enumerator)
+ IO.foreach(@name).to_a.should == IOSpecs.lines
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ IO.foreach(@name).size.should == nil
+ end
+ end
+ end
+ end
+
+ it_behaves_like :io_readlines, :foreach, IOSpecs.collector
+ it_behaves_like :io_readlines_options_19, :foreach, IOSpecs.collector
+end
diff --git a/spec/ruby/core/io/fsync_spec.rb b/spec/ruby/core/io/fsync_spec.rb
new file mode 100644
index 0000000000..6e6123de94
--- /dev/null
+++ b/spec/ruby/core/io/fsync_spec.rb
@@ -0,0 +1,24 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#fsync" do
+ before :each do
+ @name = tmp("io_fsync.txt")
+ ScratchPad.clear
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.fsync }.should raise_error(IOError)
+ end
+
+ it "writes the buffered data to permanent storage" do
+ File.open(@name, "w") do |f|
+ f.write "one hit wonder"
+ f.fsync.should == 0
+ end
+ end
+end
diff --git a/spec/ruby/core/io/getbyte_spec.rb b/spec/ruby/core/io/getbyte_spec.rb
new file mode 100644
index 0000000000..b4351160e6
--- /dev/null
+++ b/spec/ruby/core/io/getbyte_spec.rb
@@ -0,0 +1,58 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#getbyte" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns the next byte from the stream" do
+ @io.readline.should == "Voici la ligne une.\n"
+ letters = @io.getbyte, @io.getbyte, @io.getbyte, @io.getbyte, @io.getbyte
+ letters.should == [81, 117, 105, 32, 195]
+ end
+
+ it "returns nil when invoked at the end of the stream" do
+ @io.read
+ @io.getbyte.should == nil
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.getbyte }.should raise_error(IOError)
+ end
+end
+
+describe "IO#getbyte" do
+ before :each do
+ @io = IOSpecs.io_fixture "empty.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns nil on empty stream" do
+ @io.getbyte.should == nil
+ end
+end
+
+describe "IO#getbyte" do
+ before :each do
+ @name = tmp("io_getbyte.txt")
+ @io = new_io(@name, 'w')
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name if @name
+ end
+
+ it "raises an IOError if the stream is not readable" do
+ -> { @io.getbyte }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/getc_spec.rb b/spec/ruby/core/io/getc_spec.rb
new file mode 100644
index 0000000000..3949b5cb28
--- /dev/null
+++ b/spec/ruby/core/io/getc_spec.rb
@@ -0,0 +1,42 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#getc" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns the next character from the stream" do
+ @io.readline.should == "Voici la ligne une.\n"
+ letters = @io.getc, @io.getc, @io.getc, @io.getc, @io.getc
+ letters.should == ["Q", "u", "i", " ", "è"]
+ end
+
+ it "returns nil when invoked at the end of the stream" do
+ @io.read
+ @io.getc.should be_nil
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.getc }.should raise_error(IOError)
+ end
+end
+
+describe "IO#getc" do
+ before :each do
+ @io = IOSpecs.io_fixture "empty.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns nil on empty stream" do
+ @io.getc.should be_nil
+ end
+end
diff --git a/spec/ruby/core/io/gets_spec.rb b/spec/ruby/core/io/gets_spec.rb
new file mode 100644
index 0000000000..ca64bf860e
--- /dev/null
+++ b/spec/ruby/core/io/gets_spec.rb
@@ -0,0 +1,360 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/gets_ascii'
+
+describe "IO#gets" do
+ it_behaves_like :io_gets_ascii, :gets
+end
+
+describe "IO#gets" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ @count = 0
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "assigns the returned line to $_" do
+ IOSpecs.lines.each do |line|
+ @io.gets
+ $_.should == line
+ end
+ end
+
+ it "sets $_ to nil after the last line has been read" do
+ while @io.gets
+ end
+ $_.should be_nil
+ end
+
+ it "returns nil if called at the end of the stream" do
+ IOSpecs.lines.length.times { @io.gets }
+ @io.gets.should == nil
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.gets }.should raise_error(IOError)
+ end
+
+ describe "with no separator" do
+ it "returns the next line of string that is separated by $/" do
+ IOSpecs.lines.each { |line| line.should == @io.gets }
+ end
+
+ it "updates lineno with each invocation" do
+ while @io.gets
+ @io.lineno.should == @count += 1
+ end
+ end
+
+ it "updates $. with each invocation" do
+ while @io.gets
+ $..should == @count += 1
+ end
+ end
+ end
+
+ describe "with nil separator" do
+ it "returns the entire contents" do
+ @io.gets(nil).should == IOSpecs.lines.join("")
+ end
+
+ it "updates lineno with each invocation" do
+ while @io.gets(nil)
+ @io.lineno.should == @count += 1
+ end
+ end
+
+ it "updates $. with each invocation" do
+ while @io.gets(nil)
+ $..should == @count += 1
+ end
+ end
+ end
+
+ describe "with an empty String separator" do
+ # Two successive newlines in the input separate paragraphs.
+ # When there are more than two successive newlines, only two are kept.
+ it "returns the next paragraph" do
+ @io.gets("").should == IOSpecs.lines[0,3].join("")
+ @io.gets("").should == IOSpecs.lines[4,3].join("")
+ @io.gets("").should == IOSpecs.lines[7,2].join("")
+ end
+
+ it "reads until the beginning of the next paragraph" do
+ # There are three newlines between the first and second paragraph
+ @io.gets("")
+ @io.gets.should == IOSpecs.lines[4]
+ end
+
+ it "updates lineno with each invocation" do
+ while @io.gets("")
+ @io.lineno.should == @count += 1
+ end
+ end
+
+ it "updates $. with each invocation" do
+ while @io.gets("")
+ $..should == @count += 1
+ end
+ end
+ end
+
+ describe "with an arbitrary String separator" do
+ it "reads up to and including the separator" do
+ @io.gets("la linea").should == "Voici la ligne une.\nQui \303\250 la linea"
+ end
+
+ it "updates lineno with each invocation" do
+ while (@io.gets("la"))
+ @io.lineno.should == @count += 1
+ end
+ end
+
+ it "updates $. with each invocation" do
+ while @io.gets("la")
+ $..should == @count += 1
+ end
+ end
+
+ describe "that consists of multiple bytes" do
+ platform_is_not :windows do
+ it "should match the separator even if the buffer is filled over successive reads" do
+ IO.pipe do |read, write|
+
+ # Write part of the string with the separator split between two write calls. We want
+ # the read to intertwine such that when the read starts the full data isn't yet
+ # available in the buffer.
+ write.write("Aquí está la línea tres\r\n")
+
+ t = Thread.new do
+ # Continue reading until the separator is encountered or the pipe is closed.
+ read.gets("\r\n\r\n")
+ end
+
+ # Write the other half of the separator, which should cause the `gets` call to now
+ # match. Explicitly close the pipe for good measure so a bug in `gets` doesn't block forever.
+ Thread.pass until t.stop?
+
+ write.write("\r\nelse\r\n\r\n")
+ write.close
+
+ t.value.bytes.should == "Aquí está la línea tres\r\n\r\n".bytes
+ read.read(8).bytes.should == "else\r\n\r\n".bytes
+ end
+ end
+ end
+ end
+ end
+
+ describe "when passed chomp" do
+ it "returns the first line without a trailing newline character" do
+ @io.gets(chomp: true).should == IOSpecs.lines_without_newline_characters[0]
+ end
+
+ it "raises exception when options passed as Hash" do
+ -> { @io.gets({ chomp: true }) }.should raise_error(TypeError)
+
+ -> {
+ @io.gets("\n", 1, { chomp: true })
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)")
+ end
+ end
+end
+
+describe "IO#gets" do
+ before :each do
+ @name = tmp("io_gets")
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "raises an IOError if the stream is opened for append only" do
+ -> { File.open(@name, "a:utf-8") { |f| f.gets } }.should raise_error(IOError)
+ end
+
+ it "raises an IOError if the stream is opened for writing only" do
+ -> { File.open(@name, "w:utf-8") { |f| f.gets } }.should raise_error(IOError)
+ end
+end
+
+describe "IO#gets" do
+ before :each do
+ @name = tmp("io_gets")
+ touch(@name) { |f| f.write "one\n\ntwo\n\nthree\nfour\n" }
+ @io = new_io @name, "r:utf-8"
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "calls #to_int to convert a single object argument to an Integer limit" do
+ obj = mock("io gets limit")
+ obj.should_receive(:to_int).and_return(6)
+
+ @io.gets(obj).should == "one\n"
+ end
+
+ it "calls #to_int to convert the second object argument to an Integer limit" do
+ obj = mock("io gets limit")
+ obj.should_receive(:to_int).and_return(2)
+
+ @io.gets(nil, obj).should == "on"
+ end
+
+ it "calls #to_str to convert the first argument to a String when passed a limit" do
+ obj = mock("io gets separator")
+ obj.should_receive(:to_str).and_return($/)
+
+ @io.gets(obj, 5).should == "one\n"
+ end
+
+ it "reads to the default separator when passed a single argument greater than the number of bytes to the separator" do
+ @io.gets(6).should == "one\n"
+ end
+
+ it "reads limit bytes when passed a single argument less than the number of bytes to the default separator" do
+ @io.gets(3).should == "one"
+ end
+
+ it "reads limit bytes when passed nil and a limit" do
+ @io.gets(nil, 6).should == "one\n\nt"
+ end
+
+ it "reads all bytes when the limit is higher than the available bytes" do
+ @io.gets(nil, 100).should == "one\n\ntwo\n\nthree\nfour\n"
+ end
+
+ it "reads until the next paragraph when passed '' and a limit greater than the next paragraph" do
+ @io.gets("", 6).should == "one\n\n"
+ end
+
+ it "reads limit bytes when passed '' and a limit less than the next paragraph" do
+ @io.gets("", 3).should == "one"
+ end
+
+ it "reads all bytes when pass a separator and reading more than all bytes" do
+ @io.gets("\t", 100).should == "one\n\ntwo\n\nthree\nfour\n"
+ end
+
+ it "returns empty string when 0 passed as a limit" do
+ @io.gets(0).should == ""
+ @io.gets(nil, 0).should == ""
+ @io.gets("", 0).should == ""
+ end
+
+ it "does not accept limit that doesn't fit in a C off_t" do
+ -> { @io.gets(2**128) }.should raise_error(RangeError)
+ end
+end
+
+describe "IO#gets" do
+ before :each do
+ @name = tmp("io_gets")
+ # create data "朝日" + "\xE3\x81" * 100 to avoid utf-8 conflicts
+ data = "朝日" + ([227,129].pack('C*') * 100).force_encoding('utf-8')
+ touch(@name) { |f| f.write data }
+ @io = new_io @name, "r:utf-8"
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "reads limit bytes and extra bytes when limit is reached not at character boundary" do
+ [@io.gets(1), @io.gets(1)].should == ["朝", "日"]
+ end
+
+ it "read limit bytes and extra bytes with maximum of 16" do
+ # create str "朝日\xE3" + "\x81\xE3" * 8 to avoid utf-8 conflicts
+ str = "朝日" + ([227] + [129,227] * 8).pack('C*').force_encoding('utf-8')
+ @io.gets(7).should == str
+ end
+end
+
+describe "IO#gets" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+
+ Encoding.default_external = Encoding::UTF_8
+ Encoding.default_internal = nil
+
+ @name = tmp("io_gets")
+ touch(@name) { |f| f.write "line" }
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+ end
+
+ it "uses the default external encoding" do
+ @io = new_io @name, 'r'
+ @io.gets.encoding.should == Encoding::UTF_8
+ end
+
+ it "uses the IO object's external encoding, when set" do
+ @io = new_io @name, 'r'
+ @io.set_encoding Encoding::US_ASCII
+ @io.gets.encoding.should == Encoding::US_ASCII
+ end
+
+ it "transcodes into the default internal encoding" do
+ Encoding.default_internal = Encoding::US_ASCII
+ @io = new_io @name, 'r'
+ @io.gets.encoding.should == Encoding::US_ASCII
+ end
+
+ it "transcodes into the IO object's internal encoding, when set" do
+ Encoding.default_internal = Encoding::US_ASCII
+ @io = new_io @name, 'r'
+ @io.set_encoding Encoding::UTF_8, Encoding::UTF_16
+ @io.gets.encoding.should == Encoding::UTF_16
+ end
+
+ it "overwrites the default external encoding with the IO object's own external encoding" do
+ Encoding.default_external = Encoding::BINARY
+ Encoding.default_internal = Encoding::UTF_8
+ @io = new_io @name, 'r'
+ @io.set_encoding Encoding::IBM866
+ @io.gets.encoding.should == Encoding::UTF_8
+ end
+
+ it "ignores the internal encoding if the default external encoding is BINARY" do
+ Encoding.default_external = Encoding::BINARY
+ Encoding.default_internal = Encoding::UTF_8
+ @io = new_io @name, 'r'
+ @io.gets.encoding.should == Encoding::BINARY
+ end
+
+ ruby_version_is ''...'3.3' do
+ it "transcodes to internal encoding if the IO object's external encoding is BINARY" do
+ Encoding.default_external = Encoding::BINARY
+ Encoding.default_internal = Encoding::UTF_8
+ @io = new_io @name, 'r'
+ @io.set_encoding Encoding::BINARY, Encoding::UTF_8
+ @io.gets.encoding.should == Encoding::UTF_8
+ end
+ end
+
+ ruby_version_is '3.3' do
+ it "ignores the internal encoding if the IO object's external encoding is BINARY" do
+ Encoding.default_external = Encoding::BINARY
+ Encoding.default_internal = Encoding::UTF_8
+ @io = new_io @name, 'r'
+ @io.set_encoding Encoding::BINARY, Encoding::UTF_8
+ @io.gets.encoding.should == Encoding::BINARY
+ end
+ end
+end
diff --git a/spec/ruby/core/io/initialize_spec.rb b/spec/ruby/core/io/initialize_spec.rb
new file mode 100644
index 0000000000..026252a13d
--- /dev/null
+++ b/spec/ruby/core/io/initialize_spec.rb
@@ -0,0 +1,60 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#initialize" do
+ before :each do
+ @name = tmp("io_initialize.txt")
+ @io = IO.new(new_fd(@name))
+ @fd = @io.fileno
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "reassociates the IO instance with the new descriptor when passed an Integer" do
+ fd = new_fd @name, "r:utf-8"
+ @io.send :initialize, fd, 'r'
+ @io.fileno.should == fd
+ end
+
+ it "calls #to_int to coerce the object passed as an fd" do
+ obj = mock('fileno')
+ fd = new_fd @name, "r:utf-8"
+ obj.should_receive(:to_int).and_return(fd)
+ @io.send :initialize, obj, 'r'
+ @io.fileno.should == fd
+ end
+
+ it "accepts options as keyword arguments" do
+ fd = new_fd @name, "w:utf-8"
+
+ @io.send(:initialize, fd, "w", flags: File::CREAT)
+ @io.fileno.should == fd
+
+ -> {
+ @io.send(:initialize, fd, "w", {flags: File::CREAT})
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 1..2)")
+ end
+
+ it "raises a TypeError when passed an IO" do
+ -> { @io.send :initialize, STDOUT, 'w' }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError when passed nil" do
+ -> { @io.send :initialize, nil, 'w' }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError when passed a String" do
+ -> { @io.send :initialize, "4", 'w' }.should raise_error(TypeError)
+ end
+
+ it "raises IOError on closed stream" do
+ -> { @io.send :initialize, IOSpecs.closed_io.fileno }.should raise_error(IOError)
+ end
+
+ it "raises an Errno::EBADF when given an invalid file descriptor" do
+ -> { @io.send :initialize, -1, 'w' }.should raise_error(Errno::EBADF)
+ end
+end
diff --git a/spec/ruby/core/io/inspect_spec.rb b/spec/ruby/core/io/inspect_spec.rb
new file mode 100644
index 0000000000..c653c307c4
--- /dev/null
+++ b/spec/ruby/core/io/inspect_spec.rb
@@ -0,0 +1,23 @@
+require_relative '../../spec_helper'
+
+describe "IO#inspect" do
+ after :each do
+ @r.close if @r && !@r.closed?
+ @w.close if @w && !@w.closed?
+ end
+
+ it "contains the file descriptor number" do
+ @r, @w = IO.pipe
+ @r.inspect.should include("fd #{@r.fileno}")
+ end
+
+ it "contains \"(closed)\" if the stream is closed" do
+ @r, @w = IO.pipe
+ @r.close
+ @r.inspect.should include("(closed)")
+ end
+
+ it "reports IO as its Method object's owner" do
+ IO.instance_method(:inspect).owner.should == IO
+ end
+end
diff --git a/spec/ruby/core/io/internal_encoding_spec.rb b/spec/ruby/core/io/internal_encoding_spec.rb
new file mode 100644
index 0000000000..7a583d4bcb
--- /dev/null
+++ b/spec/ruby/core/io/internal_encoding_spec.rb
@@ -0,0 +1,145 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe :io_internal_encoding, shared: true do
+ describe "when Encoding.default_internal is not set" do
+ before :each do
+ Encoding.default_internal = nil
+ end
+
+ it "returns nil if the internal encoding is not set" do
+ @io = new_io @name, @object
+ @io.internal_encoding.should be_nil
+ end
+
+ it "returns nil if Encoding.default_internal is changed after the instance is created" do
+ @io = new_io @name, @object
+ Encoding.default_internal = Encoding::IBM437
+ @io.internal_encoding.should be_nil
+ end
+
+ it "returns the value set when the instance was created" do
+ @io = new_io @name, "#{@object}:utf-8:euc-jp"
+ Encoding.default_internal = Encoding::IBM437
+ @io.internal_encoding.should equal(Encoding::EUC_JP)
+ end
+
+ it "returns the value set by #set_encoding" do
+ @io = new_io @name, @object
+ @io.set_encoding(Encoding::US_ASCII, Encoding::IBM437)
+ @io.internal_encoding.should equal(Encoding::IBM437)
+ end
+ end
+
+ describe "when Encoding.default_internal == Encoding.default_external" do
+ before :each do
+ Encoding.default_external = Encoding::IBM866
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+ it "returns nil" do
+ @io = new_io @name, @object
+ @io.internal_encoding.should be_nil
+ end
+
+ it "returns nil regardless of Encoding.default_internal changes" do
+ @io = new_io @name, @object
+ Encoding.default_internal = Encoding::IBM437
+ @io.internal_encoding.should be_nil
+ end
+ end
+
+ describe "when Encoding.default_internal != Encoding.default_external" do
+ before :each do
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+ end
+
+ it "returns the value of Encoding.default_internal when the instance was created if the internal encoding is not set" do
+ @io = new_io @name, @object
+ @io.internal_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "does not change when Encoding.default_internal is changed" do
+ @io = new_io @name, @object
+ Encoding.default_internal = Encoding::IBM437
+ @io.internal_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "returns the internal encoding set when the instance was created" do
+ @io = new_io @name, "#{@object}:utf-8:euc-jp"
+ @io.internal_encoding.should equal(Encoding::EUC_JP)
+ end
+
+ it "does not change when set and Encoding.default_internal is changed" do
+ @io = new_io @name, "#{@object}:utf-8:euc-jp"
+ Encoding.default_internal = Encoding::IBM437
+ @io.internal_encoding.should equal(Encoding::EUC_JP)
+ end
+
+ it "returns the value set by #set_encoding" do
+ @io = new_io @name, @object
+ @io.set_encoding(Encoding::US_ASCII, Encoding::IBM437)
+ @io.internal_encoding.should equal(Encoding::IBM437)
+ end
+
+ it "returns nil when Encoding.default_external is BINARY and the internal encoding is not set" do
+ Encoding.default_external = Encoding::BINARY
+ @io = new_io @name, @object
+ @io.internal_encoding.should be_nil
+ end
+
+ it "returns nil when the external encoding is BINARY and the internal encoding is not set" do
+ @io = new_io @name, "#{@object}:binary"
+ @io.internal_encoding.should be_nil
+ end
+ end
+end
+
+describe "IO#internal_encoding" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+
+ @name = tmp("io_internal_encoding")
+ touch(@name)
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+ end
+
+ it "can be retrieved from a closed stream" do
+ io = IOSpecs.io_fixture("lines.txt", "r")
+ io.close
+ io.internal_encoding.should equal(Encoding.default_internal)
+ end
+
+ describe "with 'r' mode" do
+ it_behaves_like :io_internal_encoding, nil, "r"
+ end
+
+ describe "with 'r+' mode" do
+ it_behaves_like :io_internal_encoding, nil, "r+"
+ end
+
+ describe "with 'w' mode" do
+ it_behaves_like :io_internal_encoding, nil, "w"
+ end
+
+ describe "with 'w+' mode" do
+ it_behaves_like :io_internal_encoding, nil, "w+"
+ end
+
+ describe "with 'a' mode" do
+ it_behaves_like :io_internal_encoding, nil, "a"
+ end
+
+ describe "with 'a+' mode" do
+ it_behaves_like :io_internal_encoding, nil, "a+"
+ end
+end
diff --git a/spec/ruby/core/io/io_spec.rb b/spec/ruby/core/io/io_spec.rb
new file mode 100644
index 0000000000..0feb1a8774
--- /dev/null
+++ b/spec/ruby/core/io/io_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+
+describe "IO" do
+ it "includes File::Constants" do
+ IO.include?(File::Constants).should == true
+ end
+
+ it "includes Enumerable" do
+ IO.include?(Enumerable).should == true
+ end
+end
diff --git a/spec/ruby/core/io/ioctl_spec.rb b/spec/ruby/core/io/ioctl_spec.rb
new file mode 100644
index 0000000000..3f7b5ad5d7
--- /dev/null
+++ b/spec/ruby/core/io/ioctl_spec.rb
@@ -0,0 +1,32 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#ioctl" do
+ platform_is_not :windows do
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
+ end
+ end
+
+ platform_is :linux do
+ guard -> { RUBY_PLATFORM.include?("86") } do # x86 / x86_64
+ it "resizes an empty String to match the output size" do
+ File.open(__FILE__, 'r') do |f|
+ buffer = +''
+ # FIONREAD in /usr/include/asm-generic/ioctls.h
+ f.ioctl 0x541B, buffer
+ buffer.unpack('I').first.should be_kind_of(Integer)
+ end
+ end
+ end
+
+ it "raises a system call error when ioctl fails" do
+ File.open(__FILE__, 'r') do |f|
+ -> {
+ # TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
+ f.ioctl 0x5413, nil
+ }.should raise_error(SystemCallError)
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/isatty_spec.rb b/spec/ruby/core/io/isatty_spec.rb
new file mode 100644
index 0000000000..3b6c69b190
--- /dev/null
+++ b/spec/ruby/core/io/isatty_spec.rb
@@ -0,0 +1,6 @@
+require_relative '../../spec_helper'
+require_relative 'shared/tty'
+
+describe "IO#isatty" do
+ it_behaves_like :io_tty, :isatty
+end
diff --git a/spec/ruby/core/io/lineno_spec.rb b/spec/ruby/core/io/lineno_spec.rb
new file mode 100644
index 0000000000..e82cdd9f17
--- /dev/null
+++ b/spec/ruby/core/io/lineno_spec.rb
@@ -0,0 +1,138 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#lineno" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "raises an IOError on a closed stream" do
+ -> { IOSpecs.closed_io.lineno }.should raise_error(IOError)
+ end
+
+ it "raises an IOError on a write-only stream" do
+ name = tmp("io_lineno.txt")
+ begin
+ File.open(name, 'w') do |f|
+ -> { f.lineno }.should raise_error(IOError)
+ end
+ ensure
+ rm_r name
+ end
+ end
+
+ it "raises an IOError on a duplexed stream with the read side closed" do
+ cmd = platform_is(:windows) ? 'rem' : 'cat'
+ IO.popen(cmd, 'r+') do |p|
+ p.close_read
+ -> { p.lineno }.should raise_error(IOError)
+ end
+ end
+
+ it "returns the current line number" do
+ @io.lineno.should == 0
+
+ count = 0
+ while @io.gets
+ @io.lineno.should == count += 1
+ end
+
+ @io.rewind
+ @io.lineno.should == 0
+ end
+end
+
+describe "IO#lineno=" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "raises an IOError on a closed stream" do
+ -> { IOSpecs.closed_io.lineno = 5 }.should raise_error(IOError)
+ end
+
+ it "raises an IOError on a write-only stream" do
+ name = tmp("io_lineno.txt")
+ begin
+ File.open(name, 'w') do |f|
+ -> { f.lineno = 0 }.should raise_error(IOError)
+ end
+ ensure
+ rm_r name
+ end
+ end
+
+ it "raises an IOError on a duplexed stream with the read side closed" do
+ cmd = platform_is(:windows) ? 'rem' : 'cat'
+ IO.popen(cmd, 'r+') do |p|
+ p.close_read
+ -> { p.lineno = 0 }.should raise_error(IOError)
+ end
+ end
+
+ it "calls #to_int on a non-numeric argument" do
+ obj = mock('123')
+ obj.should_receive(:to_int).and_return(123)
+
+ @io.lineno = obj
+ @io.lineno.should == 123
+ end
+
+ it "truncates a Float argument" do
+ @io.lineno = 1.5
+ @io.lineno.should == 1
+
+ @io.lineno = 92233.72036854775808
+ @io.lineno.should == 92233
+ end
+
+ it "raises TypeError if cannot convert argument to Integer implicitly" do
+ -> { @io.lineno = "1" }.should raise_error(TypeError, 'no implicit conversion of String into Integer')
+ -> { @io.lineno = nil }.should raise_error(TypeError, 'no implicit conversion from nil to integer')
+ end
+
+ it "does not accept Integers that don't fit in a C int" do
+ -> { @io.lineno = 2**32 }.should raise_error(RangeError)
+ end
+
+ it "sets the current line number to the given value" do
+ @io.lineno = count = 500
+
+ while @io.gets
+ @io.lineno.should == count += 1
+ end
+
+ @io.rewind
+ @io.lineno.should == 0
+ end
+
+ it "does not change $." do
+ original_line = $.
+ numbers = [-2**30, -2**16, -2**8, -100, -10, -1, 0, 1, 10, 2**8, 2**16, 2**30]
+ numbers.each do |num|
+ @io.lineno = num
+ @io.lineno.should == num
+ $..should == original_line
+ end
+ end
+
+ it "does not change $. until next read" do
+ $. = 0
+ $..should == 0
+
+ @io.lineno = count = 500
+ $..should == 0
+
+ while @io.gets
+ $..should == count += 1
+ end
+ end
+end
diff --git a/spec/ruby/core/io/new_spec.rb b/spec/ruby/core/io/new_spec.rb
new file mode 100644
index 0000000000..979ac0efcb
--- /dev/null
+++ b/spec/ruby/core/io/new_spec.rb
@@ -0,0 +1,18 @@
+require_relative '../../spec_helper'
+require_relative 'shared/new'
+
+# NOTE: should be synchronized with library/stringio/initialize_spec.rb
+
+describe "IO.new" do
+ it_behaves_like :io_new, :new
+
+ it "does not use the given block and warns to use IO::open" do
+ -> {
+ @io = IO.send(@method, @fd) { raise }
+ }.should complain(/warning: IO::new\(\) does not take block; use IO::open\(\) instead/)
+ end
+end
+
+describe "IO.new" do
+ it_behaves_like :io_new_errors, :new
+end
diff --git a/spec/ruby/core/io/nonblock_spec.rb b/spec/ruby/core/io/nonblock_spec.rb
new file mode 100644
index 0000000000..99dc0cafd0
--- /dev/null
+++ b/spec/ruby/core/io/nonblock_spec.rb
@@ -0,0 +1,48 @@
+require_relative '../../spec_helper'
+
+platform_is_not :windows do
+ describe "IO#nonblock?" do
+ before :all do
+ require 'io/nonblock'
+ end
+
+ it "returns false for a file by default" do
+ File.open(__FILE__) do |f|
+ f.nonblock?.should == false
+ end
+ end
+
+ it "returns true for pipe by default" do
+ r, w = IO.pipe
+ begin
+ r.nonblock?.should == true
+ w.nonblock?.should == true
+ ensure
+ r.close
+ w.close
+ end
+ end
+
+ it "returns true for socket by default" do
+ require 'socket'
+ TCPServer.open(0) do |socket|
+ socket.nonblock?.should == true
+ end
+ end
+ end
+
+ describe "IO#nonblock=" do
+ before :all do
+ require 'io/nonblock'
+ end
+
+ it "changes the IO to non-blocking mode" do
+ File.open(__FILE__) do |f|
+ f.nonblock = true
+ f.nonblock?.should == true
+ f.nonblock = false
+ f.nonblock?.should == false
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/open_spec.rb b/spec/ruby/core/io/open_spec.rb
new file mode 100644
index 0000000000..d151da9ce5
--- /dev/null
+++ b/spec/ruby/core/io/open_spec.rb
@@ -0,0 +1,99 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/new'
+
+describe "IO.open" do
+ it_behaves_like :io_new, :open
+end
+
+describe "IO.open" do
+ it_behaves_like :io_new_errors, :open
+end
+
+# These specs use a special mock helper to avoid mock
+# methods from preventing IO#close from running and
+# which would prevent the file referenced by @fd from
+# being deleted on Windows.
+
+describe "IO.open" do
+ before :each do
+ @name = tmp("io_open.txt")
+ @fd = new_fd @name
+ ScratchPad.clear
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "calls #close after yielding to the block" do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ ScratchPad.record :called
+ end
+ io.closed?.should be_false
+ end
+ ScratchPad.recorded.should == :called
+ end
+
+ it "propagate an exception in the block after calling #close" do
+ -> do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ ScratchPad.record :called
+ end
+ raise Exception
+ end
+ end.should raise_error(Exception)
+ ScratchPad.recorded.should == :called
+ end
+
+ it "propagates an exception raised by #close that is not a StandardError" do
+ -> do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ ScratchPad.record :called
+ raise Exception
+ end
+ end
+ end.should raise_error(Exception)
+ ScratchPad.recorded.should == :called
+ end
+
+ it "propagates an exception raised by #close that is a StandardError" do
+ -> do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ ScratchPad.record :called
+ raise StandardError
+ end
+ end
+ end.should raise_error(StandardError)
+ ScratchPad.recorded.should == :called
+ end
+
+ it "does not propagate an IOError with 'closed stream' message raised by #close" do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ ScratchPad.record :called
+ raise IOError, 'closed stream'
+ end
+ end
+ ScratchPad.recorded.should == :called
+ end
+
+ it "does not set last error when an IOError with 'closed stream' raised by #close" do
+ IO.open(@fd, "w") do |io|
+ IOSpecs.io_mock(io, :close) do
+ super()
+ raise IOError, 'closed stream'
+ end
+ end
+ $!.should == nil
+ end
+end
diff --git a/spec/ruby/core/io/output_spec.rb b/spec/ruby/core/io/output_spec.rb
new file mode 100644
index 0000000000..2aafb305f4
--- /dev/null
+++ b/spec/ruby/core/io/output_spec.rb
@@ -0,0 +1,27 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#<<" do
+ it "writes an object to the IO stream" do
+ -> {
+ $stderr << "Oh noes, an error!"
+ }.should output_to_fd("Oh noes, an error!", $stderr)
+ end
+
+ it "calls #to_s on the object to print it" do
+ -> {
+ $stderr << 1337
+ }.should output_to_fd("1337", $stderr)
+ end
+
+ it "raises an error if the stream is closed" do
+ io = IOSpecs.closed_io
+ -> { io << "test" }.should raise_error(IOError)
+ end
+
+ it "returns self" do
+ -> {
+ ($stderr << "to_stderr").should == $stderr
+ }.should output(nil, "to_stderr")
+ end
+end
diff --git a/spec/ruby/core/io/path_spec.rb b/spec/ruby/core/io/path_spec.rb
new file mode 100644
index 0000000000..798adb2163
--- /dev/null
+++ b/spec/ruby/core/io/path_spec.rb
@@ -0,0 +1,12 @@
+require_relative '../../spec_helper'
+
+describe "IO#path" do
+ it "returns the path of the file associated with the IO object" do
+ path = tmp("io_path.txt")
+ File.open(path, "w") do |file|
+ IO.new(file.fileno, path: file.path, autoclose: false).path.should == file.path
+ end
+ ensure
+ File.unlink(path)
+ end
+end
diff --git a/spec/ruby/core/io/pid_spec.rb b/spec/ruby/core/io/pid_spec.rb
new file mode 100644
index 0000000000..bc09fe7c3b
--- /dev/null
+++ b/spec/ruby/core/io/pid_spec.rb
@@ -0,0 +1,35 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#pid" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns nil for IO not associated with a process" do
+ @io.pid.should == nil
+ end
+end
+
+describe "IO#pid" do
+ before :each do
+ @io = IO.popen ruby_cmd('STDIN.read'), "r+"
+ end
+
+ after :each do
+ @io.close if @io && !@io.closed?
+ end
+
+ it "returns the ID of a process associated with stream" do
+ @io.pid.should_not be_nil
+ end
+
+ it "raises an IOError on closed stream" do
+ @io.close
+ -> { @io.pid }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/pipe_spec.rb b/spec/ruby/core/io/pipe_spec.rb
new file mode 100644
index 0000000000..aee0d9003f
--- /dev/null
+++ b/spec/ruby/core/io/pipe_spec.rb
@@ -0,0 +1,225 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO.pipe" do
+ after :each do
+ @r.close if @r && !@r.closed?
+ @w.close if @w && !@w.closed?
+ end
+
+ it "creates a two-ended pipe" do
+ @r, @w = IO.pipe
+ @w.puts "test_create_pipe\\n"
+ @w.close
+ @r.read(16).should == "test_create_pipe"
+ end
+
+ it "returns two IO objects" do
+ @r, @w = IO.pipe
+ @r.should be_kind_of(IO)
+ @w.should be_kind_of(IO)
+ end
+
+ it "returns instances of a subclass when called on a subclass" do
+ @r, @w = IOSpecs::SubIO.pipe
+ @r.should be_an_instance_of(IOSpecs::SubIO)
+ @w.should be_an_instance_of(IOSpecs::SubIO)
+ end
+
+ it "does not use IO.new method to create pipes and allows its overriding" do
+ ScratchPad.record []
+
+ # so redefined .new is not called, but original #initialize is
+ @r, @w = IOSpecs::SubIOWithRedefinedNew.pipe
+ ScratchPad.recorded.should == [:call_original_initialize, :call_original_initialize] # called 2 times - for each pipe (r and w)
+
+ @r.should be_an_instance_of(IOSpecs::SubIOWithRedefinedNew)
+ @w.should be_an_instance_of(IOSpecs::SubIOWithRedefinedNew)
+ end
+end
+
+describe "IO.pipe" do
+ describe "passed a block" do
+ it "yields two IO objects" do
+ IO.pipe do |r, w|
+ r.should be_kind_of(IO)
+ w.should be_kind_of(IO)
+ end
+ end
+
+ it "returns the result of the block" do
+ IO.pipe { |r, w| :result }.should == :result
+ end
+
+ it "closes both IO objects" do
+ r, w = IO.pipe do |_r, _w|
+ [_r, _w]
+ end
+ r.should.closed?
+ w.should.closed?
+ end
+
+ it "closes both IO objects when the block raises" do
+ r = w = nil
+ -> do
+ IO.pipe do |_r, _w|
+ r = _r
+ w = _w
+ raise RuntimeError
+ end
+ end.should raise_error(RuntimeError)
+ r.should.closed?
+ w.should.closed?
+ end
+
+ it "allows IO objects to be closed within the block" do
+ r, w = IO.pipe do |_r, _w|
+ _r.close
+ _w.close
+ [_r, _w]
+ end
+ r.should.closed?
+ w.should.closed?
+ end
+ end
+end
+
+describe "IO.pipe" do
+ before :each do
+ @default_external = Encoding.default_external
+ @default_internal = Encoding.default_internal
+ end
+
+ after :each do
+ Encoding.default_external = @default_external
+ Encoding.default_internal = @default_internal
+ end
+
+ it "sets the external encoding of the read end to the default when passed no arguments" do
+ Encoding.default_external = Encoding::ISO_8859_1
+
+ IO.pipe do |r, w|
+ r.external_encoding.should == Encoding::ISO_8859_1
+ r.internal_encoding.should be_nil
+ end
+ end
+
+ it "sets the internal encoding of the read end to the default when passed no arguments" do
+ Encoding.default_external = Encoding::ISO_8859_1
+ Encoding.default_internal = Encoding::UTF_8
+
+ IO.pipe do |r, w|
+ r.external_encoding.should == Encoding::ISO_8859_1
+ r.internal_encoding.should == Encoding::UTF_8
+ end
+ end
+
+ it "sets the internal encoding to nil if the same as the external" do
+ Encoding.default_external = Encoding::UTF_8
+ Encoding.default_internal = Encoding::UTF_8
+
+ IO.pipe do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should be_nil
+ end
+ end
+
+ it "sets the external encoding of the read end when passed an Encoding argument" do
+ IO.pipe(Encoding::UTF_8) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should be_nil
+ end
+ end
+
+ it "sets the external and internal encodings of the read end when passed two Encoding arguments" do
+ IO.pipe(Encoding::UTF_8, Encoding::UTF_16BE) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::UTF_16BE
+ end
+ end
+
+ it "sets the external encoding of the read end when passed the name of an Encoding" do
+ IO.pipe("UTF-8") do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should be_nil
+ end
+ end
+
+ it "accepts 'bom|' prefix for external encoding" do
+ IO.pipe("BOM|UTF-8") do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should be_nil
+ end
+ end
+
+ it "sets the external and internal encodings specified as a String and separated with a colon" do
+ IO.pipe("UTF-8:ISO-8859-1") do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::ISO_8859_1
+ end
+ end
+
+ it "accepts 'bom|' prefix for external encoding when specifying 'external:internal'" do
+ IO.pipe("BOM|UTF-8:ISO-8859-1") do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::ISO_8859_1
+ end
+ end
+
+ it "sets the external and internal encoding when passed two String arguments" do
+ IO.pipe("UTF-8", "UTF-16BE") do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::UTF_16BE
+ end
+ end
+
+ it "accepts an options Hash with one String encoding argument" do
+ IO.pipe("BOM|UTF-8:ISO-8859-1", invalid: :replace) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::ISO_8859_1
+ end
+ end
+
+ it "accepts an options Hash with two String encoding arguments" do
+ IO.pipe("UTF-8", "ISO-8859-1", invalid: :replace) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::ISO_8859_1
+ end
+ end
+
+ it "calls #to_hash to convert an options argument" do
+ options = mock("io pipe encoding options")
+ options.should_receive(:to_hash).and_return({ invalid: :replace })
+ IO.pipe("UTF-8", "ISO-8859-1", **options) { |r, w| }
+ end
+
+ it "calls #to_str to convert the first argument to a String" do
+ obj = mock("io_pipe_encoding")
+ obj.should_receive(:to_str).and_return("UTF-8:UTF-16BE")
+ IO.pipe(obj) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::UTF_16BE
+ end
+ end
+
+ it "calls #to_str to convert the second argument to a String" do
+ obj = mock("io_pipe_encoding")
+ obj.should_receive(:to_str).at_least(1).times.and_return("UTF-16BE")
+ IO.pipe(Encoding::UTF_8, obj) do |r, w|
+ r.external_encoding.should == Encoding::UTF_8
+ r.internal_encoding.should == Encoding::UTF_16BE
+ end
+ end
+
+ it "sets no external encoding for the write end" do
+ IO.pipe(Encoding::UTF_8) do |r, w|
+ w.external_encoding.should be_nil
+ end
+ end
+
+ it "sets no internal encoding for the write end" do
+ IO.pipe(Encoding::UTF_8) do |r, w|
+ w.external_encoding.should be_nil
+ end
+ end
+end
diff --git a/spec/ruby/core/io/popen_spec.rb b/spec/ruby/core/io/popen_spec.rb
new file mode 100644
index 0000000000..6043862614
--- /dev/null
+++ b/spec/ruby/core/io/popen_spec.rb
@@ -0,0 +1,287 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative '../process/fixtures/common'
+
+describe "IO.popen" do
+ ProcessSpecs.use_system_ruby(self)
+
+ before :each do
+ @fname = tmp("IO_popen_spec")
+ @io = nil
+ @var = "$FOO"
+ platform_is :windows do
+ @var = "%FOO%"
+ end
+ end
+
+ after :each do
+ @io.close if @io and !@io.closed?
+ rm_r @fname
+ end
+
+ it "returns an open IO" do
+ @io = IO.popen(ruby_cmd('exit'), "r")
+ @io.closed?.should be_false
+ end
+
+ it "reads a read-only pipe" do
+ @io = IO.popen('echo foo', "r")
+ @io.read.should == "foo\n"
+ end
+
+ it "raises IOError when writing a read-only pipe" do
+ @io = IO.popen('echo foo', "r")
+ -> { @io.write('bar') }.should raise_error(IOError)
+ @io.read.should == "foo\n"
+ end
+
+ it "sees an infinitely looping subprocess exit when read pipe is closed" do
+ io = IO.popen ruby_cmd('r = loop{puts "y"; 0} rescue 1; exit r'), 'r'
+ io.close
+
+ $?.exitstatus.should_not == 0
+ end
+
+ it "writes to a write-only pipe" do
+ @io = IO.popen(ruby_cmd('IO.copy_stream(STDIN,STDOUT)', args: "> #{@fname}"), "w")
+ @io.write("bar")
+ @io.close
+
+ File.read(@fname).should == "bar"
+ end
+
+ it "raises IOError when reading a write-only pipe" do
+ @io = IO.popen(ruby_cmd('IO.copy_stream(STDIN,STDOUT)'), "w")
+ -> { @io.read }.should raise_error(IOError)
+ end
+
+ it "reads and writes a read/write pipe" do
+ @io = IO.popen(ruby_cmd('IO.copy_stream(STDIN,STDOUT)'), "r+")
+ @io.write("bar")
+ @io.read(3).should == "bar"
+ end
+
+ it "waits for the child to finish" do
+ @io = IO.popen(ruby_cmd('IO.copy_stream(STDIN,STDOUT)', args: "> #{@fname}"), "w")
+ @io.write("bar")
+ @io.close
+
+ $?.exitstatus.should == 0
+
+ File.read(@fname).should == "bar"
+ end
+
+ it "does not throw an exception if child exited and has been waited for" do
+ @io = IO.popen([*ruby_exe, '-e', 'sleep'])
+ pid = @io.pid
+ Process.kill "KILL", pid
+ @io.close
+ platform_is_not :windows do
+ $?.should.signaled?
+ end
+ platform_is :windows do
+ $?.should.exited?
+ end
+ end
+
+ it "returns an instance of a subclass when called on a subclass" do
+ @io = IOSpecs::SubIO.popen(ruby_cmd('exit'), "r")
+ @io.should be_an_instance_of(IOSpecs::SubIO)
+ end
+
+ it "coerces mode argument with #to_str" do
+ mode = mock("mode")
+ mode.should_receive(:to_str).and_return("r")
+ @io = IO.popen(ruby_cmd('exit 0'), mode)
+ end
+
+ it "accepts a path using the chdir: keyword argument" do
+ path = File.dirname(@fname)
+
+ @io = IO.popen(ruby_cmd("puts Dir.pwd"), "r", chdir: path)
+ @io.read.chomp.should == path
+ end
+
+ it "accepts a path using the chdir: keyword argument and a coercible path" do
+ path = File.dirname(@fname)
+ object = mock("path")
+ object.should_receive(:to_path).and_return(path)
+
+ @io = IO.popen(ruby_cmd("puts Dir.pwd"), "r", chdir: object)
+ @io.read.chomp.should == path
+ end
+
+ describe "with a block" do
+ it "yields an open IO to the block" do
+ IO.popen(ruby_cmd('exit'), "r") do |io|
+ io.closed?.should be_false
+ end
+ end
+
+ it "yields an instance of a subclass when called on a subclass" do
+ IOSpecs::SubIO.popen(ruby_cmd('exit'), "r") do |io|
+ io.should be_an_instance_of(IOSpecs::SubIO)
+ end
+ end
+
+ it "closes the IO after yielding" do
+ io = IO.popen(ruby_cmd('exit'), "r") { |_io| _io }
+ io.closed?.should be_true
+ end
+
+ it "allows the IO to be closed inside the block" do
+ io = IO.popen(ruby_cmd('exit'), 'r') { |_io| _io.close; _io }
+ io.closed?.should be_true
+ end
+
+ it "returns the value of the block" do
+ IO.popen(ruby_cmd('exit'), "r") { :hello }.should == :hello
+ end
+ end
+
+ platform_is_not :windows do
+ it "starts returns a forked process if the command is -" do
+ io = IO.popen("-")
+
+ if io # parent
+ begin
+ io.gets.should == "hello from child\n"
+ ensure
+ io.close
+ end
+ else # child
+ puts "hello from child"
+ exit!
+ end
+ end
+ end
+
+ it "has the given external encoding" do
+ @io = IO.popen(ruby_cmd('exit'), external_encoding: Encoding::EUC_JP)
+ @io.external_encoding.should == Encoding::EUC_JP
+ end
+
+ it "has the given internal encoding" do
+ @io = IO.popen(ruby_cmd('exit'), internal_encoding: Encoding::EUC_JP)
+ @io.internal_encoding.should == Encoding::EUC_JP
+ end
+
+ it "sets the internal encoding to nil if it's the same as the external encoding" do
+ @io = IO.popen(ruby_cmd('exit'), external_encoding: Encoding::EUC_JP,
+ internal_encoding: Encoding::EUC_JP)
+ @io.internal_encoding.should be_nil
+ end
+
+ context "with a leading ENV Hash" do
+ it "accepts a single String command" do
+ IO.popen({"FOO" => "bar"}, "echo #{@var}") do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts a single String command, and an IO mode" do
+ IO.popen({"FOO" => "bar"}, "echo #{@var}", "r") do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts a single String command with a trailing Hash of Process.exec options" do
+ IO.popen({"FOO" => "bar"}, ruby_cmd('STDERR.puts ENV["FOO"]'),
+ err: [:child, :out]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts a single String command with a trailing Hash of Process.exec options, and an IO mode" do
+ IO.popen({"FOO" => "bar"}, ruby_cmd('STDERR.puts ENV["FOO"]'), "r",
+ err: [:child, :out]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts an Array of command and arguments" do
+ exe, *args = ruby_exe
+ IO.popen({"FOO" => "bar"}, [[exe, "specfu"], *args, "-e", "puts ENV['FOO']"]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts an Array of command and arguments, and an IO mode" do
+ exe, *args = ruby_exe
+ IO.popen({"FOO" => "bar"}, [[exe, "specfu"], *args, "-e", "puts ENV['FOO']"], "r") do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts an Array command with a separate trailing Hash of Process.exec options" do
+ IO.popen({"FOO" => "bar"}, [*ruby_exe, "-e", "STDERR.puts ENV['FOO']"],
+ err: [:child, :out]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts an Array command with a separate trailing Hash of Process.exec options, and an IO mode" do
+ IO.popen({"FOO" => "bar"}, [*ruby_exe, "-e", "STDERR.puts ENV['FOO']"],
+ "r", err: [:child, :out]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+ end
+
+ context "with a leading Array argument" do
+ it "uses the Array as command plus args for the child process" do
+ IO.popen([*ruby_exe, "-e", "puts 'hello'"]) do |io|
+ io.read.should == "hello\n"
+ end
+ end
+
+ it "accepts a leading ENV Hash" do
+ IO.popen([{"FOO" => "bar"}, *ruby_exe, "-e", "puts ENV['FOO']"]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts a trailing Hash of Process.exec options" do
+ IO.popen([*ruby_exe, "does_not_exist", {err: [:child, :out]}]) do |io|
+ io.read.should =~ /LoadError/
+ end
+ end
+
+ it "accepts an IO mode argument following the Array" do
+ IO.popen([*ruby_exe, "does_not_exist", {err: [:child, :out]}], "r") do |io|
+ io.read.should =~ /LoadError/
+ end
+ end
+
+ it "accepts [env, command, arg1, arg2, ..., exec options]" do
+ IO.popen([{"FOO" => "bar"}, *ruby_exe, "-e", "STDERR.puts ENV[:FOO.to_s]",
+ err: [:child, :out]]) do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts '[env, command, arg1, arg2, ..., exec options], mode'" do
+ IO.popen([{"FOO" => "bar"}, *ruby_exe, "-e", "STDERR.puts ENV[:FOO.to_s]",
+ err: [:child, :out]], "r") do |io|
+ io.read.should == "bar\n"
+ end
+ end
+
+ it "accepts '[env, command, arg1, arg2, ..., exec options], mode, IO options'" do
+ IO.popen([{"FOO" => "bar"}, *ruby_exe, "-e", "STDERR.puts ENV[:FOO.to_s]",
+ err: [:child, :out]], "r",
+ internal_encoding: Encoding::EUC_JP) do |io|
+ io.read.should == "bar\n"
+ io.internal_encoding.should == Encoding::EUC_JP
+ end
+ end
+
+ it "accepts '[env, command, arg1, arg2, ...], mode, IO + exec options'" do
+ IO.popen([{"FOO" => "bar"}, *ruby_exe, "-e", "STDERR.puts ENV[:FOO.to_s]"], "r",
+ err: [:child, :out], internal_encoding: Encoding::EUC_JP) do |io|
+ io.read.should == "bar\n"
+ io.internal_encoding.should == Encoding::EUC_JP
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/pos_spec.rb b/spec/ruby/core/io/pos_spec.rb
new file mode 100644
index 0000000000..e6cda2643d
--- /dev/null
+++ b/spec/ruby/core/io/pos_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/pos'
+
+describe "IO#pos" do
+ it_behaves_like :io_pos, :pos
+end
+
+describe "IO#pos=" do
+ it_behaves_like :io_set_pos, :pos=
+end
diff --git a/spec/ruby/core/io/pread_spec.rb b/spec/ruby/core/io/pread_spec.rb
new file mode 100644
index 0000000000..dc7bcedf3e
--- /dev/null
+++ b/spec/ruby/core/io/pread_spec.rb
@@ -0,0 +1,140 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+
+guard -> { platform_is_not :windows or ruby_version_is "3.3" } do
+ describe "IO#pread" do
+ before :each do
+ @fname = tmp("io_pread.txt")
+ @contents = "1234567890"
+ touch(@fname) { |f| f.write @contents }
+ @file = File.open(@fname, "r+")
+ end
+
+ after :each do
+ @file.close
+ rm_r @fname
+ end
+
+ it "accepts a length, and an offset" do
+ @file.pread(4, 0).should == "1234"
+ @file.pread(3, 4).should == "567"
+ end
+
+ it "accepts a length, an offset, and an output buffer" do
+ buffer = +"foo"
+ @file.pread(3, 4, buffer).should.equal?(buffer)
+ buffer.should == "567"
+ end
+
+ it "shrinks the buffer in case of less bytes read" do
+ buffer = +"foo"
+ @file.pread(1, 0, buffer)
+ buffer.should == "1"
+ end
+
+ it "grows the buffer in case of more bytes read" do
+ buffer = +"foo"
+ @file.pread(5, 0, buffer)
+ buffer.should == "12345"
+ end
+
+ it "preserves the encoding of the given buffer" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ @file.pread(10, 0, buffer)
+
+ buffer.encoding.should == Encoding::ISO_8859_1
+ end
+
+ it "does not advance the file pointer" do
+ @file.pread(4, 0).should == "1234"
+ @file.read.should == "1234567890"
+ end
+
+ it "ignores the current offset" do
+ @file.pos = 3
+ @file.pread(4, 0).should == "1234"
+ end
+
+ it "returns an empty string for maxlen = 0" do
+ @file.pread(0, 4).should == ""
+ end
+
+ it "returns a buffer for maxlen = 0 when buffer specified" do
+ buffer = +"foo"
+ @file.pread(0, 4, buffer).should.equal?(buffer)
+ buffer.should == "foo"
+ end
+
+ it "ignores the offset for maxlen = 0, even if it is out of file bounds" do
+ @file.pread(0, 400).should == ""
+ end
+
+ it "does not reset the buffer when reading with maxlen = 0" do
+ buffer = +"foo"
+ @file.pread(0, 4, buffer)
+ buffer.should == "foo"
+
+ @file.pread(0, 400, buffer)
+ buffer.should == "foo"
+ end
+
+ it "converts maxlen to Integer using #to_int" do
+ maxlen = mock('maxlen')
+ maxlen.should_receive(:to_int).and_return(4)
+ @file.pread(maxlen, 0).should == "1234"
+ end
+
+ it "converts offset to Integer using #to_int" do
+ offset = mock('offset')
+ offset.should_receive(:to_int).and_return(0)
+ @file.pread(4, offset).should == "1234"
+ end
+
+ it "converts a buffer to String using to_str" do
+ buffer = mock('buffer')
+ buffer.should_receive(:to_str).at_least(1).and_return(+"foo")
+ @file.pread(4, 0, buffer)
+ buffer.should_not.is_a?(String)
+ buffer.to_str.should == "1234"
+ end
+
+ it "raises TypeError if maxlen is not an Integer and cannot be coerced into Integer" do
+ maxlen = Object.new
+ -> { @file.pread(maxlen, 0) }.should raise_error(TypeError, 'no implicit conversion of Object into Integer')
+ end
+
+ it "raises TypeError if offset is not an Integer and cannot be coerced into Integer" do
+ offset = Object.new
+ -> { @file.pread(4, offset) }.should raise_error(TypeError, 'no implicit conversion of Object into Integer')
+ end
+
+ it "raises ArgumentError for negative values of maxlen" do
+ -> { @file.pread(-4, 0) }.should raise_error(ArgumentError, 'negative string size (or size too big)')
+ end
+
+ it "raised Errno::EINVAL for negative values of offset" do
+ -> { @file.pread(4, -1) }.should raise_error(Errno::EINVAL, /Invalid argument/)
+ end
+
+ it "raises TypeError if the buffer is not a String and cannot be coerced into String" do
+ buffer = Object.new
+ -> { @file.pread(4, 0, buffer) }.should raise_error(TypeError, 'no implicit conversion of Object into String')
+ end
+
+ it "raises EOFError if end-of-file is reached" do
+ -> { @file.pread(1, 10) }.should raise_error(EOFError)
+ end
+
+ it "raises IOError when file is not open in read mode" do
+ File.open(@fname, "w") do |file|
+ -> { file.pread(1, 1) }.should raise_error(IOError)
+ end
+ end
+
+ it "raises IOError when file is closed" do
+ file = File.open(@fname, "r+")
+ file.close
+ -> { file.pread(1, 1) }.should raise_error(IOError)
+ end
+ end
+end
diff --git a/spec/ruby/core/io/print_spec.rb b/spec/ruby/core/io/print_spec.rb
new file mode 100644
index 0000000000..085852024c
--- /dev/null
+++ b/spec/ruby/core/io/print_spec.rb
@@ -0,0 +1,66 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#print" do
+ before :each do
+ @old_record_separator = $\
+ @old_field_separator = $,
+ suppress_warning {
+ $\ = '->'
+ $, = '^^'
+ }
+ @name = tmp("io_print")
+ end
+
+ after :each do
+ suppress_warning {
+ $\ = @old_record_separator
+ $, = @old_field_separator
+ }
+ rm_r @name
+ end
+
+ it "returns nil" do
+ touch(@name) { |f| f.print.should be_nil }
+ end
+
+ it "writes $_.to_s followed by $\\ (if any) to the stream if no arguments given" do
+ o = mock('o')
+ o.should_receive(:to_s).and_return("mockmockmock")
+ $_ = o
+
+ touch(@name) { |f| f.print }
+ IO.read(@name).should == "mockmockmock#{$\}"
+
+ # Set $_ to something known
+ string = File.open(__FILE__) {|f| f.gets }
+
+ touch(@name) { |f| f.print }
+ IO.read(@name).should == "#{string}#{$\}"
+ end
+
+ it "calls obj.to_s and not obj.to_str then writes the record separator" do
+ o = mock('o')
+ o.should_not_receive(:to_str)
+ o.should_receive(:to_s).and_return("hello")
+
+ touch(@name) { |f| f.print(o) }
+
+ IO.read(@name).should == "hello#{$\}"
+ end
+
+ it "writes each obj.to_s to the stream separated by $, (if any) and appends $\\ (if any) given multiple objects" do
+ o, o2 = Object.new, Object.new
+ def o.to_s(); 'o'; end
+ def o2.to_s(); 'o2'; end
+
+ suppress_warning {
+ touch(@name) { |f| f.print(o, o2) }
+ }
+ IO.read(@name).should == "#{o.to_s}#{$,}#{o2.to_s}#{$\}"
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.print("stuff") }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/printf_spec.rb b/spec/ruby/core/io/printf_spec.rb
new file mode 100644
index 0000000000..baa00f14ce
--- /dev/null
+++ b/spec/ruby/core/io/printf_spec.rb
@@ -0,0 +1,32 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#printf" do
+ before :each do
+ @name = tmp("io_printf.txt")
+ @io = new_io @name
+ @io.sync = true
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "calls #to_str to convert the format object to a String" do
+ obj = mock("printf format")
+ obj.should_receive(:to_str).and_return("%s")
+
+ @io.printf obj, "printf"
+ File.read(@name).should == "printf"
+ end
+
+ it "writes the #sprintf formatted string" do
+ @io.printf "%d %s", 5, "cookies"
+ File.read(@name).should == "5 cookies"
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.printf("stuff") }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/putc_spec.rb b/spec/ruby/core/io/putc_spec.rb
new file mode 100644
index 0000000000..73473ad821
--- /dev/null
+++ b/spec/ruby/core/io/putc_spec.rb
@@ -0,0 +1,11 @@
+require_relative '../../spec_helper'
+require_relative '../../shared/io/putc'
+
+describe "IO#putc" do
+ before :each do
+ @name = tmp("io_putc.txt")
+ @io_object = @io = new_io(@name)
+ end
+
+ it_behaves_like :io_putc, :putc
+end
diff --git a/spec/ruby/core/io/puts_spec.rb b/spec/ruby/core/io/puts_spec.rb
new file mode 100644
index 0000000000..a186ddaa5d
--- /dev/null
+++ b/spec/ruby/core/io/puts_spec.rb
@@ -0,0 +1,139 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#puts" do
+ before :each do
+ @before_separator = $/
+ @name = tmp("io_puts.txt")
+ @io = new_io @name
+ ScratchPad.record(+"")
+ def @io.write(str)
+ ScratchPad << str
+ end
+ end
+
+ after :each do
+ ScratchPad.clear
+ @io.close if @io
+ rm_r @name
+ suppress_warning {$/ = @before_separator}
+ end
+
+ it "writes just a newline when given no args" do
+ @io.puts.should == nil
+ ScratchPad.recorded.should == "\n"
+ end
+
+ it "writes just a newline when given just a newline" do
+ -> { $stdout.puts "\n" }.should output_to_fd("\n", $stdout)
+ end
+
+ it "writes empty string with a newline when given nil as an arg" do
+ @io.puts(nil).should == nil
+ ScratchPad.recorded.should == "\n"
+ end
+
+ it "writes empty string with a newline when given nil as multiple args" do
+ @io.puts(nil, nil).should == nil
+ ScratchPad.recorded.should == "\n\n"
+ end
+
+ it "calls :to_ary before writing non-string objects, regardless of it being implemented in the receiver" do
+ object = mock('hola')
+ object.should_receive(:method_missing).with(:to_ary)
+ object.should_receive(:to_s).and_return("#<Object:0x...>")
+
+ @io.puts(object).should == nil
+ ScratchPad.recorded.should == "#<Object:0x...>\n"
+ end
+
+ it "calls :to_ary before writing non-string objects" do
+ object = mock('hola')
+ object.should_receive(:to_ary).and_return(["hola"])
+
+ @io.puts(object).should == nil
+ ScratchPad.recorded.should == "hola\n"
+ end
+
+ it "calls :to_s before writing non-string objects that don't respond to :to_ary" do
+ object = mock('hola')
+ object.should_receive(:to_s).and_return("hola")
+
+ @io.puts(object).should == nil
+ ScratchPad.recorded.should == "hola\n"
+ end
+
+ it "returns general object info if :to_s does not return a string" do
+ object = mock('hola')
+ object.should_receive(:to_s).and_return(false)
+
+ @io.puts(object).should == nil
+ ScratchPad.recorded.should == object.inspect.split(" ")[0] + ">\n"
+ end
+
+ it "writes each arg if given several" do
+ @io.puts(1, "two", 3).should == nil
+ ScratchPad.recorded.should == "1\ntwo\n3\n"
+ end
+
+ it "flattens a nested array before writing it" do
+ @io.puts([1, 2, [3]]).should == nil
+ ScratchPad.recorded.should == "1\n2\n3\n"
+ end
+
+ it "writes nothing for an empty array" do
+ x = []
+ @io.should_not_receive(:write)
+ @io.puts(x).should == nil
+ end
+
+ it "writes [...] for a recursive array arg" do
+ x = []
+ x << 2 << x
+ @io.puts(x).should == nil
+ ScratchPad.recorded.should == "2\n[...]\n"
+ end
+
+ it "writes a newline after objects that do not end in newlines" do
+ @io.puts(5).should == nil
+ ScratchPad.recorded.should == "5\n"
+ end
+
+ it "does not write a newline after objects that end in newlines" do
+ @io.puts("5\n").should == nil
+ ScratchPad.recorded.should == "5\n"
+ end
+
+ it "ignores the $/ separator global" do
+ suppress_warning {$/ = ":"}
+ @io.puts(5).should == nil
+ ScratchPad.recorded.should == "5\n"
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.puts("stuff") }.should raise_error(IOError)
+ end
+
+ it "writes crlf when IO is opened with newline: :crlf" do
+ File.open(@name, 'wt', newline: :crlf) do |file|
+ file.puts
+ end
+ File.binread(@name).should == "\r\n"
+ end
+
+ it "writes cr when IO is opened with newline: :cr" do
+ File.open(@name, 'wt', newline: :cr) do |file|
+ file.puts
+ end
+ File.binread(@name).should == "\r"
+ end
+
+ platform_is_not :windows do # https://bugs.ruby-lang.org/issues/12436
+ it "writes lf when IO is opened with newline: :lf" do
+ File.open(@name, 'wt', newline: :lf) do |file|
+ file.puts
+ end
+ File.binread(@name).should == "\n"
+ end
+ end
+end
diff --git a/spec/ruby/core/io/pwrite_spec.rb b/spec/ruby/core/io/pwrite_spec.rb
new file mode 100644
index 0000000000..2bc508b37d
--- /dev/null
+++ b/spec/ruby/core/io/pwrite_spec.rb
@@ -0,0 +1,69 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+
+guard -> { platform_is_not :windows or ruby_version_is "3.3" } do
+ describe "IO#pwrite" do
+ before :each do
+ @fname = tmp("io_pwrite.txt")
+ @file = File.open(@fname, "w+")
+ end
+
+ after :each do
+ @file.close
+ rm_r @fname
+ end
+
+ it "returns the number of bytes written" do
+ @file.pwrite("foo", 0).should == 3
+ end
+
+ it "accepts a string and an offset" do
+ @file.pwrite("foo", 2)
+ @file.pread(3, 2).should == "foo"
+ end
+
+ it "does not advance the pointer in the file" do
+ @file.pwrite("bar", 3)
+ @file.write("foo")
+ @file.pread(6, 0).should == "foobar"
+ end
+
+ it "calls #to_s on the object to be written" do
+ object = mock("to_s")
+ object.should_receive(:to_s).and_return("foo")
+ @file.pwrite(object, 0)
+ @file.pread(3, 0).should == "foo"
+ end
+
+ it "calls #to_int on the offset" do
+ offset = mock("to_int")
+ offset.should_receive(:to_int).and_return(2)
+ @file.pwrite("foo", offset)
+ @file.pread(3, 2).should == "foo"
+ end
+
+ it "raises IOError when file is not open in write mode" do
+ File.open(@fname, "r") do |file|
+ -> { file.pwrite("foo", 1) }.should raise_error(IOError, "not opened for writing")
+ end
+ end
+
+ it "raises IOError when file is closed" do
+ file = File.open(@fname, "w+")
+ file.close
+ -> { file.pwrite("foo", 1) }.should raise_error(IOError, "closed stream")
+ end
+
+ it "raises a NoMethodError if object does not respond to #to_s" do
+ -> {
+ @file.pwrite(BasicObject.new, 0)
+ }.should raise_error(NoMethodError, /undefined method [`']to_s'/)
+ end
+
+ it "raises a TypeError if the offset cannot be converted to an Integer" do
+ -> {
+ @file.pwrite("foo", Object.new)
+ }.should raise_error(TypeError, "no implicit conversion of Object into Integer")
+ end
+ end
+end
diff --git a/spec/ruby/core/io/read_nonblock_spec.rb b/spec/ruby/core/io/read_nonblock_spec.rb
new file mode 100644
index 0000000000..51e7cd6bd2
--- /dev/null
+++ b/spec/ruby/core/io/read_nonblock_spec.rb
@@ -0,0 +1,148 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#read_nonblock" do
+ before :each do
+ @read, @write = IO.pipe
+ end
+
+ after :each do
+ @read.close if @read && !@read.closed?
+ @write.close if @write && !@write.closed?
+ end
+
+ it "raises an exception extending IO::WaitReadable when there is no data" do
+ -> { @read.read_nonblock(5) }.should raise_error(IO::WaitReadable) { |e|
+ platform_is_not :windows do
+ e.should be_kind_of(Errno::EAGAIN)
+ end
+ platform_is :windows do
+ e.should be_kind_of(Errno::EWOULDBLOCK)
+ end
+ }
+ end
+
+ context "when exception option is set to false" do
+ context "when there is no data" do
+ it "returns :wait_readable" do
+ @read.read_nonblock(5, exception: false).should == :wait_readable
+ end
+ end
+
+ context "when the end is reached" do
+ it "returns nil" do
+ @write << "hello"
+ @write.close
+
+ @read.read_nonblock(5)
+
+ @read.read_nonblock(5, exception: false).should be_nil
+ end
+ end
+ end
+
+ platform_is_not :windows do
+ it 'sets the IO in nonblock mode' do
+ require 'io/nonblock'
+ @write.write "abc"
+ @read.read_nonblock(1).should == "a"
+ @read.should.nonblock?
+ end
+ end
+
+ it "returns at most the number of bytes requested" do
+ @write << "hello"
+ @read.read_nonblock(4).should == "hell"
+ end
+
+ it "reads after ungetc with data in the buffer" do
+ @write.write("foobar")
+ @read.set_encoding(
+ 'utf-8', universal_newline: false
+ )
+ c = @read.getc
+ @read.ungetc(c)
+ @read.read_nonblock(3).should == "foo"
+ @read.read_nonblock(3).should == "bar"
+ end
+
+ it "raises an exception after ungetc with data in the buffer and character conversion enabled" do
+ @write.write("foobar")
+ @read.set_encoding(
+ 'utf-8', universal_newline: true
+ )
+ c = @read.getc
+ @read.ungetc(c)
+ -> { @read.read_nonblock(3).should == "foo" }.should raise_error(IOError)
+ end
+
+ it "returns less data if that is all that is available" do
+ @write << "hello"
+ @read.read_nonblock(10).should == "hello"
+ end
+
+ it "allows for reading 0 bytes before any write" do
+ @read.read_nonblock(0).should == ""
+ end
+
+ it "allows for reading 0 bytes after a write" do
+ @write.write "1"
+ @read.read_nonblock(0).should == ""
+ @read.read_nonblock(1).should == "1"
+ end
+
+ it "raises ArgumentError when length is less than 0" do
+ -> { @read.read_nonblock(-1) }.should raise_error(ArgumentError)
+ end
+
+ it "reads into the passed buffer" do
+ buffer = +""
+ @write.write("1")
+ @read.read_nonblock(1, buffer)
+ buffer.should == "1"
+ end
+
+ it "returns the passed buffer" do
+ buffer = +""
+ @write.write("1")
+ output = @read.read_nonblock(1, buffer)
+ output.should equal(buffer)
+ end
+
+ it "discards the existing buffer content upon successful read" do
+ buffer = +"existing content"
+ @write.write("hello world")
+ @write.close
+ @read.read_nonblock(11, buffer)
+ buffer.should == "hello world"
+ end
+
+ it "discards the existing buffer content upon error" do
+ buffer = +"existing content"
+ @write.close
+ -> { @read.read_nonblock(1, buffer) }.should raise_error(EOFError)
+ buffer.should be_empty
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.read_nonblock(5) }.should raise_error(IOError)
+ end
+
+ it "raises EOFError when the end is reached" do
+ @write << "hello"
+ @write.close
+
+ @read.read_nonblock(5)
+
+ -> { @read.read_nonblock(5) }.should raise_error(EOFError)
+ end
+
+ it "preserves the encoding of the given buffer" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ @write.write("abc")
+ @write.close
+ @read.read_nonblock(10, buffer)
+
+ buffer.encoding.should == Encoding::ISO_8859_1
+ end
+end
diff --git a/spec/ruby/core/io/read_spec.rb b/spec/ruby/core/io/read_spec.rb
new file mode 100644
index 0000000000..988ec2ce30
--- /dev/null
+++ b/spec/ruby/core/io/read_spec.rb
@@ -0,0 +1,757 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO.read" do
+ before :each do
+ @fname = tmp("io_read.txt")
+ @contents = "1234567890"
+ touch(@fname) { |f| f.write @contents }
+ end
+
+ after :each do
+ rm_r @fname
+ end
+
+ it "reads the contents of a file" do
+ IO.read(@fname).should == @contents
+ end
+
+ it "calls #to_path on non-String arguments" do
+ p = mock('path')
+ p.should_receive(:to_path).and_return(@fname)
+ IO.read(p)
+ end
+
+ # https://bugs.ruby-lang.org/issues/19354
+ it "accepts options as keyword arguments" do
+ IO.read(@fname, 3, 0, mode: "r+").should == @contents[0, 3]
+
+ -> {
+ IO.read(@fname, 3, 0, {mode: "r+"})
+ }.should raise_error(ArgumentError, /wrong number of arguments/)
+ end
+
+ it "accepts an empty options Hash" do
+ IO.read(@fname, **{}).should == @contents
+ end
+
+ it "accepts a length, and empty options Hash" do
+ IO.read(@fname, 3, **{}).should == @contents[0, 3]
+ end
+
+ it "accepts a length, offset, and empty options Hash" do
+ IO.read(@fname, 3, 0, **{}).should == @contents[0, 3]
+ end
+
+ it "raises an IOError if the options Hash specifies write mode" do
+ -> { IO.read(@fname, 3, 0, mode: "w") }.should raise_error(IOError)
+ end
+
+ it "raises an IOError if the options Hash specifies append only mode" do
+ -> { IO.read(@fname, mode: "a") }.should raise_error(IOError)
+ end
+
+ it "reads the file if the options Hash includes read mode" do
+ IO.read(@fname, mode: "r").should == @contents
+ end
+
+ it "reads the file if the options Hash includes read/write mode" do
+ IO.read(@fname, mode: "r+").should == @contents
+ end
+
+ it "reads the file if the options Hash includes read/write append mode" do
+ IO.read(@fname, mode: "a+").should == @contents
+ end
+
+ platform_is_not :windows do
+ ruby_version_is ""..."3.3" do
+ it "uses an :open_args option" do
+ string = IO.read(@fname, nil, 0, open_args: ["r", nil, {encoding: Encoding::US_ASCII}])
+ string.encoding.should == Encoding::US_ASCII
+
+ string = IO.read(@fname, nil, 0, open_args: ["r", nil, {}])
+ string.encoding.should == Encoding::UTF_8
+ end
+ end
+ end
+
+ it "disregards other options if :open_args is given" do
+ string = IO.read(@fname,mode: "w", encoding: Encoding::UTF_32LE, open_args: ["r", encoding: Encoding::UTF_8])
+ string.encoding.should == Encoding::UTF_8
+ end
+
+ it "doesn't require mode to be specified in :open_args" do
+ string = IO.read(@fname, nil, 0, open_args: [{encoding: Encoding::US_ASCII}])
+ string.encoding.should == Encoding::US_ASCII
+ end
+
+ it "doesn't require mode to be specified in :open_args even if flags option passed" do
+ string = IO.read(@fname, nil, 0, open_args: [{encoding: Encoding::US_ASCII, flags: File::CREAT}])
+ string.encoding.should == Encoding::US_ASCII
+ end
+
+ it "treats second nil argument as no length limit" do
+ IO.read(@fname, nil).should == @contents
+ IO.read(@fname, nil, 5).should == IO.read(@fname, @contents.length, 5)
+ end
+
+ it "treats third nil argument as 0" do
+ IO.read(@fname, nil, nil).should == @contents
+ IO.read(@fname, 5, nil).should == IO.read(@fname, 5, 0)
+ end
+
+ it "reads the contents of a file up to a certain size when specified" do
+ IO.read(@fname, 5).should == @contents.slice(0..4)
+ end
+
+ it "reads the contents of a file from an offset of a specific size when specified" do
+ IO.read(@fname, 5, 3).should == @contents.slice(3, 5)
+ end
+
+ it "returns nil at end-of-file when length is passed" do
+ IO.read(@fname, 1, 10).should == nil
+ end
+
+ it "returns an empty string when reading zero bytes" do
+ IO.read(@fname, 0).should == ''
+ end
+
+ it "returns a String in BINARY when passed a size" do
+ IO.read(@fname, 1).encoding.should == Encoding::BINARY
+ IO.read(@fname, 0).encoding.should == Encoding::BINARY
+ end
+
+ it "raises an Errno::ENOENT when the requested file does not exist" do
+ rm_r @fname
+ -> { IO.read @fname }.should raise_error(Errno::ENOENT)
+ end
+
+ it "raises a TypeError when not passed a String type" do
+ -> { IO.read nil }.should raise_error(TypeError)
+ end
+
+ it "raises an ArgumentError when not passed a valid length" do
+ -> { IO.read @fname, -1 }.should raise_error(ArgumentError)
+ end
+
+ ruby_version_is ''...'3.3' do
+ it "raises an Errno::EINVAL when not passed a valid offset" do
+ -> { IO.read @fname, 0, -1 }.should raise_error(Errno::EINVAL)
+ -> { IO.read @fname, -1, -1 }.should raise_error(Errno::EINVAL)
+ end
+ end
+
+ ruby_version_is '3.3' do
+ it "raises an ArgumentError when not passed a valid offset" do
+ -> { IO.read @fname, 0, -1 }.should raise_error(ArgumentError)
+ -> { IO.read @fname, -1, -1 }.should raise_error(ArgumentError)
+ end
+ end
+
+ it "uses the external encoding specified via the :external_encoding option" do
+ str = IO.read(@fname, external_encoding: Encoding::ISO_8859_1)
+ str.encoding.should == Encoding::ISO_8859_1
+ end
+
+ it "uses the external encoding specified via the :encoding option" do
+ str = IO.read(@fname, encoding: Encoding::ISO_8859_1)
+ str.encoding.should == Encoding::ISO_8859_1
+ end
+
+ platform_is :windows do
+ it "reads the file in text mode" do
+ # 0x1A is CTRL+Z and is EOF in Windows text mode.
+ File.binwrite(@fname, "\x1Abbb")
+ IO.read(@fname).should.empty?
+ end
+ end
+end
+
+ruby_version_is ""..."4.0" do
+ describe "IO.read from a pipe" do
+ it "runs the rest as a subprocess and returns the standard output" do
+ cmd = "|sh -c 'echo hello'"
+ platform_is :windows do
+ cmd = "|cmd.exe /C echo hello"
+ end
+
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.read(cmd).should == "hello\n"
+ end
+ end
+
+ platform_is_not :windows do
+ it "opens a pipe to a fork if the rest is -" do
+ str = nil
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ str = IO.read("|-")
+ end
+
+ if str # parent
+ str.should == "hello from child\n"
+ else #child
+ puts "hello from child"
+ exit!
+ end
+ end
+ end
+
+ it "reads only the specified number of bytes requested" do
+ cmd = "|sh -c 'echo hello'"
+ platform_is :windows do
+ cmd = "|cmd.exe /C echo hello"
+ end
+
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.read(cmd, 1).should == "h"
+ end
+ end
+
+ platform_is_not :windows do
+ it "raises Errno::ESPIPE if passed an offset" do
+ -> {
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.read("|sh -c 'echo hello'", 1, 1)
+ end
+ }.should raise_error(Errno::ESPIPE)
+ end
+ end
+
+ quarantine! do # The process tried to write to a nonexistent pipe.
+ platform_is :windows do
+ # TODO: It should raise Errno::ESPIPE on Windows as well
+ # once https://bugs.ruby-lang.org/issues/12230 is fixed.
+ it "raises Errno::EINVAL if passed an offset" do
+ -> {
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ IO.read("|cmd.exe /C echo hello", 1, 1)
+ end
+ }.should raise_error(Errno::EINVAL)
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ # https://bugs.ruby-lang.org/issues/19630
+ it "warns about deprecation" do
+ cmd = "|echo ok"
+ -> {
+ IO.read(cmd)
+ }.should complain(/IO process creation with a leading '\|'/)
+ end
+ end
+ end
+end
+
+describe "IO.read on an empty file" do
+ before :each do
+ @fname = tmp("io_read_empty.txt")
+ touch(@fname)
+ end
+
+ after :each do
+ rm_r @fname
+ end
+
+ it "returns nil when length is passed" do
+ IO.read(@fname, 1).should == nil
+ end
+
+ it "returns an empty string when no length is passed" do
+ IO.read(@fname).should == ""
+ end
+end
+
+describe "IO#read" do
+
+ before :each do
+ @fname = tmp("io_read.txt")
+ @contents = "1234567890"
+ touch(@fname) { |f| f.write @contents }
+
+ @io = open @fname, "r+"
+ end
+
+ after :each do
+ @io.close
+ rm_r @fname
+ end
+
+ it "can be read from consecutively" do
+ @io.read(1).should == '1'
+ @io.read(2).should == '23'
+ @io.read(3).should == '456'
+ @io.read(4).should == '7890'
+ end
+
+ it "treats first nil argument as no length limit" do
+ @io.read(nil).should == @contents
+ end
+
+ it "raises an ArgumentError when not passed a valid length" do
+ -> { @io.read(-1) }.should raise_error(ArgumentError)
+ end
+
+ it "clears the output buffer if there is nothing to read" do
+ @io.pos = 10
+
+ buf = +'non-empty string'
+
+ @io.read(10, buf).should == nil
+
+ buf.should == ''
+
+ buf = +'non-empty string'
+
+ @io.read(nil, buf).should == ""
+
+ buf.should == ''
+
+ buf = +'non-empty string'
+
+ @io.read(0, buf).should == ""
+
+ buf.should == ''
+ end
+
+ it "raise FrozenError if the output buffer is frozen" do
+ @io.read
+ -> { @io.read(0, 'frozen-string'.freeze) }.should raise_error(FrozenError)
+ -> { @io.read(1, 'frozen-string'.freeze) }.should raise_error(FrozenError)
+ -> { @io.read(nil, 'frozen-string'.freeze) }.should raise_error(FrozenError)
+ end
+
+ ruby_bug "", ""..."3.3" do
+ it "raise FrozenError if the output buffer is frozen (2)" do
+ @io.read
+ -> { @io.read(1, ''.freeze) }.should raise_error(FrozenError)
+ end
+ end
+
+ it "consumes zero bytes when reading zero bytes" do
+ @io.read(0).should == ''
+ @io.pos.should == 0
+
+ @io.getc.should == '1'
+ end
+
+ it "is at end-of-file when everything has been read" do
+ @io.read
+ @io.should.eof?
+ end
+
+ it "reads the contents of a file" do
+ @io.read.should == @contents
+ end
+
+ it "places the specified number of bytes in the buffer" do
+ buf = +""
+ @io.read 5, buf
+
+ buf.should == "12345"
+ end
+
+ it "expands the buffer when too small" do
+ buf = +"ABCDE"
+ @io.read nil, buf
+
+ buf.should == @contents
+ end
+
+ it "overwrites the buffer" do
+ buf = +"ABCDEFGHIJ"
+ @io.read nil, buf
+
+ buf.should == @contents
+ end
+
+ it "truncates the buffer when too big" do
+ buf = +"ABCDEFGHIJKLMNO"
+ @io.read nil, buf
+ buf.should == @contents
+
+ @io.rewind
+
+ buf = +"ABCDEFGHIJKLMNO"
+ @io.read 5, buf
+ buf.should == @contents[0..4]
+ end
+
+ it "preserves the encoding of the given buffer" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ @io.read(10, buffer)
+
+ buffer.encoding.should == Encoding::ISO_8859_1
+ end
+
+ # https://bugs.ruby-lang.org/issues/20416
+ it "does not preserve the encoding of the given buffer when max length is not provided" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ @io.read(nil, buffer)
+
+ buffer.encoding.should_not == Encoding::ISO_8859_1
+ end
+
+ it "returns the given buffer" do
+ buf = +""
+
+ @io.read(nil, buf).should equal buf
+ end
+
+ it "returns the given buffer when there is nothing to read" do
+ buf = +""
+
+ @io.read
+ @io.read(nil, buf).should equal buf
+ end
+
+ it "coerces the second argument to string and uses it as a buffer" do
+ buf = +"ABCDE"
+ obj = mock("buff")
+ obj.should_receive(:to_str).any_number_of_times.and_return(buf)
+
+ @io.read(15, obj).should_not equal obj
+ buf.should == @contents
+ end
+
+ it "returns an empty string at end-of-file" do
+ @io.read
+ @io.read.should == ''
+ end
+
+ it "reads the contents of a file when more bytes are specified" do
+ @io.read(@contents.length + 1).should == @contents
+ end
+
+ it "returns an empty string at end-of-file" do
+ @io.read
+ @io.read.should == ''
+ end
+
+ it "returns an empty string when the current pos is bigger than the content size" do
+ @io.pos = 1000
+ @io.read.should == ''
+ end
+
+ it "returns nil at end-of-file with a length" do
+ @io.read
+ @io.read(1).should == nil
+ end
+
+ it "with length argument returns nil when the current pos is bigger than the content size" do
+ @io.pos = 1000
+ @io.read(1).should == nil
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.read }.should raise_error(IOError)
+ end
+
+ it "raises ArgumentError when length is less than 0" do
+ -> { @io.read(-1) }.should raise_error(ArgumentError)
+ end
+
+ platform_is_not :windows do
+ it "raises IOError when stream is closed by another thread" do
+ r, w = IO.pipe
+ t = Thread.new do
+ begin
+ r.read(1)
+ rescue => e
+ e
+ end
+ end
+
+ Thread.pass until t.stop?
+ r.close
+ t.join
+ t.value.should be_kind_of(IOError)
+ w.close
+ end
+ end
+end
+
+platform_is :windows do
+ describe "IO#read on Windows" do
+ before :each do
+ @fname = tmp("io_read.txt")
+ touch(@fname, "wb") { |f| f.write "a\r\nb\r\nc" }
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @fname
+ end
+
+ it "normalizes line endings in text mode" do
+ @io = new_io(@fname, "r")
+ @io.read.should == "a\nb\nc"
+ end
+
+ it "does not normalize line endings in binary mode" do
+ @io = new_io(@fname, "rb")
+ @io.read.should == "a\r\nb\r\nc"
+ end
+ end
+end
+
+describe "IO#read" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "ignores unicode encoding" do
+ @io.readline.should == "Voici la ligne une.\n"
+ # read "Qui è"
+ @io.read(5).should == "Qui " + [195].pack('C*')
+ end
+end
+
+describe "IO#read in binary mode" do
+ before :each do
+ @internal = Encoding.default_internal
+ @name = fixture __FILE__, "read_binary.txt"
+ end
+
+ after :each do
+ Encoding.default_internal = @internal
+ end
+
+ it "does not transcode file contents when Encoding.default_internal is set" do
+ Encoding.default_internal = "utf-8"
+
+ result = File.open(@name, "rb") { |f| f.read }.chomp
+
+ result.encoding.should == Encoding::BINARY
+ xE2 = [226].pack('C*')
+ result.should == ("abc" + xE2 + "def").force_encoding(Encoding::BINARY)
+ end
+end
+
+describe "IO#read in text mode" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+ @name = fixture __FILE__, "read_text.txt"
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+ end
+
+ it "reads data according to the internal encoding" do
+ Encoding.default_internal = "utf-8"
+ Encoding.default_external = "utf-8"
+
+ result = File.open(@name, "rt") { |f| f.read }.chomp
+
+ result.encoding.should == Encoding::UTF_8
+ result.should == "abcâdef"
+ end
+end
+
+describe "IO.read with BOM" do
+ it "reads a file without a bom" do
+ name = fixture __FILE__, "no_bom_UTF-8.txt"
+ result = File.read(name, mode: "rb:BOM|utf-8")
+ result.force_encoding("binary").should == "UTF-8\n"
+ end
+
+ it "reads a file with a utf-8 bom" do
+ name = fixture __FILE__, "bom_UTF-8.txt"
+ result = File.read(name, mode: "rb:BOM|utf-16le")
+ result.force_encoding("binary").should == "UTF-8\n"
+ end
+
+ it "reads a file with a utf-16le bom" do
+ name = fixture __FILE__, "bom_UTF-16LE.txt"
+ result = File.read(name, mode: "rb:BOM|utf-8")
+ result.force_encoding("binary").should == "U\x00T\x00F\x00-\x001\x006\x00L\x00E\x00\n\x00"
+ end
+
+ it "reads a file with a utf-16be bom" do
+ name = fixture __FILE__, "bom_UTF-16BE.txt"
+ result = File.read(name, mode: "rb:BOM|utf-8")
+ result.force_encoding("binary").should == "\x00U\x00T\x00F\x00-\x001\x006\x00B\x00E\x00\n"
+ end
+
+ it "reads a file with a utf-32le bom" do
+ name = fixture __FILE__, "bom_UTF-32LE.txt"
+ result = File.read(name, mode: "rb:BOM|utf-8")
+ result.force_encoding("binary").should == "U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00L\x00\x00\x00E\x00\x00\x00\n\x00\x00\x00"
+ end
+
+ it "reads a file with a utf-32be bom" do
+ name = fixture __FILE__, "bom_UTF-32BE.txt"
+ result = File.read(name, mode: "rb:BOM|utf-8")
+ result.force_encoding("binary").should == "\x00\x00\x00U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00B\x00\x00\x00E\x00\x00\x00\n"
+ end
+end
+
+describe :io_read_internal_encoding, shared: true do
+ it "returns a transcoded String" do
+ @io.read.should == "ありがとう\n"
+ end
+
+ it "sets the String encoding to the internal encoding" do
+ @io.read.encoding.should equal(Encoding::UTF_8)
+ end
+
+ describe "when passed nil for limit" do
+ it "sets the buffer to a transcoded String" do
+ result = @io.read(nil, buf = +"")
+ buf.should equal(result)
+ buf.should == "ありがとう\n"
+ end
+
+ it "sets the buffer's encoding to the internal encoding" do
+ buf = "".dup.force_encoding Encoding::ISO_8859_1
+ @io.read(nil, buf)
+ buf.encoding.should equal(Encoding::UTF_8)
+ end
+ end
+end
+
+describe :io_read_size_internal_encoding, shared: true do
+ it "reads bytes when passed a size" do
+ @io.read(2).should == [164, 162].pack('C*').force_encoding(Encoding::BINARY)
+ end
+
+ it "returns a String in BINARY when passed a size" do
+ @io.read(4).encoding.should equal(Encoding::BINARY)
+ @io.read(0).encoding.should equal(Encoding::BINARY)
+ end
+
+ it "does not change the buffer's encoding when passed a limit" do
+ buf = "".dup.force_encoding Encoding::ISO_8859_1
+ @io.read(4, buf)
+ buf.should == [164, 162, 164, 234].pack('C*').force_encoding(Encoding::ISO_8859_1)
+ buf.encoding.should equal(Encoding::ISO_8859_1)
+ end
+
+ it "truncates the buffer but does not change the buffer's encoding when no data remains" do
+ buf = "abc".dup.force_encoding Encoding::ISO_8859_1
+ @io.read
+
+ @io.read(1, buf).should be_nil
+ buf.size.should == 0
+ buf.encoding.should equal(Encoding::ISO_8859_1)
+ end
+end
+
+describe "IO#read" do
+ describe "when IO#external_encoding and IO#internal_encoding are nil" do
+ before :each do
+ @name = tmp("io_read.txt")
+ touch(@name) { |f| f.write "\x00\x01\x02" }
+ @io = new_io @name, "r+"
+ end
+
+ after :each do
+ @io.close if @io
+ rm_r @name
+ end
+
+ it "sets the String encoding to Encoding.default_external" do
+ @io.read.encoding.should equal(Encoding.default_external)
+ end
+ end
+
+ describe "with internal encoding" do
+ after :each do
+ @io.close if @io
+ end
+
+ describe "not specified" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", "r:euc-jp"
+ end
+
+ it "does not transcode the String" do
+ @io.read.should == ("ありがとう\n").encode(Encoding::EUC_JP)
+ end
+
+ it "sets the String encoding to the external encoding" do
+ @io.read.encoding.should equal(Encoding::EUC_JP)
+ end
+
+ it_behaves_like :io_read_size_internal_encoding, nil
+ end
+
+ describe "specified by open mode" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", "r:euc-jp:utf-8"
+ end
+
+ it_behaves_like :io_read_internal_encoding, nil
+ it_behaves_like :io_read_size_internal_encoding, nil
+ end
+
+ describe "specified by mode: option" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", mode: "r:euc-jp:utf-8"
+ end
+
+ it_behaves_like :io_read_internal_encoding, nil
+ it_behaves_like :io_read_size_internal_encoding, nil
+ end
+
+ describe "specified by internal_encoding: option" do
+ before :each do
+ options = { mode: "r",
+ internal_encoding: "utf-8",
+ external_encoding: "euc-jp" }
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", options
+ end
+
+ it_behaves_like :io_read_internal_encoding, nil
+ it_behaves_like :io_read_size_internal_encoding, nil
+ end
+
+ describe "specified by encoding: option" do
+ before :each do
+ options = { mode: "r", encoding: "euc-jp:utf-8" }
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", options
+ end
+
+ it_behaves_like :io_read_internal_encoding, nil
+ it_behaves_like :io_read_size_internal_encoding, nil
+ end
+ end
+end
+
+describe "IO#read with large data" do
+ before :each do
+ # TODO: what is the significance of this mystery math?
+ @data_size = 8096 * 2 + 1024
+ @data = "*" * @data_size
+
+ @fname = tmp("io_read.txt")
+ touch(@fname) { |f| f.write @data }
+ end
+
+ after :each do
+ rm_r @fname
+ end
+
+ it "reads all the data at once" do
+ File.open(@fname, 'r') { |io| ScratchPad.record io.read }
+
+ ScratchPad.recorded.size.should == @data_size
+ ScratchPad.recorded.should == @data
+ end
+
+ it "reads only the requested number of bytes" do
+ read_size = @data_size / 2
+ File.open(@fname, 'r') { |io| ScratchPad.record io.read(read_size) }
+
+ ScratchPad.recorded.size.should == read_size
+ ScratchPad.recorded.should == @data[0, read_size]
+ end
+end
diff --git a/spec/ruby/core/io/readbyte_spec.rb b/spec/ruby/core/io/readbyte_spec.rb
new file mode 100644
index 0000000000..14426c28ac
--- /dev/null
+++ b/spec/ruby/core/io/readbyte_spec.rb
@@ -0,0 +1,24 @@
+require_relative '../../spec_helper'
+
+describe "IO#readbyte" do
+ before :each do
+ @io = File.open(__FILE__, 'r')
+ end
+
+ after :each do
+ @io.close
+ end
+
+ it "reads one byte from the stream" do
+ byte = @io.readbyte
+ byte.should == ?r.getbyte(0)
+ @io.pos.should == 1
+ end
+
+ it "raises EOFError on EOF" do
+ @io.seek(999999)
+ -> do
+ @io.readbyte
+ end.should raise_error EOFError
+ end
+end
diff --git a/spec/ruby/core/io/readchar_spec.rb b/spec/ruby/core/io/readchar_spec.rb
new file mode 100644
index 0000000000..a66773851a
--- /dev/null
+++ b/spec/ruby/core/io/readchar_spec.rb
@@ -0,0 +1,110 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe :io_readchar_internal_encoding, shared: true do
+ it "returns a transcoded String" do
+ @io.readchar.should == "あ"
+ end
+
+ it "sets the String encoding to the internal encoding" do
+ @io.readchar.encoding.should equal(Encoding::UTF_8)
+ end
+end
+
+describe "IO#readchar" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "returns the next string from the stream" do
+ @io.readchar.should == 'V'
+ @io.readchar.should == 'o'
+ @io.readchar.should == 'i'
+ # read the rest of line
+ @io.readline.should == "ci la ligne une.\n"
+ @io.readchar.should == 'Q'
+ end
+
+ it "raises an EOFError when invoked at the end of the stream" do
+ @io.read
+ -> { @io.readchar }.should raise_error(EOFError)
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.readchar }.should raise_error(IOError)
+ end
+end
+
+describe "IO#readchar with internal encoding" do
+ after :each do
+ @io.close if @io
+ end
+
+ describe "not specified" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", "r:euc-jp"
+ end
+
+ it "does not transcode the String" do
+ @io.readchar.should == ("あ").encode(Encoding::EUC_JP)
+ end
+
+ it "sets the String encoding to the external encoding" do
+ @io.readchar.encoding.should equal(Encoding::EUC_JP)
+ end
+ end
+
+ describe "specified by open mode" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", "r:euc-jp:utf-8"
+ end
+
+ it_behaves_like :io_readchar_internal_encoding, nil
+ end
+
+ describe "specified by mode: option" do
+ before :each do
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", mode: "r:euc-jp:utf-8"
+ end
+
+ it_behaves_like :io_readchar_internal_encoding, nil
+ end
+
+ describe "specified by internal_encoding: option" do
+ before :each do
+ options = { mode: "r",
+ internal_encoding: "utf-8",
+ external_encoding: "euc-jp" }
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", options
+ end
+
+ it_behaves_like :io_readchar_internal_encoding, nil
+ end
+
+ describe "specified by encoding: option" do
+ before :each do
+ options = { mode: "r", encoding: "euc-jp:utf-8" }
+ @io = IOSpecs.io_fixture "read_euc_jp.txt", options
+ end
+
+ it_behaves_like :io_readchar_internal_encoding, nil
+ end
+end
+
+describe "IO#readchar" do
+ before :each do
+ @io = IOSpecs.io_fixture "empty.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "raises EOFError on empty stream" do
+ -> { @io.readchar }.should raise_error(EOFError)
+ end
+end
diff --git a/spec/ruby/core/io/readline_spec.rb b/spec/ruby/core/io/readline_spec.rb
new file mode 100644
index 0000000000..a814c1be90
--- /dev/null
+++ b/spec/ruby/core/io/readline_spec.rb
@@ -0,0 +1,84 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#readline" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "returns the next line on the stream" do
+ @io.readline.should == "Voici la ligne une.\n"
+ @io.readline.should == "Qui è la linea due.\n"
+ end
+
+ it "goes back to first position after a rewind" do
+ @io.readline.should == "Voici la ligne une.\n"
+ @io.rewind
+ @io.readline.should == "Voici la ligne une.\n"
+ end
+
+ it "returns characters after the position set by #seek" do
+ @io.seek(1)
+ @io.readline.should == "oici la ligne une.\n"
+ end
+
+ it "raises EOFError on end of stream" do
+ IOSpecs.lines.length.times { @io.readline }
+ -> { @io.readline }.should raise_error(EOFError)
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.readline }.should raise_error(IOError)
+ end
+
+ it "assigns the returned line to $_" do
+ IOSpecs.lines.each do |line|
+ @io.readline
+ $_.should == line
+ end
+ end
+
+ describe "when passed limit" do
+ it "reads limit bytes" do
+ @io.readline(3).should == "Voi"
+ end
+
+ it "returns an empty string when passed 0 as a limit" do
+ @io.readline(0).should == ""
+ end
+
+ it "does not accept Integers that don't fit in a C off_t" do
+ -> { @io.readline(2**128) }.should raise_error(RangeError)
+ end
+ end
+
+ describe "when passed separator and limit" do
+ it "reads limit bytes till the separator" do
+ # Voici la ligne une.\
+ @io.readline(" ", 4).should == "Voic"
+ @io.readline(" ", 4).should == "i "
+ @io.readline(" ", 4).should == "la "
+ @io.readline(" ", 4).should == "lign"
+ @io.readline(" ", 4).should == "e "
+ end
+ end
+
+ describe "when passed chomp" do
+ it "returns the first line without a trailing newline character" do
+ @io.readline(chomp: true).should == IOSpecs.lines_without_newline_characters[0]
+ end
+
+ it "raises exception when options passed as Hash" do
+ -> { @io.readline({ chomp: true }) }.should raise_error(TypeError)
+
+ -> {
+ @io.readline("\n", 1, { chomp: true })
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)")
+ end
+ end
+end
diff --git a/spec/ruby/core/io/readlines_spec.rb b/spec/ruby/core/io/readlines_spec.rb
new file mode 100644
index 0000000000..b4770775d1
--- /dev/null
+++ b/spec/ruby/core/io/readlines_spec.rb
@@ -0,0 +1,259 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/readlines'
+
+describe "IO#readlines" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ @orig_extenc = Encoding.default_external
+ Encoding.default_external = Encoding::UTF_8
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ Encoding.default_external = @orig_extenc
+ end
+
+ it "raises an IOError if the stream is closed" do
+ @io.close
+ -> { @io.readlines }.should raise_error(IOError)
+ end
+
+ describe "when passed no arguments" do
+ before :each do
+ suppress_warning {@sep, $/ = $/, " "}
+ end
+
+ after :each do
+ suppress_warning {$/ = @sep}
+ end
+
+ it "returns an Array containing lines based on $/" do
+ @io.readlines.should == IOSpecs.lines_space_separator
+ end
+ end
+
+ describe "when passed no arguments" do
+ it "updates self's position" do
+ @io.readlines
+ @io.pos.should eql(137)
+ end
+
+ it "updates self's lineno based on the number of lines read" do
+ @io.readlines
+ @io.lineno.should eql(9)
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.readlines
+ $_.should == "test"
+ end
+
+ it "returns an empty Array when self is at the end" do
+ @io.readlines.should == IOSpecs.lines
+ @io.readlines.should == []
+ end
+ end
+
+ describe "when passed nil" do
+ it "returns the remaining content as one line starting at the current position" do
+ @io.readlines(nil).should == [IOSpecs.lines.join]
+ end
+ end
+
+ describe "when passed an empty String" do
+ it "returns an Array containing all paragraphs" do
+ @io.readlines("").should == IOSpecs.paragraphs
+ end
+ end
+
+ describe "when passed a separator" do
+ it "returns an Array containing lines based on the separator" do
+ @io.readlines("r").should == IOSpecs.lines_r_separator
+ end
+
+ it "returns an empty Array when self is at the end" do
+ @io.readlines
+ @io.readlines("r").should == []
+ end
+
+ it "updates self's lineno based on the number of lines read" do
+ @io.readlines("r")
+ @io.lineno.should eql(5)
+ end
+
+ it "updates self's position based on the number of characters read" do
+ @io.readlines("r")
+ @io.pos.should eql(137)
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.readlines("r")
+ $_.should == "test"
+ end
+
+ it "tries to convert the passed separator to a String using #to_str" do
+ obj = mock('to_str')
+ obj.stub!(:to_str).and_return("r")
+ @io.readlines(obj).should == IOSpecs.lines_r_separator
+ end
+ end
+
+ describe "when passed limit" do
+ it "raises ArgumentError when passed 0 as a limit" do
+ -> { @io.readlines(0) }.should raise_error(ArgumentError)
+ end
+
+ it "does not accept Integers that don't fit in a C off_t" do
+ -> { @io.readlines(2**128) }.should raise_error(RangeError)
+ end
+ end
+
+ describe "when passed chomp" do
+ it "returns the first line without a trailing newline character" do
+ @io.readlines(chomp: true).should == IOSpecs.lines_without_newline_characters
+ end
+
+ it "raises exception when options passed as Hash" do
+ -> { @io.readlines({ chomp: true }) }.should raise_error(TypeError)
+
+ -> {
+ @io.readlines("\n", 1, { chomp: true })
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)")
+ end
+ end
+
+ describe "when passed arbitrary keyword argument" do
+ it "tolerates it" do
+ @io.readlines(chomp: true, foo: :bar).should == IOSpecs.lines_without_newline_characters
+ end
+ end
+end
+
+describe "IO#readlines" do
+ before :each do
+ @name = tmp("io_readlines")
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "raises an IOError if the stream is opened for append only" do
+ -> do
+ File.open(@name, "a:utf-8") { |f| f.readlines }
+ end.should raise_error(IOError)
+ end
+
+ it "raises an IOError if the stream is opened for write only" do
+ -> do
+ File.open(@name, "w:utf-8") { |f| f.readlines }
+ end.should raise_error(IOError)
+ end
+end
+
+describe "IO.readlines" do
+ before :each do
+ @external = Encoding.default_external
+ Encoding.default_external = Encoding::UTF_8
+
+ @name = fixture __FILE__, "lines.txt"
+ ScratchPad.record []
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ IO.readlines(@name)
+ $_.should == "test"
+ end
+
+ ruby_version_is ""..."4.0" do
+ describe "when passed a string that starts with a |" do
+ it "gets data from the standard out of the subprocess" do
+ cmd = "|sh -c 'echo hello;echo line2'"
+ platform_is :windows do
+ cmd = "|cmd.exe /C echo hello&echo line2"
+ end
+
+ lines = nil
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ lines = IO.readlines(cmd)
+ end
+ lines.should == ["hello\n", "line2\n"]
+ end
+
+ platform_is_not :windows do
+ it "gets data from a fork when passed -" do
+ lines = nil
+ suppress_warning do # https://bugs.ruby-lang.org/issues/19630
+ lines = IO.readlines("|-")
+ end
+
+ if lines # parent
+ lines.should == ["hello\n", "from a fork\n"]
+ else
+ puts "hello"
+ puts "from a fork"
+ exit!
+ end
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ # https://bugs.ruby-lang.org/issues/19630
+ it "warns about deprecation given a path with a pipe" do
+ cmd = "|echo ok"
+ -> {
+ IO.readlines(cmd)
+ }.should complain(/IO process creation with a leading '\|'/)
+ end
+ end
+ end
+
+ it_behaves_like :io_readlines, :readlines
+ it_behaves_like :io_readlines_options_19, :readlines
+end
+
+describe "IO.readlines" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+ @name = fixture __FILE__, "lines.txt"
+ @dollar_slash = $/
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+ suppress_warning {$/ = @dollar_slash}
+ end
+
+ it "encodes lines using the default external encoding" do
+ Encoding.default_external = Encoding::UTF_8
+ lines = IO.readlines(@name)
+ lines.all? { |s| s.encoding == Encoding::UTF_8 }.should be_true
+ end
+
+ it "encodes lines using the default internal encoding, when set" do
+ Encoding.default_external = Encoding::UTF_8
+ Encoding.default_internal = Encoding::UTF_16
+ suppress_warning {$/ = $/.encode Encoding::UTF_16}
+ lines = IO.readlines(@name)
+ lines.all? { |s| s.encoding == Encoding::UTF_16 }.should be_true
+ end
+
+ it "ignores the default internal encoding if the external encoding is BINARY" do
+ Encoding.default_external = Encoding::BINARY
+ Encoding.default_internal = Encoding::UTF_8
+ lines = IO.readlines(@name)
+ lines.all? { |s| s.encoding == Encoding::BINARY }.should be_true
+ end
+end
diff --git a/spec/ruby/core/io/readpartial_spec.rb b/spec/ruby/core/io/readpartial_spec.rb
new file mode 100644
index 0000000000..176c33cf9e
--- /dev/null
+++ b/spec/ruby/core/io/readpartial_spec.rb
@@ -0,0 +1,115 @@
+# encoding: binary
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#readpartial" do
+ before :each do
+ @rd, @wr = IO.pipe
+ @rd.binmode
+ @wr.binmode
+ end
+
+ after :each do
+ @rd.close unless @rd.closed?
+ @wr.close unless @wr.closed?
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.readpartial(10) }.should raise_error(IOError)
+
+ @rd.close
+ -> { @rd.readpartial(10) }.should raise_error(IOError)
+ end
+
+ it "reads at most the specified number of bytes" do
+ @wr.write("foobar")
+
+ # buffered read
+ @rd.read(1).should == 'f'
+ # return only specified number, not the whole buffer
+ @rd.readpartial(1).should == "o"
+ end
+
+ it "reads after ungetc with data in the buffer" do
+ @wr.write("foobar")
+ c = @rd.getc
+ @rd.ungetc(c)
+ @rd.readpartial(3).should == "foo"
+ @rd.readpartial(3).should == "bar"
+ end
+
+ it "reads after ungetc with multibyte characters in the buffer" do
+ @wr.write("∂φ/∂x = gaîté")
+ c = @rd.getc
+ @rd.ungetc(c)
+ @rd.readpartial(3).should == "\xE2\x88\x82"
+ @rd.readpartial(3).should == "\xCF\x86/"
+ end
+
+ it "reads after ungetc without data in the buffer" do
+ @wr.write("f")
+ c = @rd.getc
+ @rd.ungetc(c)
+ @rd.readpartial(2).should == "f"
+
+ # now, also check that the ungot char is cleared and
+ # not returned again
+ @wr.write("b")
+ @rd.readpartial(2).should == "b"
+ end
+
+ it "discards the existing buffer content upon successful read" do
+ buffer = +"existing content"
+ @wr.write("hello world")
+ @wr.close
+ @rd.readpartial(11, buffer).should.equal?(buffer)
+ buffer.should == "hello world"
+ end
+
+ it "raises EOFError on EOF" do
+ @wr.write("abc")
+ @wr.close
+ @rd.readpartial(10).should == 'abc'
+ -> { @rd.readpartial(10) }.should raise_error(EOFError)
+ end
+
+ it "discards the existing buffer content upon error" do
+ buffer = +'hello'
+ @wr.close
+ -> { @rd.readpartial(1, buffer) }.should raise_error(EOFError)
+ buffer.should be_empty
+ end
+
+ it "raises IOError if the stream is closed" do
+ @wr.close
+ -> { @rd.readpartial(1) }.should raise_error(IOError)
+ end
+
+ it "raises ArgumentError if the negative argument is provided" do
+ -> { @rd.readpartial(-1) }.should raise_error(ArgumentError)
+ end
+
+ it "immediately returns an empty string if the length argument is 0" do
+ @rd.readpartial(0).should == ""
+ end
+
+ it "raises IOError if the stream is closed and the length argument is 0" do
+ @rd.close
+ -> { @rd.readpartial(0) }.should raise_error(IOError, "closed stream")
+ end
+
+ it "clears and returns the given buffer if the length argument is 0" do
+ buffer = +"existing content"
+ @rd.readpartial(0, buffer).should == buffer
+ buffer.should == ""
+ end
+
+ it "preserves the encoding of the given buffer" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ @wr.write("abc")
+ @wr.close
+ @rd.readpartial(10, buffer)
+
+ buffer.encoding.should == Encoding::ISO_8859_1
+ end
+end
diff --git a/spec/ruby/core/io/reopen_spec.rb b/spec/ruby/core/io/reopen_spec.rb
new file mode 100644
index 0000000000..8ff0f217f4
--- /dev/null
+++ b/spec/ruby/core/io/reopen_spec.rb
@@ -0,0 +1,313 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+require 'fcntl'
+
+describe "IO#reopen" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ @other_name = tmp("io_reopen_other.txt")
+
+ @io = new_io @name
+ @other_io = File.open @other_name, "w"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ @other_io.close unless @other_io.closed?
+ rm_r @name, @other_name
+ end
+
+ it "calls #to_io to convert an object" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return(@other_io)
+ @io.reopen obj
+ end
+
+ it "changes the class of the instance to the class of the object returned by #to_io" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return(@other_io)
+ @io.reopen(obj).should be_an_instance_of(File)
+ end
+
+ it "raises an IOError if the object returned by #to_io is closed" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return(IOSpecs.closed_io)
+ -> { @io.reopen obj }.should raise_error(IOError)
+ end
+
+ it "raises a TypeError if #to_io does not return an IO instance" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return("something else")
+ -> { @io.reopen obj }.should raise_error(TypeError)
+ end
+
+ it "raises an IOError when called on a closed stream with an object" do
+ @io.close
+ obj = mock("io")
+ obj.should_not_receive(:to_io)
+ -> { @io.reopen(STDOUT) }.should raise_error(IOError)
+ end
+
+ it "raises an IOError if the IO argument is closed" do
+ -> { @io.reopen(IOSpecs.closed_io) }.should raise_error(IOError)
+ end
+
+ it "raises an IOError when called on a closed stream with an IO" do
+ @io.close
+ -> { @io.reopen(STDOUT) }.should raise_error(IOError)
+ end
+end
+
+describe "IO#reopen with a String" do
+ before :each do
+ @name = fixture __FILE__, "numbered_lines.txt"
+ @other_name = tmp("io_reopen.txt")
+ touch @other_name
+ @io = IOSpecs.io_fixture "lines.txt"
+
+ @tmp_file = tmp("reopen")
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @other_name, @tmp_file
+ end
+
+ it "does not raise an exception when called on a closed stream with a path" do
+ @io.close
+ @io.reopen @name, "r"
+ @io.closed?.should be_false
+ @io.gets.should == "Line 1: One\n"
+ end
+
+ it "returns self" do
+ @io.reopen(@name).should equal(@io)
+ end
+
+ it "positions a newly created instance at the beginning of the new stream" do
+ @io.reopen(@name)
+ @io.gets.should == "Line 1: One\n"
+ end
+
+ it "positions an instance that has been read from at the beginning of the new stream" do
+ @io.gets
+ @io.reopen(@name)
+ @io.gets.should == "Line 1: One\n"
+ end
+
+ platform_is_not :windows do
+ it "passes all mode flags through" do
+ @io.reopen(@tmp_file, "ab")
+ (@io.fcntl(Fcntl::F_GETFL) & File::APPEND).should == File::APPEND
+ end
+ end
+
+ platform_is_not :windows do
+ # TODO Should this work on Windows?
+ it "affects exec/system/fork performed after it" do
+ ruby_exe fixture(__FILE__, "reopen_stdout.rb"), args: @tmp_file
+ File.read(@tmp_file).should == "from system\nfrom exec\n"
+ end
+ end
+
+ it "calls #to_path on non-String arguments" do
+ obj = mock('path')
+ obj.should_receive(:to_path).and_return(@other_name)
+ @io.reopen(obj)
+ end
+end
+
+describe "IO#reopen with a String" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ @other_name = tmp("io_reopen_other.txt")
+ @other_io = nil
+
+ rm_r @other_name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ @other_io.close if @other_io and not @other_io.closed?
+ rm_r @name, @other_name
+ end
+
+ it "opens a path after writing to the original file descriptor" do
+ @io = new_io @name, "w"
+
+ @io.print "original data"
+ @io.reopen @other_name
+ @io.print "new data"
+ @io.flush
+
+ File.read(@name).should == "original data"
+ File.read(@other_name).should == "new data"
+ end
+
+ it "always resets the close-on-exec flag to true on non-STDIO objects" do
+ @io = new_io @name, "w"
+
+ @io.close_on_exec = true
+ @io.reopen @other_name
+ @io.should.close_on_exec?
+
+ @io.close_on_exec = false
+ @io.reopen @other_name
+ @io.should.close_on_exec?
+ end
+
+ it "creates the file if it doesn't exist if the IO is opened in write mode" do
+ @io = new_io @name, "w"
+
+ @io.reopen(@other_name)
+ File.should.exist?(@other_name)
+ end
+
+ it "creates the file if it doesn't exist if the IO is opened in write mode" do
+ @io = new_io @name, "a"
+
+ @io.reopen(@other_name)
+ File.should.exist?(@other_name)
+ end
+end
+
+describe "IO#reopen with a String" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ @other_name = tmp("io_reopen_other.txt")
+
+ touch @name
+ rm_r @other_name
+ end
+
+ after :each do
+ @io.close
+ rm_r @name, @other_name
+ end
+
+ it "raises an Errno::ENOENT if the file does not exist and the IO is not opened in write mode" do
+ @io = new_io @name, "r"
+ -> { @io.reopen(@other_name) }.should raise_error(Errno::ENOENT)
+ end
+end
+
+describe "IO#reopen with an IO at EOF" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ touch(@name) { |f| f.puts "a line" }
+ @other_name = tmp("io_reopen_other.txt")
+ touch(@other_name) do |f|
+ f.puts "Line 1"
+ f.puts "Line 2"
+ end
+
+ @io = new_io @name, "r"
+ @other_io = new_io @other_name, "r"
+ @io.read
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ @other_io.close unless @other_io.closed?
+ rm_r @name, @other_name
+ end
+
+ it "resets the EOF status to false" do
+ @io.eof?.should be_true
+ @io.reopen @other_io
+ @io.eof?.should be_false
+ end
+end
+
+describe "IO#reopen with an IO" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ @other_name = tmp("io_reopen_other.txt")
+ touch(@other_name) do |f|
+ f.puts "Line 1"
+ f.puts "Line 2"
+ end
+
+ @io = new_io @name
+ @other_io = IO.new(new_fd(@other_name, "r"), "r")
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ @other_io.close unless @other_io.closed?
+ rm_r @name, @other_name
+ end
+
+ it "does not call #to_io" do
+ # Why do we not use #should_not_receive(:to_io) here? Because
+ # MRI actually changes the class of @io in the call to #reopen
+ # but does not preserve the existing singleton class of @io.
+ def @io.to_io; flunk; end
+ @io.reopen(@other_io).should be_an_instance_of(IO)
+ end
+
+ it "does not change the object_id" do
+ obj_id = @io.object_id
+ @io.reopen @other_io
+ @io.object_id.should == obj_id
+ end
+
+ it "reads from the beginning if the other IO has not been read from" do
+ @io.reopen @other_io
+ @io.gets.should == "Line 1\n"
+ end
+
+ it "reads from the current position of the other IO's stream" do
+ @other_io.gets.should == "Line 1\n"
+ @io.reopen @other_io
+ @io.gets.should == "Line 2\n"
+ end
+end
+
+describe "IO#reopen with an IO" do
+ before :each do
+ @name = tmp("io_reopen.txt")
+ @other_name = tmp("io_reopen_other.txt")
+
+ @io = new_io @name
+ @other_io = File.open @other_name, "w"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ @other_io.close unless @other_io.closed?
+ rm_r @name, @other_name
+ end
+
+ it "associates the IO instance with the other IO's stream" do
+ File.read(@other_name).should == ""
+ @io.reopen @other_io
+ @io.print "io data"
+ @io.flush
+ File.read(@name).should == ""
+ File.read(@other_name).should == "io data"
+ end
+
+ it "always resets the close-on-exec flag to true on non-STDIO objects" do
+ @other_io.close_on_exec = true
+ @io.close_on_exec = true
+ @io.reopen @other_io
+ @io.should.close_on_exec?
+
+ @other_io.close_on_exec = false
+ @io.close_on_exec = false
+ @io.reopen @other_io
+ @io.should.close_on_exec?
+ end
+
+ it "may change the class of the instance" do
+ @io.reopen @other_io
+ @io.should be_an_instance_of(File)
+ end
+
+ it "sets path equals to the other IO's path if other IO is File" do
+ @io.reopen @other_io
+ @io.path.should == @other_io.path
+ end
+end
diff --git a/spec/ruby/core/io/rewind_spec.rb b/spec/ruby/core/io/rewind_spec.rb
new file mode 100644
index 0000000000..5579cbd988
--- /dev/null
+++ b/spec/ruby/core/io/rewind_spec.rb
@@ -0,0 +1,53 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#rewind" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "positions the instance to the beginning of input" do
+ @io.readline.should == "Voici la ligne une.\n"
+ @io.readline.should == "Qui è la linea due.\n"
+ @io.rewind
+ @io.readline.should == "Voici la ligne une.\n"
+ end
+
+ it "positions the instance to the beginning of output for write-only IO" do
+ name = tmp("io_rewind_spec")
+ io = File.open(name, "w")
+ io.write("Voici la ligne une.\n")
+ io.rewind
+ io.pos.should == 0
+ ensure
+ io.close
+ rm_r name
+ end
+
+ it "positions the instance to the beginning of input and clears EOF" do
+ value = @io.read
+ @io.rewind
+ @io.should_not.eof?
+ value.should == @io.read
+ end
+
+ it "sets lineno to 0" do
+ @io.readline.should == "Voici la ligne une.\n"
+ @io.lineno.should == 1
+ @io.rewind
+ @io.lineno.should == 0
+ end
+
+ it "returns 0" do
+ @io.rewind.should == 0
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.rewind }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/seek_spec.rb b/spec/ruby/core/io/seek_spec.rb
new file mode 100644
index 0000000000..2fa4a73ac9
--- /dev/null
+++ b/spec/ruby/core/io/seek_spec.rb
@@ -0,0 +1,79 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/pos'
+
+describe "IO#seek" do
+ it_behaves_like :io_set_pos, :seek
+end
+
+describe "IO#seek" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "moves the read position relative to the current position with SEEK_CUR" do
+ -> { @io.seek(-1) }.should raise_error(Errno::EINVAL)
+ @io.seek(10, IO::SEEK_CUR)
+ @io.readline.should == "igne une.\n"
+ @io.seek(-5, IO::SEEK_CUR)
+ @io.readline.should == "une.\n"
+ end
+
+ it "moves the read position relative to the start with SEEK_SET" do
+ @io.seek(1)
+ @io.pos.should == 1
+ @io.rewind
+ @io.seek(43, IO::SEEK_SET)
+ @io.readline.should == "Aquí está la línea tres.\n"
+ @io.seek(5, IO::SEEK_SET)
+ @io.readline.should == " la ligne une.\n"
+ end
+
+ it "moves the read position relative to the end with SEEK_END" do
+ @io.seek(0, IO::SEEK_END)
+ @io.tell.should == 137
+ @io.seek(-25, IO::SEEK_END)
+ @io.readline.should == "cinco.\n"
+ end
+
+ it "moves the read position and clears EOF with SEEK_SET" do
+ value = @io.read
+ @io.seek(0, IO::SEEK_SET)
+ @io.should_not.eof?
+ value.should == @io.read
+ end
+
+ it "moves the read position and clears EOF with SEEK_CUR" do
+ value = @io.read
+ @io.seek(-1, IO::SEEK_CUR)
+ @io.should_not.eof?
+ value[-1].should == @io.read[0]
+ end
+
+ it "moves the read position and clears EOF with SEEK_END" do
+ value = @io.read
+ @io.seek(-1, IO::SEEK_END)
+ @io.should_not.eof?
+ value[-1].should == @io.read[0]
+ end
+
+ platform_is :darwin do
+ it "supports seek offsets greater than 2^32" do
+ begin
+ zero = File.open('/dev/zero')
+ offset = 2**33
+ zero.seek(offset, File::SEEK_SET)
+ pos = zero.pos
+
+ pos.should == offset
+ ensure
+ zero.close rescue nil
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/select_spec.rb b/spec/ruby/core/io/select_spec.rb
new file mode 100644
index 0000000000..3893e7620f
--- /dev/null
+++ b/spec/ruby/core/io/select_spec.rb
@@ -0,0 +1,164 @@
+require_relative '../../spec_helper'
+
+describe "IO.select" do
+ before :each do
+ @rd, @wr = IO.pipe
+ end
+
+ after :each do
+ @rd.close unless @rd.closed?
+ @wr.close unless @wr.closed?
+ end
+
+ it "blocks for duration of timeout and returns nil if there are no objects ready for I/O" do
+ IO.select([@rd], nil, nil, 0.001).should == nil
+ end
+
+ it "returns immediately all objects that are ready for I/O when timeout is 0" do
+ @wr.syswrite("be ready")
+ IO.pipe do |_, wr|
+ result = IO.select [@rd], [wr], nil, 0
+ result.should == [[@rd], [wr], []]
+ end
+ end
+
+ it "returns nil after timeout if there are no objects ready for I/O" do
+ result = IO.select [@rd], nil, nil, 0
+ result.should == nil
+ end
+
+ it "returns supplied objects when they are ready for I/O" do
+ main = Thread.current
+ t = Thread.new {
+ Thread.pass until main.status == "sleep"
+ @wr.write "be ready"
+ }
+ result = IO.select [@rd], nil, nil, nil
+ result.should == [[@rd], [], []]
+ t.join
+ end
+
+ it "leaves out IO objects for which there is no I/O ready" do
+ @wr.write "be ready"
+ platform_is :aix do
+ # In AIX, when a pipe is readable, select(2) returns the write side
+ # of the pipe as "readable", even though you cannot actually read
+ # anything from the write side.
+ result = IO.select [@wr, @rd], nil, nil, nil
+ result.should == [[@wr, @rd], [], []]
+ end
+ platform_is_not :aix do
+ # Order matters here. We want to see that @wr doesn't expand the size
+ # of the returned array, so it must be 1st.
+ result = IO.select [@wr, @rd], nil, nil, nil
+ result.should == [[@rd], [], []]
+ end
+ end
+
+ it "returns supplied objects correctly when monitoring the same object in different arrays" do
+ filename = tmp("IO_select_pipe_file")
+ io = File.open(filename, 'w+')
+ result = IO.select [io], [io], nil, 0
+ result.should == [[io], [io], []]
+ io.close
+ rm_r filename
+ end
+
+ it "returns the pipe read end in read set if the pipe write end is closed concurrently" do
+ main = Thread.current
+ t = Thread.new {
+ Thread.pass until main.stop?
+ @wr.close
+ }
+ IO.select([@rd]).should == [[@rd], [], []]
+ ensure
+ t.join
+ end
+
+ it "invokes to_io on supplied objects that are not IO and returns the supplied objects" do
+ # make some data available
+ @wr.write("foobar")
+
+ obj = mock("read_io")
+ obj.should_receive(:to_io).at_least(1).and_return(@rd)
+ IO.select([obj]).should == [[obj], [], []]
+
+ IO.pipe do |_, wr|
+ obj = mock("write_io")
+ obj.should_receive(:to_io).at_least(1).and_return(wr)
+ IO.select(nil, [obj]).should == [[], [obj], []]
+ end
+ end
+
+ it "raises TypeError if supplied objects are not IO" do
+ -> { IO.select([Object.new]) }.should raise_error(TypeError)
+ -> { IO.select(nil, [Object.new]) }.should raise_error(TypeError)
+
+ obj = mock("io")
+ obj.should_receive(:to_io).any_number_of_times.and_return(nil)
+
+ -> { IO.select([obj]) }.should raise_error(TypeError)
+ -> { IO.select(nil, [obj]) }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError if the specified timeout value is not Numeric" do
+ -> { IO.select([@rd], nil, nil, Object.new) }.should raise_error(TypeError)
+ end
+
+ it "raises TypeError if the first three arguments are not Arrays" do
+ -> { IO.select(Object.new)}.should raise_error(TypeError)
+ -> { IO.select(nil, Object.new)}.should raise_error(TypeError)
+ -> { IO.select(nil, nil, Object.new)}.should raise_error(TypeError)
+ end
+
+ it "raises an ArgumentError when passed a negative timeout" do
+ -> { IO.select(nil, nil, nil, -5)}.should raise_error(ArgumentError)
+ end
+
+ describe "returns the available descriptors when the file descriptor" do
+ it "is in both read and error arrays" do
+ @wr.write("foobar")
+ result = IO.select([@rd], nil, [@rd])
+ result.should == [[@rd], [], []]
+ end
+
+ it "is in both write and error arrays" do
+ result = IO.select(nil, [@wr], [@wr])
+ result.should == [[], [@wr], []]
+ end
+
+ it "is in both read and write arrays" do
+ filename = tmp("IO_select_read_write_file")
+ w = File.open(filename, 'w+')
+ begin
+ IO.select([w], [w], []).should == [[w], [w], []]
+ ensure
+ w.close
+ rm_r filename
+ end
+
+ IO.select([@wr], [@wr], []).should == [[], [@wr], []]
+
+ @wr.write("foobar")
+ # CRuby on macOS returns [[@rd], [@rd], []], weird but we accept it here, probably only for pipe read-end
+ [
+ [[@rd], [], []],
+ [[@rd], [@rd], []]
+ ].should.include? IO.select([@rd], [@rd], [])
+ end
+ end
+end
+
+describe "IO.select when passed nil for timeout" do
+ it "sleeps forever and sets the thread status to 'sleep'" do
+ t = Thread.new do
+ IO.select(nil, nil, nil, nil)
+ end
+
+ Thread.pass while t.status && t.status != "sleep"
+ t.join unless t.status
+ t.status.should == "sleep"
+ t.kill
+ t.join
+ end
+end
diff --git a/spec/ruby/core/io/set_encoding_by_bom_spec.rb b/spec/ruby/core/io/set_encoding_by_bom_spec.rb
new file mode 100644
index 0000000000..30d5ce5a5a
--- /dev/null
+++ b/spec/ruby/core/io/set_encoding_by_bom_spec.rb
@@ -0,0 +1,262 @@
+require_relative '../../spec_helper'
+
+describe "IO#set_encoding_by_bom" do
+ before :each do
+ @name = tmp('io_set_encoding_by_bom.txt')
+ touch(@name)
+ @io = new_io(@name, 'rb')
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "returns nil if not readable" do
+ not_readable_io = new_io(@name, 'wb')
+
+ not_readable_io.set_encoding_by_bom.should be_nil
+ not_readable_io.external_encoding.should == Encoding::ASCII_8BIT
+ ensure
+ not_readable_io.close
+ end
+
+ it "returns the result encoding if found BOM UTF-8 sequence" do
+ File.binwrite(@name, "\u{FEFF}")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_8
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.binwrite(@name, "\u{FEFF}abc")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_8
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.read.b.should == "abc".b
+ end
+
+ it "returns the result encoding if found BOM UTF_16LE sequence" do
+ File.binwrite(@name, "\xFF\xFE")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16LE
+ @io.external_encoding.should == Encoding::UTF_16LE
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.binwrite(@name, "\xFF\xFEabc")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16LE
+ @io.external_encoding.should == Encoding::UTF_16LE
+ @io.read.b.should == "abc".b
+ end
+
+ it "returns the result encoding if found BOM UTF_16BE sequence" do
+ File.binwrite(@name, "\xFE\xFF")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16BE
+ @io.external_encoding.should == Encoding::UTF_16BE
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.binwrite(@name, "\xFE\xFFabcd")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16BE
+ @io.external_encoding.should == Encoding::UTF_16BE
+ @io.read.b.should == "abcd".b
+ end
+
+ it "returns the result encoding if found BOM UTF_32LE sequence" do
+ File.binwrite(@name, "\xFF\xFE\x00\x00")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_32LE
+ @io.external_encoding.should == Encoding::UTF_32LE
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.binwrite(@name, "\xFF\xFE\x00\x00abc")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_32LE
+ @io.external_encoding.should == Encoding::UTF_32LE
+ @io.read.b.should == "abc".b
+ end
+
+ it "returns the result encoding if found BOM UTF_32BE sequence" do
+ File.binwrite(@name, "\x00\x00\xFE\xFF")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_32BE
+ @io.external_encoding.should == Encoding::UTF_32BE
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.binwrite(@name, "\x00\x00\xFE\xFFabcd")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_32BE
+ @io.external_encoding.should == Encoding::UTF_32BE
+ @io.read.b.should == "abcd".b
+ end
+
+ it "returns nil if io is empty" do
+ @io.set_encoding_by_bom.should be_nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ end
+
+ it "returns nil if UTF-8 BOM sequence is incomplete" do
+ File.write(@name, "\xEF")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xEF".b
+ @io.rewind
+
+ File.write(@name, "\xEFa")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xEFa".b
+ @io.rewind
+
+ File.write(@name, "\xEF\xBB")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xEF\xBB".b
+ @io.rewind
+
+ File.write(@name, "\xEF\xBBa")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xEF\xBBa".b
+ end
+
+ it "returns nil if UTF-16BE BOM sequence is incomplete" do
+ File.write(@name, "\xFE")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xFE".b
+ @io.rewind
+
+ File.write(@name, "\xFEa")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xFEa".b
+ end
+
+ it "returns nil if UTF-16LE/UTF-32LE BOM sequence is incomplete" do
+ File.write(@name, "\xFF")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xFF".b
+ @io.rewind
+
+ File.write(@name, "\xFFa")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\xFFa".b
+ end
+
+ it "returns UTF-16LE if UTF-32LE BOM sequence is incomplete" do
+ File.write(@name, "\xFF\xFE")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16LE
+ @io.external_encoding.should == Encoding::UTF_16LE
+ @io.read.b.should == "".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.write(@name, "\xFF\xFE\x00")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16LE
+ @io.external_encoding.should == Encoding::UTF_16LE
+ @io.read.b.should == "\x00".b
+ @io.rewind
+ @io.set_encoding(Encoding::ASCII_8BIT)
+
+ File.write(@name, "\xFF\xFE\x00a")
+
+ @io.set_encoding_by_bom.should == Encoding::UTF_16LE
+ @io.external_encoding.should == Encoding::UTF_16LE
+ @io.read.b.should == "\x00a".b
+ end
+
+ it "returns nil if UTF-32BE BOM sequence is incomplete" do
+ File.write(@name, "\x00")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00".b
+ @io.rewind
+
+ File.write(@name, "\x00a")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00a".b
+ @io.rewind
+
+ File.write(@name, "\x00\x00")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00\x00".b
+ @io.rewind
+
+ File.write(@name, "\x00\x00a")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00\x00a".b
+ @io.rewind
+
+ File.write(@name, "\x00\x00\xFE")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00\x00\xFE".b
+ @io.rewind
+
+ File.write(@name, "\x00\x00\xFEa")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read.b.should == "\x00\x00\xFEa".b
+ end
+
+ it "returns nil if found BOM sequence not provided" do
+ File.write(@name, "abc")
+
+ @io.set_encoding_by_bom.should == nil
+ @io.external_encoding.should == Encoding::ASCII_8BIT
+ @io.read(3).should == "abc".b
+ end
+
+ it 'returns exception if io not in binary mode' do
+ not_binary_io = new_io(@name, 'r')
+
+ -> { not_binary_io.set_encoding_by_bom }.should raise_error(ArgumentError, 'ASCII incompatible encoding needs binmode')
+ ensure
+ not_binary_io.close
+ end
+
+ it 'returns exception if encoding already set' do
+ @io.set_encoding("utf-8")
+
+ -> { @io.set_encoding_by_bom }.should raise_error(ArgumentError, 'encoding is set to UTF-8 already')
+ end
+
+ it 'returns exception if encoding conversion is already set' do
+ @io.set_encoding(Encoding::UTF_8, Encoding::UTF_16BE)
+
+ -> { @io.set_encoding_by_bom }.should raise_error(ArgumentError, 'encoding conversion is set')
+ end
+end
diff --git a/spec/ruby/core/io/set_encoding_spec.rb b/spec/ruby/core/io/set_encoding_spec.rb
new file mode 100644
index 0000000000..22d9017635
--- /dev/null
+++ b/spec/ruby/core/io/set_encoding_spec.rb
@@ -0,0 +1,238 @@
+require_relative '../../spec_helper'
+
+describe :io_set_encoding_write, shared: true do
+ it "sets the encodings to nil when they were set previously" do
+ @io = new_io @name, "#{@object}:ibm437:ibm866"
+ @io.set_encoding nil, nil
+
+ @io.external_encoding.should be_nil
+ @io.internal_encoding.should be_nil
+ end
+
+ it "sets the encodings to nil when the IO is built with no explicit encoding" do
+ @io = new_io @name, @object
+
+ # Checking our assumptions first
+ @io.external_encoding.should be_nil
+ @io.internal_encoding.should be_nil
+
+ @io.set_encoding nil, nil
+
+ @io.external_encoding.should be_nil
+ @io.internal_encoding.should be_nil
+ end
+
+ it "prevents the encodings from changing when Encoding defaults are changed" do
+ @io = new_io @name, "#{@object}:utf-8:us-ascii"
+ @io.set_encoding nil, nil
+
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+
+ @io.external_encoding.should be_nil
+ @io.internal_encoding.should be_nil
+ end
+
+ it "sets the encodings to the current Encoding defaults" do
+ @io = new_io @name, @object
+
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+
+ @io.set_encoding nil, nil
+
+ @io.external_encoding.should == Encoding::IBM437
+ @io.internal_encoding.should == Encoding::IBM866
+ end
+end
+
+describe "IO#set_encoding when passed nil, nil" do
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+
+ # The defaults
+ Encoding.default_external = Encoding::UTF_8
+ Encoding.default_internal = nil
+
+ @name = tmp('io_set_encoding.txt')
+ touch(@name)
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+
+ @io.close if @io and not @io.closed?
+ rm_r @name
+ end
+
+ describe "with 'r' mode" do
+ it "sets the encodings to the current Encoding defaults" do
+ @io = new_io @name, "r"
+
+ Encoding.default_external = Encoding::IBM437
+ Encoding.default_internal = Encoding::IBM866
+
+ @io.set_encoding nil, nil
+ @io.external_encoding.should equal(Encoding::IBM437)
+ @io.internal_encoding.should equal(Encoding::IBM866)
+ end
+
+ it "prevents the #internal_encoding from changing when Encoding.default_internal is changed" do
+ @io = new_io @name, "r"
+ @io.set_encoding nil, nil
+
+ Encoding.default_internal = Encoding::IBM437
+
+ @io.internal_encoding.should be_nil
+ end
+
+ it "allows the #external_encoding to change when Encoding.default_external is changed" do
+ @io = new_io @name, "r"
+ @io.set_encoding nil, nil
+
+ Encoding.default_external = Encoding::IBM437
+
+ @io.external_encoding.should equal(Encoding::IBM437)
+ end
+ end
+
+ describe "with 'rb' mode" do
+ it "returns Encoding.default_external" do
+ @io = new_io @name, "rb"
+ @io.external_encoding.should equal(Encoding::BINARY)
+
+ @io.set_encoding nil, nil
+ @io.external_encoding.should equal(Encoding.default_external)
+ end
+ end
+
+ describe "with 'r+' mode" do
+ it_behaves_like :io_set_encoding_write, nil, "r+"
+ end
+
+ describe "with 'w' mode" do
+ it_behaves_like :io_set_encoding_write, nil, "w"
+ end
+
+ describe "with 'w+' mode" do
+ it_behaves_like :io_set_encoding_write, nil, "w+"
+ end
+
+ describe "with 'a' mode" do
+ it_behaves_like :io_set_encoding_write, nil, "a"
+ end
+
+ describe "with 'a+' mode" do
+ it_behaves_like :io_set_encoding_write, nil, "a+"
+ end
+
+ describe "with standard IOs" do
+ it "correctly resets them" do
+ STDOUT.external_encoding.should == nil
+ STDOUT.internal_encoding.should == nil
+
+ begin
+ STDOUT.set_encoding(Encoding::US_ASCII, Encoding::ISO_8859_1)
+ ensure
+ STDOUT.set_encoding(nil, nil)
+ end
+
+ STDOUT.external_encoding.should == nil
+ STDOUT.internal_encoding.should == nil
+ end
+ end
+end
+
+describe "IO#set_encoding" do
+ before :each do
+ @name = tmp('io_set_encoding.txt')
+ touch(@name)
+ @io = new_io @name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "returns self" do
+ @io.set_encoding(Encoding::UTF_8).should equal(@io)
+ end
+
+ it "sets the external encoding when passed an Encoding argument" do
+ @io.set_encoding(Encoding::UTF_8)
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should be_nil
+ end
+
+ it "sets the external and internal encoding when passed two Encoding arguments" do
+ @io.set_encoding(Encoding::UTF_8, Encoding::UTF_16BE)
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should == Encoding::UTF_16BE
+ end
+
+ it "sets the external encoding when passed the name of an Encoding" do
+ @io.set_encoding("utf-8")
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should be_nil
+ end
+
+ it "ignores the internal encoding if the same as external when passed Encoding objects" do
+ @io.set_encoding(Encoding::UTF_8, Encoding::UTF_8)
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should be_nil
+ end
+
+ it "ignores the internal encoding if the same as external when passed encoding names separated by ':'" do
+ @io.set_encoding("utf-8:utf-8")
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should be_nil
+ end
+
+ it "sets the external and internal encoding when passed the names of Encodings separated by ':'" do
+ @io.set_encoding("utf-8:utf-16be")
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should == Encoding::UTF_16BE
+ end
+
+ it "sets the external and internal encoding when passed two String arguments" do
+ @io.set_encoding("utf-8", "utf-16be")
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should == Encoding::UTF_16BE
+ end
+
+ it "calls #to_str to convert an abject to a String" do
+ obj = mock("io_set_encoding")
+ obj.should_receive(:to_str).and_return("utf-8:utf-16be")
+ @io.set_encoding(obj)
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should == Encoding::UTF_16BE
+ end
+
+ it "calls #to_str to convert the second argument to a String" do
+ obj = mock("io_set_encoding")
+ obj.should_receive(:to_str).at_least(1).times.and_return("utf-16be")
+ @io.set_encoding(Encoding::UTF_8, obj)
+ @io.external_encoding.should == Encoding::UTF_8
+ @io.internal_encoding.should == Encoding::UTF_16BE
+ end
+
+ it "saves encoding options passed as a hash in the last argument" do
+ File.write(@name, "\xff")
+ io = File.open(@name)
+ io.set_encoding(Encoding::EUC_JP, Encoding::SHIFT_JIS, invalid: :replace, replace: ".")
+ io.read.should == "."
+ ensure
+ io.close
+ end
+
+ it "raises ArgumentError when no arguments are given" do
+ -> { @io.set_encoding() }.should raise_error(ArgumentError)
+ end
+
+ it "raises ArgumentError when too many arguments are given" do
+ -> { @io.set_encoding(1, 2, 3) }.should raise_error(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/io/shared/binwrite.rb b/spec/ruby/core/io/shared/binwrite.rb
new file mode 100644
index 0000000000..e51093329b
--- /dev/null
+++ b/spec/ruby/core/io/shared/binwrite.rb
@@ -0,0 +1,91 @@
+require_relative '../fixtures/classes'
+
+describe :io_binwrite, shared: true do
+ before :each do
+ @filename = tmp("IO_binwrite_file") + $$.to_s
+ File.open(@filename, "w") do |file|
+ file << "012345678901234567890123456789"
+ end
+ end
+
+ after :each do
+ rm_r @filename
+ end
+
+ it "coerces the argument to a string using to_s" do
+ (obj = mock('test')).should_receive(:to_s).and_return('a string')
+ IO.send(@method, @filename, obj)
+ end
+
+ it "returns the number of bytes written" do
+ IO.send(@method, @filename, "abcde").should == 5
+ end
+
+ it "accepts options as a keyword argument" do
+ IO.send(@method, @filename, "hi", 0, flags: File::CREAT).should == 2
+
+ -> {
+ IO.send(@method, @filename, "hi", 0, {flags: File::CREAT})
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 4, expected 2..3)")
+ end
+
+ it "creates a file if missing" do
+ fn = @filename + "xxx"
+ begin
+ File.should_not.exist?(fn)
+ IO.send(@method, fn, "test")
+ File.should.exist?(fn)
+ ensure
+ rm_r fn
+ end
+ end
+
+ it "creates file if missing even if offset given" do
+ fn = @filename + "xxx"
+ begin
+ File.should_not.exist?(fn)
+ IO.send(@method, fn, "test", 0)
+ File.should.exist?(fn)
+ ensure
+ rm_r fn
+ end
+ end
+
+ it "truncates the file and writes the given string" do
+ IO.send(@method, @filename, "hello, world!")
+ File.read(@filename).should == "hello, world!"
+ end
+
+ it "doesn't truncate the file and writes the given string if an offset is given" do
+ IO.send(@method, @filename, "hello, world!", 0)
+ File.read(@filename).should == "hello, world!34567890123456789"
+ IO.send(@method, @filename, "hello, world!", 20)
+ File.read(@filename).should == "hello, world!3456789hello, world!"
+ end
+
+ it "doesn't truncate and writes at the given offset after passing empty opts" do
+ IO.send(@method, @filename, "hello world!", 1, **{})
+ File.read(@filename).should == "0hello world!34567890123456789"
+ end
+
+ it "accepts a :mode option" do
+ IO.send(@method, @filename, "hello, world!", mode: 'a')
+ File.read(@filename).should == "012345678901234567890123456789hello, world!"
+ IO.send(@method, @filename, "foo", 2, mode: 'w')
+ File.read(@filename).should == "\0\0foo"
+ end
+
+ it "accepts a :flags option without :mode one" do
+ IO.send(@method, @filename, "hello, world!", flags: File::CREAT)
+ File.read(@filename).should == "hello, world!"
+ end
+
+ it "raises an error if readonly mode is specified" do
+ -> { IO.send(@method, @filename, "abcde", mode: "r") }.should raise_error(IOError)
+ end
+
+ it "truncates if empty :opts provided and offset skipped" do
+ IO.send(@method, @filename, "hello, world!", **{})
+ File.read(@filename).should == "hello, world!"
+ end
+end
diff --git a/spec/ruby/core/io/shared/chars.rb b/spec/ruby/core/io/shared/chars.rb
new file mode 100644
index 0000000000..266566f221
--- /dev/null
+++ b/spec/ruby/core/io/shared/chars.rb
@@ -0,0 +1,73 @@
+# -*- encoding: utf-8 -*-
+describe :io_chars, shared: true do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ ScratchPad.record []
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "yields each character" do
+ @io.readline.should == "Voici la ligne une.\n"
+
+ count = 0
+ @io.send(@method) do |c|
+ ScratchPad << c
+ break if 4 < count += 1
+ end
+
+ ScratchPad.recorded.should == ["Q", "u", "i", " ", "è"]
+ end
+
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ enum = @io.send(@method)
+ enum.should be_an_instance_of(Enumerator)
+ enum.first(5).should == ["V", "o", "i", "c", "i"]
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ @io.send(@method).size.should == nil
+ end
+ end
+ end
+ end
+
+ it "returns itself" do
+ @io.send(@method) { |c| }.should equal(@io)
+ end
+
+ it "returns an enumerator for a closed stream" do
+ IOSpecs.closed_io.send(@method).should be_an_instance_of(Enumerator)
+ end
+
+ it "raises an IOError when an enumerator created on a closed stream is accessed" do
+ -> { IOSpecs.closed_io.send(@method).first }.should raise_error(IOError)
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.send(@method) {} }.should raise_error(IOError)
+ end
+end
+
+describe :io_chars_empty, shared: true do
+ before :each do
+ @name = tmp("io_each_char")
+ @io = new_io @name, "w+:utf-8"
+ ScratchPad.record []
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "does not yield any characters on an empty stream" do
+ @io.send(@method) { |c| ScratchPad << c }
+ ScratchPad.recorded.should == []
+ end
+end
diff --git a/spec/ruby/core/io/shared/codepoints.rb b/spec/ruby/core/io/shared/codepoints.rb
new file mode 100644
index 0000000000..6872846c1a
--- /dev/null
+++ b/spec/ruby/core/io/shared/codepoints.rb
@@ -0,0 +1,54 @@
+# -*- encoding: utf-8 -*-
+require_relative '../fixtures/classes'
+
+describe :io_codepoints, shared: true do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ @enum = @io.send(@method)
+ end
+
+ after :each do
+ @io.close
+ end
+
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ @enum.should be_an_instance_of(Enumerator)
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ @enum.size.should == nil
+ end
+ end
+ end
+ end
+
+ it "yields each codepoint" do
+ @enum.first(25).should == [
+ 86, 111, 105, 99, 105, 32, 108, 97, 32, 108, 105, 103, 110,
+ 101, 32, 117, 110, 101, 46, 10, 81, 117, 105, 32, 232
+ ]
+ end
+
+ it "yields each codepoint starting from the current position" do
+ @io.pos = 130
+ @enum.to_a.should == [101, 32, 115, 105, 120, 46, 10]
+ end
+
+ it "raises an error if reading invalid sequence" do
+ @io.pos = 60 # inside of a multibyte sequence
+ -> { @enum.first }.should raise_error(ArgumentError)
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @enum.to_a
+ $_.should == "test"
+ end
+
+ it "raises an IOError when self is not readable" do
+ -> { IOSpecs.closed_io.send(@method).to_a }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/shared/each.rb b/spec/ruby/core/io/shared/each.rb
new file mode 100644
index 0000000000..0747f31b8a
--- /dev/null
+++ b/spec/ruby/core/io/shared/each.rb
@@ -0,0 +1,251 @@
+# -*- encoding: utf-8 -*-
+require_relative '../fixtures/classes'
+
+describe :io_each, shared: true do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ ScratchPad.record []
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ describe "with no separator" do
+ it "yields each line to the passed block" do
+ @io.send(@method) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines
+ end
+
+ it "yields each line starting from the current position" do
+ @io.pos = 41
+ @io.send(@method) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines[2..-1]
+ end
+
+ it "returns self" do
+ @io.send(@method) { |l| l }.should equal(@io)
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.send(@method) { |s| s }
+ $_.should == "test"
+ end
+
+ it "raises an IOError when self is not readable" do
+ -> { IOSpecs.closed_io.send(@method) {} }.should raise_error(IOError)
+ end
+
+ it "makes line count accessible via lineno" do
+ @io.send(@method) { ScratchPad << @io.lineno }
+ ScratchPad.recorded.should == [ 1,2,3,4,5,6,7,8,9 ]
+ end
+
+ it "makes line count accessible via $." do
+ @io.send(@method) { ScratchPad << $. }
+ ScratchPad.recorded.should == [ 1,2,3,4,5,6,7,8,9 ]
+ end
+
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ enum = @io.send(@method)
+ enum.should be_an_instance_of(Enumerator)
+
+ enum.each { |l| ScratchPad << l }
+ ScratchPad.recorded.should == IOSpecs.lines
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ @io.send(@method).size.should == nil
+ end
+ end
+ end
+ end
+ end
+
+ describe "with limit" do
+ describe "when limit is 0" do
+ it "raises an ArgumentError" do
+ # must pass block so Enumerator is evaluated and raises
+ -> { @io.send(@method, 0){} }.should raise_error(ArgumentError)
+ end
+ end
+
+ it "does not accept Integers that don't fit in a C off_t" do
+ -> { @io.send(@method, 2**128){} }.should raise_error(RangeError)
+ end
+ end
+
+ describe "when passed a String containing one space as a separator" do
+ it "uses the passed argument as the line separator" do
+ @io.send(@method, " ") { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines_space_separator
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.send(@method, " ") { |s| }
+ $_.should == "test"
+ end
+
+ it "tries to convert the passed separator to a String using #to_str" do
+ obj = mock("to_str")
+ obj.stub!(:to_str).and_return(" ")
+
+ @io.send(@method, obj) { |l| ScratchPad << l }
+ ScratchPad.recorded.should == IOSpecs.lines_space_separator
+ end
+ end
+
+ describe "when passed nil as a separator" do
+ it "yields self's content starting from the current position when the passed separator is nil" do
+ @io.pos = 100
+ @io.send(@method, nil) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == ["qui a linha cinco.\nHere is line six.\n"]
+ end
+ end
+
+ describe "when passed an empty String as a separator" do
+ it "yields each paragraph" do
+ @io.send(@method, "") { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.paragraphs
+ end
+
+ it "discards leading newlines" do
+ @io.readline
+ @io.readline
+ @io.send(@method, "") { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.paragraphs[1..-1]
+ end
+ end
+
+ describe "with both separator and limit" do
+ describe "when no block is given" do
+ it "returns an Enumerator" do
+ enum = @io.send(@method, nil, 1024)
+ enum.should be_an_instance_of(Enumerator)
+
+ enum.each { |l| ScratchPad << l }
+ ScratchPad.recorded.should == [IOSpecs.lines.join]
+ end
+
+ describe "returned Enumerator" do
+ describe "size" do
+ it "should return nil" do
+ @io.send(@method, nil, 1024).size.should == nil
+ end
+ end
+ end
+ end
+
+ describe "when a block is given" do
+ it "accepts an empty block" do
+ @io.send(@method, nil, 1024) {}.should equal(@io)
+ end
+
+ describe "when passed nil as a separator" do
+ it "yields self's content starting from the current position when the passed separator is nil" do
+ @io.pos = 100
+ @io.send(@method, nil, 1024) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == ["qui a linha cinco.\nHere is line six.\n"]
+ end
+ end
+
+ describe "when passed an empty String as a separator" do
+ it "yields each paragraph" do
+ @io.send(@method, "", 1024) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.paragraphs
+ end
+
+ it "discards leading newlines" do
+ @io.readline
+ @io.readline
+ @io.send(@method, "", 1024) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.paragraphs[1..-1]
+ end
+ end
+ end
+ end
+
+ describe "when passed chomp" do
+ it "yields each line without trailing newline characters to the passed block" do
+ @io.send(@method, chomp: true) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines_without_newline_characters
+ end
+
+ it "raises exception when options passed as Hash" do
+ -> {
+ @io.send(@method, { chomp: true }) { |s| }
+ }.should raise_error(TypeError)
+
+ -> {
+ @io.send(@method, "\n", 1, { chomp: true }) { |s| }
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)")
+ end
+ end
+
+ describe "when passed chomp and a separator" do
+ it "yields each line without separator to the passed block" do
+ @io.send(@method, " ", chomp: true) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines_space_separator_without_trailing_spaces
+ end
+ end
+
+ describe "when passed chomp and empty line as a separator" do
+ it "yields each paragraph without trailing new line characters" do
+ @io.send(@method, "", 1024, chomp: true) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.paragraphs_without_trailing_new_line_characters
+ end
+ end
+
+ describe "when passed chomp and nil as a separator" do
+ it "yields self's content" do
+ @io.pos = 100
+ @io.send(@method, nil, chomp: true) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == ["qui a linha cinco.\nHere is line six.\n"]
+ end
+ end
+
+ describe "when passed chomp, nil as a separator, and a limit" do
+ it "yields each line of limit size without truncating trailing new line character" do
+ # 43 - is a size of the 1st paragraph in the file
+ @io.send(@method, nil, 43, chomp: true) { |s| ScratchPad << s }
+
+ ScratchPad.recorded.should == [
+ "Voici la ligne une.\nQui è la linea due.\n\n\n",
+ "Aquí está la línea tres.\n" + "Hier ist Zeile ",
+ "vier.\n\nEstá aqui a linha cinco.\nHere is li",
+ "ne six.\n"
+ ]
+ end
+ end
+
+ describe "when passed too many arguments" do
+ it "raises ArgumentError" do
+ -> {
+ @io.send(@method, "", 1, "excess argument", chomp: true) {}
+ }.should raise_error(ArgumentError)
+ end
+ end
+end
+
+describe :io_each_default_separator, shared: true do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ ScratchPad.record []
+ suppress_warning {@sep, $/ = $/, " "}
+ end
+
+ after :each do
+ @io.close if @io
+ suppress_warning {$/ = @sep}
+ end
+
+ it "uses $/ as the default line separator" do
+ @io.send(@method) { |s| ScratchPad << s }
+ ScratchPad.recorded.should == IOSpecs.lines_space_separator
+ end
+end
diff --git a/spec/ruby/core/io/shared/gets_ascii.rb b/spec/ruby/core/io/shared/gets_ascii.rb
new file mode 100644
index 0000000000..2bd5470d99
--- /dev/null
+++ b/spec/ruby/core/io/shared/gets_ascii.rb
@@ -0,0 +1,19 @@
+# encoding: binary
+describe :io_gets_ascii, shared: true do
+ describe "with ASCII separator" do
+ before :each do
+ @name = tmp("gets_specs.txt")
+ touch(@name, "wb") { |f| f.print "this is a test\xFFtesty\ntestier" }
+
+ File.open(@name, "rb") { |f| @data = f.send(@method, "\xFF") }
+ end
+
+ after :each do
+ rm_r @name
+ end
+
+ it "returns the separator's character representation" do
+ @data.should == "this is a test\xFF"
+ end
+ end
+end
diff --git a/spec/ruby/core/io/shared/new.rb b/spec/ruby/core/io/shared/new.rb
new file mode 100644
index 0000000000..e84133493c
--- /dev/null
+++ b/spec/ruby/core/io/shared/new.rb
@@ -0,0 +1,413 @@
+require_relative '../fixtures/classes'
+
+# NOTE: should be synchronized with library/stringio/initialize_spec.rb
+
+# This group of specs may ONLY contain specs that do successfully create
+# an IO instance from the file descriptor returned by #new_fd helper.
+describe :io_new, shared: true do
+ before :each do
+ @name = tmp("io_new.txt")
+ @fd = new_fd @name
+ @io = nil
+ end
+
+ after :each do
+ if @io
+ @io.close
+ elsif @fd
+ IO.new(@fd, "w").close
+ end
+ rm_r @name
+ end
+
+ it "creates an IO instance from an Integer argument" do
+ @io = IO.send(@method, @fd, "w")
+ @io.should be_an_instance_of(IO)
+ end
+
+ it "creates an IO instance when STDOUT is closed" do
+ suppress_warning do
+ stdout = STDOUT
+ stdout_file = tmp("stdout.txt")
+
+ begin
+ @io = IO.send(@method, @fd, "w")
+ @io.should be_an_instance_of(IO)
+ ensure
+ STDOUT = stdout
+ rm_r stdout_file
+ end
+ end
+ end
+
+ it "creates an IO instance when STDERR is closed" do
+ suppress_warning do
+ stderr = STDERR
+ stderr_file = tmp("stderr.txt")
+ STDERR = new_io stderr_file
+ STDERR.close
+
+ begin
+ @io = IO.send(@method, @fd, "w")
+ @io.should be_an_instance_of(IO)
+ ensure
+ STDERR = stderr
+ rm_r stderr_file
+ end
+ end
+ end
+
+ it "calls #to_int on an object to convert to an Integer" do
+ obj = mock("file descriptor")
+ obj.should_receive(:to_int).and_return(@fd)
+ @io = IO.send(@method, obj, "w")
+ @io.should be_an_instance_of(IO)
+ end
+
+ it "accepts options as keyword arguments" do
+ @io = IO.send(@method, @fd, "w", flags: File::CREAT)
+ @io.write("foo").should == 3
+
+ -> {
+ IO.send(@method, @fd, "w", {flags: File::CREAT})
+ }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 1..2)")
+ end
+
+ it "accepts a :mode option" do
+ @io = IO.send(@method, @fd, mode: "w")
+ @io.write("foo").should == 3
+ end
+
+ it "accepts a mode argument set to nil with a valid :mode option" do
+ @io = IO.send(@method, @fd, nil, mode: "w")
+ @io.write("foo").should == 3
+ end
+
+ it "accepts a mode argument with a :mode option set to nil" do
+ @io = IO.send(@method, @fd, "w", mode: nil)
+ @io.write("foo").should == 3
+ end
+
+ it "uses the external encoding specified in the mode argument" do
+ @io = IO.send(@method, @fd, 'w:utf-8')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ end
+
+ it "uses the external and the internal encoding specified in the mode argument" do
+ @io = IO.send(@method, @fd, 'w:utf-8:ISO-8859-1')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ @io.internal_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "uses the external encoding specified via the :external_encoding option" do
+ @io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ end
+
+ it "uses the internal encoding specified via the :internal_encoding option" do
+ @io = IO.send(@method, @fd, 'w', internal_encoding: 'ibm866')
+ @io.internal_encoding.to_s.should == 'IBM866'
+ end
+
+ it "uses the colon-separated encodings specified via the :encoding option" do
+ @io = IO.send(@method, @fd, 'w', encoding: 'utf-8:ISO-8859-1')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ @io.internal_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "uses the :encoding option as the external encoding when only one is given" do
+ @io = IO.send(@method, @fd, 'w', encoding: 'ISO-8859-1')
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "uses the :encoding options as the external encoding when it's an Encoding object" do
+ @io = IO.send(@method, @fd, 'w', encoding: Encoding::ISO_8859_1)
+ @io.external_encoding.should == Encoding::ISO_8859_1
+ end
+
+ it "ignores the :encoding option when the :external_encoding option is present" do
+ -> {
+ @io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', encoding: 'iso-8859-1:iso-8859-1')
+ }.should complain(/Ignoring encoding parameter/)
+ @io.external_encoding.to_s.should == 'UTF-8'
+ end
+
+ it "ignores the :encoding option when the :internal_encoding option is present" do
+ -> {
+ @io = IO.send(@method, @fd, 'w', internal_encoding: 'ibm866', encoding: 'iso-8859-1:iso-8859-1')
+ }.should complain(/Ignoring encoding parameter/)
+ @io.internal_encoding.to_s.should == 'IBM866'
+ end
+
+ it "uses the encoding specified via the :mode option hash" do
+ @io = IO.send(@method, @fd, mode: 'w:utf-8:ISO-8859-1')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ @io.internal_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "ignores the :internal_encoding option when the same as the external encoding" do
+ @io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', internal_encoding: 'utf-8')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ @io.internal_encoding.to_s.should == ''
+ end
+
+ it "sets internal encoding to nil when passed '-'" do
+ @io = IO.send(@method, @fd, 'w', external_encoding: 'utf-8', internal_encoding: '-')
+ @io.external_encoding.to_s.should == 'UTF-8'
+ @io.internal_encoding.to_s.should == ''
+ end
+
+ it "sets binmode from mode string" do
+ @io = IO.send(@method, @fd, 'wb')
+ @io.should.binmode?
+ end
+
+ it "does not set binmode without being asked" do
+ @io = IO.send(@method, @fd, 'w')
+ @io.should_not.binmode?
+ end
+
+ it "sets binmode from :binmode option" do
+ @io = IO.send(@method, @fd, 'w', binmode: true)
+ @io.should.binmode?
+ end
+
+ it "does not set binmode from false :binmode" do
+ @io = IO.send(@method, @fd, 'w', binmode: false)
+ @io.should_not.binmode?
+ end
+
+ it "sets external encoding to binary with binmode in mode string" do
+ @io = IO.send(@method, @fd, 'wb')
+ @io.external_encoding.should == Encoding::BINARY
+ end
+
+ # #5917
+ it "sets external encoding to binary with :binmode option" do
+ @io = IO.send(@method, @fd, 'w', binmode: true)
+ @io.external_encoding.should == Encoding::BINARY
+ end
+
+ it "does not use binary encoding when mode encoding is specified" do
+ @io = IO.send(@method, @fd, 'wb:iso-8859-1')
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "does not use binary encoding when :encoding option is specified" do
+ @io = IO.send(@method, @fd, 'wb', encoding: "iso-8859-1")
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "does not use binary encoding when :external_encoding option is specified" do
+ @io = IO.send(@method, @fd, 'wb', external_encoding: "iso-8859-1")
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "does not use binary encoding when :internal_encoding option is specified" do
+ @io = IO.send(@method, @fd, 'wb', internal_encoding: "ibm866")
+ @io.internal_encoding.to_s.should == 'IBM866'
+ end
+
+ it "does not use binary encoding when mode encoding is specified along with binmode: true option" do
+ @io = IO.send(@method, @fd, 'w:iso-8859-1', binmode: true)
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "does not use textmode argument when mode encoding is specified" do
+ @io = IO.send(@method, @fd, 'w:ascii-8bit', textmode: true)
+ @io.external_encoding.to_s.should == 'ASCII-8BIT'
+ end
+
+ it "does not use binmode argument when external encoding is specified via the :external_encoding option" do
+ @io = IO.send(@method, @fd, 'w', binmode: true, external_encoding: 'iso-8859-1')
+ @io.external_encoding.to_s.should == 'ISO-8859-1'
+ end
+
+ it "does not use textmode argument when external encoding is specified via the :external_encoding option" do
+ @io = IO.send(@method, @fd, 'w', textmode: true, external_encoding: 'ascii-8bit')
+ @io.external_encoding.to_s.should == 'ASCII-8BIT'
+ end
+
+ it "raises ArgumentError for nil options" do
+ -> {
+ IO.send(@method, @fd, 'w', nil)
+ }.should raise_error(ArgumentError)
+ end
+
+ it "coerces mode with #to_str" do
+ mode = mock("mode")
+ mode.should_receive(:to_str).and_return('w')
+ @io = IO.send(@method, @fd, mode)
+ end
+
+ it "coerces mode with #to_int" do
+ mode = mock("mode")
+ mode.should_receive(:to_int).and_return(File::WRONLY)
+ @io = IO.send(@method, @fd, mode)
+ end
+
+ it "coerces mode with #to_str when passed in options" do
+ mode = mock("mode")
+ mode.should_receive(:to_str).and_return('w')
+ @io = IO.send(@method, @fd, mode: mode)
+ end
+
+ it "coerces mode with #to_int when passed in options" do
+ mode = mock("mode")
+ mode.should_receive(:to_int).and_return(File::WRONLY)
+ @io = IO.send(@method, @fd, mode: mode)
+ end
+
+ it "coerces :encoding option with #to_str" do
+ encoding = mock("encoding")
+ encoding.should_receive(:to_str).and_return('utf-8')
+ @io = IO.send(@method, @fd, 'w', encoding: encoding)
+ end
+
+ it "coerces :external_encoding option with #to_str" do
+ encoding = mock("encoding")
+ encoding.should_receive(:to_str).and_return('utf-8')
+ @io = IO.send(@method, @fd, 'w', external_encoding: encoding)
+ end
+
+ it "coerces :internal_encoding option with #to_str" do
+ encoding = mock("encoding")
+ encoding.should_receive(:to_str).at_least(:once).and_return('utf-8')
+ @io = IO.send(@method, @fd, 'w', internal_encoding: encoding)
+ end
+
+ it "coerces options as third argument with #to_hash" do
+ options = mock("options")
+ options.should_receive(:to_hash).and_return({})
+ @io = IO.send(@method, @fd, 'w', **options)
+ end
+
+ it "coerces options as second argument with #to_hash" do
+ options = mock("options")
+ options.should_receive(:to_hash).and_return({})
+ @io = IO.send(@method, @fd, **options)
+ end
+
+ it "accepts an :autoclose option" do
+ @io = IO.send(@method, @fd, 'w', autoclose: false)
+ @io.should_not.autoclose?
+ @io.autoclose = true
+ end
+
+ it "accepts any truthy option :autoclose" do
+ @io = IO.send(@method, @fd, 'w', autoclose: 42)
+ @io.should.autoclose?
+ end
+end
+
+# This group of specs may ONLY contain specs that do not actually create
+# an IO instance from the file descriptor returned by #new_fd helper.
+describe :io_new_errors, shared: true do
+ before :each do
+ @name = tmp("io_new.txt")
+ @fd = new_fd @name
+ end
+
+ after :each do
+ IO.new(@fd, "w").close if @fd
+ rm_r @name
+ end
+
+ it "raises an Errno::EBADF if the file descriptor is not valid" do
+ -> { IO.send(@method, -1, "w") }.should raise_error(Errno::EBADF)
+ end
+
+ it "raises an IOError if passed a closed stream" do
+ -> { IO.send(@method, IOSpecs.closed_io.fileno, 'w') }.should raise_error(IOError)
+ end
+
+ platform_is_not :windows do
+ it "raises an Errno::EINVAL if the new mode is not compatible with the descriptor's current mode" do
+ -> { IO.send(@method, @fd, "r") }.should raise_error(Errno::EINVAL)
+ end
+ end
+
+ it "raises ArgumentError if passed an empty mode string" do
+ -> { IO.send(@method, @fd, "") }.should raise_error(ArgumentError)
+ end
+
+ it "raises an error if passed modes two ways" do
+ -> {
+ IO.send(@method, @fd, "w", mode: "w")
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises an error if passed encodings two ways" do
+ -> {
+ @io = IO.send(@method, @fd, 'w:ISO-8859-1', encoding: 'ISO-8859-1')
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, 'w:ISO-8859-1', external_encoding: 'ISO-8859-1')
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, 'w:ISO-8859-1', internal_encoding: 'ISO-8859-1')
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, 'w:ISO-8859-1:UTF-8', internal_encoding: 'ISO-8859-1')
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises an error if passed matching binary/text mode two ways" do
+ -> {
+ @io = IO.send(@method, @fd, "wb", binmode: true)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, "wt", textmode: true)
+ }.should raise_error(ArgumentError)
+
+ -> {
+ @io = IO.send(@method, @fd, "wb", textmode: false)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, "wt", binmode: false)
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises an error if passed conflicting binary/text mode two ways" do
+ -> {
+ @io = IO.send(@method, @fd, "wb", binmode: false)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, "wt", textmode: false)
+ }.should raise_error(ArgumentError)
+
+ -> {
+ @io = IO.send(@method, @fd, "wb", textmode: true)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, "wt", binmode: true)
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises an error when trying to set both binmode and textmode" do
+ -> {
+ @io = IO.send(@method, @fd, "w", textmode: true, binmode: true)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, File::Constants::WRONLY, textmode: true, binmode: true)
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises ArgumentError if not passed a hash or nil for options" do
+ -> {
+ @io = IO.send(@method, @fd, 'w', false)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, false, false)
+ }.should raise_error(ArgumentError)
+ -> {
+ @io = IO.send(@method, @fd, nil, false)
+ }.should raise_error(ArgumentError)
+ end
+
+ it "raises ArgumentError if passed a hash for mode and nil for options" do
+ -> {
+ @io = IO.send(@method, @fd, {mode: 'w'}, nil)
+ }.should raise_error(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/io/shared/pos.rb b/spec/ruby/core/io/shared/pos.rb
new file mode 100644
index 0000000000..3fdd3eb2b3
--- /dev/null
+++ b/spec/ruby/core/io/shared/pos.rb
@@ -0,0 +1,78 @@
+describe :io_pos, shared: true do
+ before :each do
+ @fname = tmp('test.txt')
+ File.open(@fname, 'w') { |f| f.write "123" }
+ end
+
+ after :each do
+ rm_r @fname
+ end
+
+ it "gets the offset" do
+ File.open @fname do |f|
+ f.send(@method).should == 0
+ f.read 1
+ f.send(@method).should == 1
+ f.read 2
+ f.send(@method).should == 3
+ end
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.send(@method) }.should raise_error(IOError)
+ end
+
+ it "resets #eof?" do
+ open @fname do |io|
+ io.read 1
+ io.read 1
+ io.send(@method)
+ io.should_not.eof?
+ end
+ end
+end
+
+describe :io_set_pos, shared: true do
+ before :each do
+ @fname = tmp('test.txt')
+ File.open(@fname, 'w') { |f| f.write "123" }
+ end
+
+ after :each do
+ rm_r @fname
+ end
+
+ it "sets the offset" do
+ File.open @fname do |f|
+ val1 = f.read 1
+ f.send @method, 0
+ f.read(1).should == val1
+ end
+ end
+
+ it "converts arguments to Integers" do
+ File.open @fname do |io|
+ o = mock("o")
+ o.should_receive(:to_int).and_return(1)
+
+ io.send @method, o
+ io.pos.should == 1
+ end
+ end
+
+ it "raises TypeError when cannot convert implicitly argument to Integer" do
+ File.open @fname do |io|
+ -> { io.send @method, Object.new }.should raise_error(TypeError, "no implicit conversion of Object into Integer")
+ end
+ end
+
+ it "does not accept Integers that don't fit in a C off_t" do
+ File.open @fname do |io|
+ -> { io.send @method, 2**128 }.should raise_error(RangeError)
+ end
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.send @method, 0 }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/shared/readlines.rb b/spec/ruby/core/io/shared/readlines.rb
new file mode 100644
index 0000000000..6c1fa11a59
--- /dev/null
+++ b/spec/ruby/core/io/shared/readlines.rb
@@ -0,0 +1,259 @@
+describe :io_readlines, shared: true do
+ it "raises TypeError if the first parameter is nil" do
+ -> { IO.send(@method, nil, &@object) }.should raise_error(TypeError)
+ end
+
+ it "raises an Errno::ENOENT if the file does not exist" do
+ name = tmp("nonexistent.txt")
+ -> { IO.send(@method, name, &@object) }.should raise_error(Errno::ENOENT)
+ end
+
+ it "yields a single string with entire content when the separator is nil" do
+ result = IO.send(@method, @name, nil, &@object)
+ (result ? result : ScratchPad.recorded).should == [IO.read(@name)]
+ end
+
+ it "yields a sequence of paragraphs when the separator is an empty string" do
+ result = IO.send(@method, @name, "", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_empty_separator
+ end
+
+ it "yields a sequence of lines without trailing newline characters when chomp is passed" do
+ result = IO.send(@method, @name, chomp: true, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_without_newline_characters
+ end
+end
+
+describe :io_readlines_options_19, shared: true do
+ before :each do
+ @filename = tmp("io readlines options")
+ end
+
+ after :each do
+ rm_r @filename
+ end
+
+ describe "when passed name" do
+ it "calls #to_path to convert the name" do
+ name = mock("io name to_path")
+ name.should_receive(:to_path).and_return(@name)
+ IO.send(@method, name, &@object)
+ end
+
+ it "defaults to $/ as the separator" do
+ result = IO.send(@method, @name, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines
+ end
+ end
+
+ describe "when passed name, object" do
+ it "calls #to_str to convert the object to a separator" do
+ sep = mock("io readlines separator")
+ sep.should_receive(:to_str).at_least(1).and_return(" ")
+ result = IO.send(@method, @name, sep, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator
+ end
+
+ describe "when the object is an Integer" do
+ before :each do
+ @sep = $/
+ end
+
+ after :each do
+ suppress_warning {$/ = @sep}
+ end
+
+ it "defaults to $/ as the separator" do
+ suppress_warning {$/ = " "}
+ result = IO.send(@method, @name, 10, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "uses the object as a limit if it is an Integer" do
+ result = IO.send(@method, @name, 10, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_limit
+ end
+
+ it "ignores the object as a limit if it is negative" do
+ result = IO.send(@method, @name, -2, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines
+ end
+
+ it "does not accept Integers that don't fit in a C off_t" do
+ -> { IO.send(@method, @name, 2**128, &@object) }.should raise_error(RangeError)
+ end
+
+ ruby_bug "#18767", ""..."3.3" do
+ describe "when passed limit" do
+ it "raises ArgumentError when passed 0 as a limit" do
+ -> { IO.send(@method, @name, 0, &@object) }.should raise_error(ArgumentError)
+ end
+ end
+ end
+ end
+
+ describe "when the object is a String" do
+ it "uses the value as the separator" do
+ result = IO.send(@method, @name, " ", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator
+ end
+
+ it "accepts non-ASCII data as separator" do
+ result = IO.send(@method, @name, "\303\250".dup.force_encoding("utf-8"), &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_arbitrary_separator
+ end
+ end
+
+ describe "when the object is an options Hash" do
+ it "raises TypeError exception" do
+ -> {
+ IO.send(@method, @name, { chomp: true }, &@object)
+ }.should raise_error(TypeError)
+ end
+ end
+
+ describe "when the object is neither Integer nor String" do
+ it "raises TypeError exception" do
+ obj = mock("not io readlines limit")
+
+ -> {
+ IO.send(@method, @name, obj, &@object)
+ }.should raise_error(TypeError)
+ end
+ end
+ end
+
+ describe "when passed name, keyword arguments" do
+ it "uses the keyword arguments as options" do
+ result = IO.send(@method, @name, mode: "r", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines
+ end
+ end
+
+ describe "when passed name, object, object" do
+ describe "when the first object is a String" do
+ it "uses the second object as a limit if it is an Integer" do
+ result = IO.send(@method, @name, " ", 10, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "calls #to_int to convert the second object" do
+ limit = mock("io readlines limit")
+ limit.should_receive(:to_int).at_least(1).and_return(10)
+ result = IO.send(@method, @name, " ", limit, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+ end
+
+ describe "when the first object is not a String or Integer" do
+ it "calls #to_str to convert the object to a String" do
+ sep = mock("io readlines separator")
+ sep.should_receive(:to_str).at_least(1).and_return(" ")
+ result = IO.send(@method, @name, sep, 10, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "uses the second object as a limit if it is an Integer" do
+ result = IO.send(@method, @name, " ", 10, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "calls #to_int to convert the second object" do
+ limit = mock("io readlines limit")
+ limit.should_receive(:to_int).at_least(1).and_return(10)
+ result = IO.send(@method, @name, " ", limit, &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+ end
+
+ describe "when the second object is neither Integer nor String" do
+ it "raises TypeError exception" do
+ obj = mock("not io readlines limit")
+
+ -> {
+ IO.send(@method, @name, " ", obj, &@object)
+ }.should raise_error(TypeError)
+ end
+ end
+
+ describe "when the second object is an options Hash" do
+ it "raises TypeError exception" do
+ -> {
+ IO.send(@method, @name, "", { chomp: true }, &@object)
+ }.should raise_error(TypeError)
+ end
+ end
+ end
+
+ describe "when passed name, object, keyword arguments" do
+ describe "when the first object is an Integer" do
+ it "uses the keyword arguments as options" do
+ -> do
+ IO.send(@method, @filename, 10, mode: "w", &@object)
+ end.should raise_error(IOError)
+ end
+ end
+
+ describe "when the first object is a String" do
+ it "uses the keyword arguments as options" do
+ -> do
+ IO.send(@method, @filename, " ", mode: "w", &@object)
+ end.should raise_error(IOError)
+ end
+ end
+
+ describe "when the first object is not a String or Integer" do
+ it "uses the keyword arguments as options" do
+ sep = mock("io readlines separator")
+ sep.should_receive(:to_str).at_least(1).and_return(" ")
+
+ -> do
+ IO.send(@method, @filename, sep, mode: "w", &@object)
+ end.should raise_error(IOError)
+ end
+ end
+ end
+
+ describe "when passed name, separator, limit, keyword arguments" do
+ it "calls #to_path to convert the name object" do
+ name = mock("io name to_path")
+ name.should_receive(:to_path).and_return(@name)
+ result = IO.send(@method, name, " ", 10, mode: "r", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "calls #to_str to convert the separator object" do
+ sep = mock("io readlines separator")
+ sep.should_receive(:to_str).at_least(1).and_return(" ")
+ result = IO.send(@method, @name, sep, 10, mode: "r", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "calls #to_int to convert the limit argument" do
+ limit = mock("io readlines limit")
+ limit.should_receive(:to_int).at_least(1).and_return(10)
+ result = IO.send(@method, @name, " ", limit, mode: "r", &@object)
+ (result ? result : ScratchPad.recorded).should == IOSpecs.lines_space_separator_limit
+ end
+
+ it "uses the keyword arguments as options" do
+ -> do
+ IO.send(@method, @filename, " ", 10, mode: "w", &@object)
+ end.should raise_error(IOError)
+ end
+
+ describe "when passed chomp, nil as a separator, and a limit" do
+ it "yields each line of limit size without truncating trailing new line character" do
+ # 43 - is a size of the 1st paragraph in the file
+ result = IO.send(@method, @name, nil, 43, chomp: true, &@object)
+
+ (result ? result : ScratchPad.recorded).should == [
+ "Voici la ligne une.\nQui è la linea due.\n\n\n",
+ "Aquí está la línea tres.\n" + "Hier ist Zeile ",
+ "vier.\n\nEstá aqui a linha cinco.\nHere is li",
+ "ne six.\n"
+ ]
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/shared/tty.rb b/spec/ruby/core/io/shared/tty.rb
new file mode 100644
index 0000000000..89ac08ec86
--- /dev/null
+++ b/spec/ruby/core/io/shared/tty.rb
@@ -0,0 +1,24 @@
+require_relative '../fixtures/classes'
+
+describe :io_tty, shared: true do
+ platform_is_not :windows do
+ it "returns true if this stream is a terminal device (TTY)" do
+ begin
+ # check to enabled tty
+ File.open('/dev/tty') {}
+ rescue Errno::ENXIO
+ skip "workaround for not configured environment like OS X"
+ else
+ File.open('/dev/tty') { |f| f.send(@method) }.should == true
+ end
+ end
+ end
+
+ it "returns false if this stream is not a terminal device (TTY)" do
+ File.open(__FILE__) { |f| f.send(@method) }.should == false
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.send @method }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/shared/write.rb b/spec/ruby/core/io/shared/write.rb
new file mode 100644
index 0000000000..964064746a
--- /dev/null
+++ b/spec/ruby/core/io/shared/write.rb
@@ -0,0 +1,154 @@
+# encoding: utf-8
+require_relative '../fixtures/classes'
+
+describe :io_write, shared: true do
+ before :each do
+ @filename = tmp("IO_syswrite_file") + $$.to_s
+ File.open(@filename, "w") do |file|
+ file.send(@method, "012345678901234567890123456789")
+ end
+ @file = File.open(@filename, "r+")
+ @readonly_file = File.open(@filename)
+ end
+
+ after :each do
+ @readonly_file.close if @readonly_file
+ @file.close if @file
+ rm_r @filename
+ end
+
+ it "coerces the argument to a string using to_s" do
+ (obj = mock('test')).should_receive(:to_s).and_return('a string')
+ @file.send(@method, obj)
+ end
+
+ it "checks if the file is writable if writing more than zero bytes" do
+ -> { @readonly_file.send(@method, "abcde") }.should raise_error(IOError)
+ end
+
+ it "returns the number of bytes written" do
+ written = @file.send(@method, "abcde")
+ written.should == 5
+ end
+
+ it "invokes to_s on non-String argument" do
+ data = "abcdefgh9876"
+ (obj = mock(data)).should_receive(:to_s).and_return(data)
+ @file.send(@method, obj)
+ @file.seek(0)
+ @file.read(data.size).should == data
+ end
+
+ it "writes all of the string's bytes without buffering if mode is sync" do
+ @file.sync = true
+ written = @file.send(@method, "abcde")
+ written.should == 5
+ File.open(@filename) do |file|
+ file.read(10).should == "abcde56789"
+ end
+ end
+
+ it "does not warn if called after IO#read" do
+ @file.read(5)
+ -> { @file.send(@method, "fghij") }.should_not complain
+ end
+
+ it "writes to the current position after IO#read" do
+ @file.read(5)
+ @file.send(@method, "abcd")
+ @file.rewind
+ @file.read.should == "01234abcd901234567890123456789"
+ end
+
+ it "advances the file position by the count of given bytes" do
+ @file.send(@method, "abcde")
+ @file.read(10).should == "5678901234"
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.send(@method, "hello") }.should raise_error(IOError)
+ end
+
+ describe "on a pipe" do
+ before :each do
+ @r, @w = IO.pipe
+ end
+
+ after :each do
+ @r.close
+ @w.close
+ end
+
+ it "writes the given String to the pipe" do
+ @w.send(@method, "foo")
+ @w.close
+ @r.read.should == "foo"
+ end
+
+ # [ruby-core:90895] RJIT worker may leave fd open in a forked child.
+ # For instance, RJIT creates a worker before @r.close with fork(), @r.close happens,
+ # and the RJIT worker keeps the pipe open until the worker execve().
+ # TODO: consider acquiring GVL from RJIT worker.
+ guard_not -> { defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled? } do
+ it "raises Errno::EPIPE if the read end is closed and does not die from SIGPIPE" do
+ @r.close
+ -> { @w.send(@method, "foo") }.should raise_error(Errno::EPIPE, /Broken pipe/)
+ end
+ end
+ end
+end
+
+describe :io_write_transcode, shared: true do
+ before :each do
+ @transcode_filename = tmp("io_write_transcode")
+ end
+
+ after :each do
+ rm_r @transcode_filename
+ end
+
+ it "transcodes the given string when the external encoding is set and neither is BINARY" do
+ utf8_str = "hello"
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ file.send(@method, utf8_str)
+ end
+
+ result = File.binread(@transcode_filename)
+ expected = [0, 104, 0, 101, 0, 108, 0, 108, 0, 111] # UTF-16BE bytes for "hello"
+
+ result.bytes.should == expected
+ end
+
+ it "transcodes the given string when the external encoding is set and the string encoding is BINARY" do
+ str = "été".b
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ -> { file.send(@method, str) }.should raise_error(Encoding::UndefinedConversionError)
+ end
+ end
+end
+
+describe :io_write_no_transcode, shared: true do
+ before :each do
+ @transcode_filename = tmp("io_write_no_transcode")
+ end
+
+ after :each do
+ rm_r @transcode_filename
+ end
+
+ it "does not transcode the given string even when the external encoding is set" do
+ utf8_str = "hello"
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ file.send(@method, utf8_str)
+ end
+
+ result = File.binread(@transcode_filename)
+ result.bytes.should == utf8_str.bytes
+ end
+end
diff --git a/spec/ruby/core/io/stat_spec.rb b/spec/ruby/core/io/stat_spec.rb
new file mode 100644
index 0000000000..717c45d0a3
--- /dev/null
+++ b/spec/ruby/core/io/stat_spec.rb
@@ -0,0 +1,25 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#stat" do
+ before :each do
+ cmd = platform_is(:windows) ? 'rem' : 'cat'
+ @io = IO.popen cmd, "r+"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.stat }.should raise_error(IOError)
+ end
+
+ it "returns a File::Stat object for the stream" do
+ STDOUT.stat.should be_an_instance_of(File::Stat)
+ end
+
+ it "can stat pipes" do
+ @io.stat.should be_an_instance_of(File::Stat)
+ end
+end
diff --git a/spec/ruby/core/io/sync_spec.rb b/spec/ruby/core/io/sync_spec.rb
new file mode 100644
index 0000000000..993b7ee244
--- /dev/null
+++ b/spec/ruby/core/io/sync_spec.rb
@@ -0,0 +1,64 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#sync=" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "sets the sync mode to true or false" do
+ @io.sync = true
+ @io.sync.should == true
+ @io.sync = false
+ @io.sync.should == false
+ end
+
+ it "accepts non-boolean arguments" do
+ @io.sync = 10
+ @io.sync.should == true
+ @io.sync = nil
+ @io.sync.should == false
+ @io.sync = Object.new
+ @io.sync.should == true
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.sync = true }.should raise_error(IOError)
+ end
+end
+
+describe "IO#sync" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "returns the current sync mode" do
+ @io.sync.should == false
+ end
+
+ it "raises an IOError on closed stream" do
+ -> { IOSpecs.closed_io.sync }.should raise_error(IOError)
+ end
+end
+
+describe "IO#sync" do
+ it "is false by default for STDIN" do
+ STDIN.sync.should == false
+ end
+
+ it "is false by default for STDOUT" do
+ STDOUT.sync.should == false
+ end
+
+ it "is true by default for STDERR" do
+ STDERR.sync.should == true
+ end
+end
diff --git a/spec/ruby/core/io/sysopen_spec.rb b/spec/ruby/core/io/sysopen_spec.rb
new file mode 100644
index 0000000000..7ad379df3a
--- /dev/null
+++ b/spec/ruby/core/io/sysopen_spec.rb
@@ -0,0 +1,50 @@
+require_relative '../../spec_helper'
+
+describe "IO.sysopen" do
+ before :each do
+ @filename = tmp("rubinius-spec-io-sysopen-#{$$}.txt")
+ @fd = nil
+ end
+
+ after :each do
+ IO.for_fd(@fd).close if @fd
+ rm_r @filename
+ end
+
+ it "returns the file descriptor for a given path" do
+ @fd = IO.sysopen(@filename, "w")
+ @fd.should be_kind_of(Integer)
+ @fd.should_not equal(0)
+ end
+
+ # opening a directory is not supported on Windows
+ platform_is_not :windows do
+ it "works on directories" do
+ @fd = IO.sysopen(tmp("")) # /tmp
+ @fd.should be_kind_of(Integer)
+ @fd.should_not equal(0)
+ end
+ end
+
+ it "calls #to_path to convert an object to a path" do
+ path = mock('sysopen to_path')
+ path.should_receive(:to_path).and_return(@filename)
+ @fd = IO.sysopen(path, 'w')
+ end
+
+ it "accepts a mode as second argument" do
+ -> { @fd = IO.sysopen(@filename, "w") }.should_not raise_error
+ @fd.should_not equal(0)
+ end
+
+ it "accepts permissions as third argument" do
+ @fd = IO.sysopen(@filename, "w", 777)
+ @fd.should_not equal(0)
+ end
+
+ it "accepts mode & permission that are nil" do
+ touch @filename # create the file
+ @fd = IO.sysopen(@filename, nil, nil)
+ @fd.should_not equal(0)
+ end
+end
diff --git a/spec/ruby/core/io/sysread_spec.rb b/spec/ruby/core/io/sysread_spec.rb
new file mode 100644
index 0000000000..d56a27b3af
--- /dev/null
+++ b/spec/ruby/core/io/sysread_spec.rb
@@ -0,0 +1,137 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#sysread on a file" do
+ before :each do
+ @file_name = tmp("IO_sysread_file") + $$.to_s
+ File.open(@file_name, "w") do |f|
+ # write some stuff
+ f.write("012345678901234567890123456789\nabcdef")
+ end
+ @file = File.open(@file_name, "r+")
+ end
+
+ after :each do
+ @file.close
+ rm_r @file_name
+ end
+
+ it "reads the specified number of bytes from the file" do
+ @file.sysread(15).should == "012345678901234"
+ end
+
+ it "reads the specified number of bytes from the file to the buffer" do
+ buf = +"" # empty buffer
+ @file.sysread(15, buf).should == buf
+ buf.should == "012345678901234"
+
+ @file.rewind
+
+ buf = +"ABCDE" # small buffer
+ @file.sysread(15, buf).should == buf
+ buf.should == "012345678901234"
+
+ @file.rewind
+
+ buf = +"ABCDE" * 5 # large buffer
+ @file.sysread(15, buf).should == buf
+ buf.should == "012345678901234"
+ end
+
+ it "coerces the second argument to string and uses it as a buffer" do
+ buf = +"ABCDE"
+ (obj = mock("buff")).should_receive(:to_str).any_number_of_times.and_return(buf)
+ @file.sysread(15, obj).should == buf
+ buf.should == "012345678901234"
+ end
+
+ it "advances the position of the file by the specified number of bytes" do
+ @file.sysread(15)
+ @file.sysread(5).should == "56789"
+ end
+
+ it "raises an error when called after buffered reads" do
+ @file.readline
+ -> { @file.sysread(5) }.should raise_error(IOError)
+ end
+
+ it "reads normally even when called immediately after a buffered IO#read" do
+ @file.read(15)
+ @file.sysread(5).should == "56789"
+ end
+
+ it "does not raise error if called after IO#read followed by IO#write" do
+ @file.read(5)
+ @file.write("abcde")
+ -> { @file.sysread(5) }.should_not raise_error(IOError)
+ end
+
+ it "does not raise error if called after IO#read followed by IO#syswrite" do
+ @file.read(5)
+ @file.syswrite("abcde")
+ -> { @file.sysread(5) }.should_not raise_error(IOError)
+ end
+
+ it "reads updated content after the flushed buffered IO#write" do
+ @file.write("abcde")
+ @file.flush
+ @file.sysread(5).should == "56789"
+ File.open(@file_name) do |f|
+ f.sysread(10).should == "abcde56789"
+ end
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.sysread(5) }.should raise_error(IOError)
+ end
+
+ it "immediately returns an empty string if the length argument is 0" do
+ @file.sysread(0).should == ""
+ end
+
+ it "immediately returns the given buffer if the length argument is 0" do
+ buffer = +"existing content"
+ @file.sysread(0, buffer).should == buffer
+ buffer.should == "existing content"
+ end
+
+ it "discards the existing buffer content upon successful read" do
+ buffer = +"existing content"
+ @file.sysread(11, buffer).should.equal?(buffer)
+ buffer.should == "01234567890"
+ end
+
+ it "discards the existing buffer content upon error" do
+ buffer = +"existing content"
+ @file.seek(0, :END)
+ -> { @file.sysread(1, buffer) }.should raise_error(EOFError)
+ buffer.should be_empty
+ end
+
+ it "preserves the encoding of the given buffer" do
+ buffer = ''.encode(Encoding::ISO_8859_1)
+ string = @file.sysread(10, buffer)
+
+ buffer.encoding.should == Encoding::ISO_8859_1
+ end
+end
+
+describe "IO#sysread" do
+ before do
+ @read, @write = IO.pipe
+ end
+
+ after do
+ @read.close
+ @write.close
+ end
+
+ it "returns a smaller string if less than size bytes are available" do
+ @write.syswrite "ab"
+ @read.sysread(3).should == "ab"
+ end
+
+ it "raises ArgumentError when length is less than 0" do
+ -> { @read.sysread(-1) }.should raise_error(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/io/sysseek_spec.rb b/spec/ruby/core/io/sysseek_spec.rb
new file mode 100644
index 0000000000..002f2a14eb
--- /dev/null
+++ b/spec/ruby/core/io/sysseek_spec.rb
@@ -0,0 +1,49 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/pos'
+
+describe "IO#sysseek" do
+ it_behaves_like :io_set_pos, :sysseek
+end
+
+describe "IO#sysseek" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "moves the read position relative to the current position with SEEK_CUR" do
+ @io.sysseek(10, IO::SEEK_CUR)
+ @io.readline.should == "igne une.\n"
+ end
+
+ it "raises an error when called after buffered reads" do
+ @io.readline
+ -> { @io.sysseek(-5, IO::SEEK_CUR) }.should raise_error(IOError)
+ end
+
+ it "seeks normally even when called immediately after a buffered IO#read" do
+ @io.read(15)
+ @io.sysseek(-5, IO::SEEK_CUR).should == 10
+ end
+
+ it "moves the read position relative to the start with SEEK_SET" do
+ @io.sysseek(43, IO::SEEK_SET)
+ @io.readline.should == "Aquí está la línea tres.\n"
+ end
+
+ it "moves the read position relative to the end with SEEK_END" do
+ @io.sysseek(1, IO::SEEK_END)
+
+ # this is the safest way of checking the EOF when
+ # sys-* methods are invoked
+ -> { @io.sysread(1) }.should raise_error(EOFError)
+
+ @io.sysseek(-25, IO::SEEK_END)
+ @io.sysread(7).should == "cinco.\n"
+ end
+end
diff --git a/spec/ruby/core/io/syswrite_spec.rb b/spec/ruby/core/io/syswrite_spec.rb
new file mode 100644
index 0000000000..8bf61a27c3
--- /dev/null
+++ b/spec/ruby/core/io/syswrite_spec.rb
@@ -0,0 +1,82 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/write'
+
+describe "IO#syswrite on a file" do
+ before :each do
+ @filename = tmp("IO_syswrite_file") + $$.to_s
+ File.open(@filename, "w") do |file|
+ file.syswrite("012345678901234567890123456789")
+ end
+ @file = File.open(@filename, "r+")
+ @readonly_file = File.open(@filename)
+ end
+
+ after :each do
+ @file.close
+ @readonly_file.close
+ rm_r @filename
+ end
+
+ it "writes all of the string's bytes but does not buffer them" do
+ written = @file.syswrite("abcde")
+ written.should == 5
+ File.open(@filename) do |file|
+ file.sysread(10).should == "abcde56789"
+ file.seek(0)
+ @file.fsync
+ file.sysread(10).should == "abcde56789"
+ end
+ end
+
+ it "does not modify the passed argument" do
+ File.open(@filename, "w") do |f|
+ f.set_encoding(Encoding::IBM437)
+ # A character whose codepoint differs between UTF-8 and IBM437
+ f.syswrite("ƒ".freeze)
+ end
+
+ File.binread(@filename).bytes.should == [198, 146]
+ end
+
+ it "warns if called immediately after a buffered IO#write" do
+ @file.write("abcde")
+ -> { @file.syswrite("fghij") }.should complain(/syswrite/)
+ end
+
+ it "does not warn if called after IO#write with intervening IO#sysread" do
+ @file.syswrite("abcde")
+ @file.sysread(5)
+ -> { @file.syswrite("fghij") }.should_not complain
+ end
+
+ it "writes to the actual file position when called after buffered IO#read" do
+ @file.read(5)
+ @file.syswrite("abcde")
+ File.open(@filename) do |file|
+ file.sysread(10).should == "01234abcde"
+ end
+ end
+end
+
+describe "IO#syswrite on a pipe" do
+ it "returns the written bytes if the fd is in nonblock mode and write would block" do
+ require 'io/nonblock'
+ r, w = IO.pipe
+ begin
+ w.nonblock = true
+ larger_than_pipe_capacity = 2 * 1024 * 1024
+ written = w.syswrite("a"*larger_than_pipe_capacity)
+ written.should > 0
+ written.should < larger_than_pipe_capacity
+ ensure
+ w.close
+ r.close
+ end
+ end
+end
+
+describe "IO#syswrite" do
+ it_behaves_like :io_write, :syswrite
+ it_behaves_like :io_write_no_transcode, :syswrite
+end
diff --git a/spec/ruby/core/io/tell_spec.rb b/spec/ruby/core/io/tell_spec.rb
new file mode 100644
index 0000000000..0d6c6b02d3
--- /dev/null
+++ b/spec/ruby/core/io/tell_spec.rb
@@ -0,0 +1,7 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/pos'
+
+describe "IO#tell" do
+ it_behaves_like :io_pos, :tell
+end
diff --git a/spec/ruby/core/io/to_i_spec.rb b/spec/ruby/core/io/to_i_spec.rb
new file mode 100644
index 0000000000..acf138c663
--- /dev/null
+++ b/spec/ruby/core/io/to_i_spec.rb
@@ -0,0 +1,12 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#to_i" do
+ it "returns the numeric file descriptor of the given IO object" do
+ $stdout.to_i.should == 1
+ end
+
+ it "raises IOError on closed stream" do
+ -> { IOSpecs.closed_io.to_i }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/to_io_spec.rb b/spec/ruby/core/io/to_io_spec.rb
new file mode 100644
index 0000000000..55a0977740
--- /dev/null
+++ b/spec/ruby/core/io/to_io_spec.rb
@@ -0,0 +1,21 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#to_io" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "returns self for open stream" do
+ @io.to_io.should equal(@io)
+ end
+
+ it "returns self for closed stream" do
+ io = IOSpecs.closed_io
+ io.to_io.should equal(io)
+ end
+end
diff --git a/spec/ruby/core/io/try_convert_spec.rb b/spec/ruby/core/io/try_convert_spec.rb
new file mode 100644
index 0000000000..a9e99de7aa
--- /dev/null
+++ b/spec/ruby/core/io/try_convert_spec.rb
@@ -0,0 +1,49 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO.try_convert" do
+ before :each do
+ @name = tmp("io_try_convert.txt")
+ @io = new_io @name
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "returns the passed IO object" do
+ IO.try_convert(@io).should equal(@io)
+ end
+
+ it "does not call #to_io on an IO instance" do
+ @io.should_not_receive(:to_io)
+ IO.try_convert(@io)
+ end
+
+ it "calls #to_io to coerce an object" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return(@io)
+ IO.try_convert(obj).should equal(@io)
+ end
+
+ it "returns nil when the passed object does not respond to #to_io" do
+ IO.try_convert(mock("io")).should be_nil
+ end
+
+ it "return nil when BasicObject is passed" do
+ IO.try_convert(BasicObject.new).should be_nil
+ end
+
+ it "raises a TypeError if the object does not return an IO from #to_io" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_return("io")
+ -> { IO.try_convert(obj) }.should raise_error(TypeError, "can't convert MockObject to IO (MockObject#to_io gives String)")
+ end
+
+ it "propagates an exception raised by #to_io" do
+ obj = mock("io")
+ obj.should_receive(:to_io).and_raise(TypeError.new)
+ ->{ IO.try_convert(obj) }.should raise_error(TypeError)
+ end
+end
diff --git a/spec/ruby/core/io/tty_spec.rb b/spec/ruby/core/io/tty_spec.rb
new file mode 100644
index 0000000000..3b76c6d2b8
--- /dev/null
+++ b/spec/ruby/core/io/tty_spec.rb
@@ -0,0 +1,6 @@
+require_relative '../../spec_helper'
+require_relative 'shared/tty'
+
+describe "IO#tty?" do
+ it_behaves_like :io_tty, :tty?
+end
diff --git a/spec/ruby/core/io/ungetbyte_spec.rb b/spec/ruby/core/io/ungetbyte_spec.rb
new file mode 100644
index 0000000000..716743a6af
--- /dev/null
+++ b/spec/ruby/core/io/ungetbyte_spec.rb
@@ -0,0 +1,54 @@
+require_relative '../../spec_helper'
+
+describe "IO#ungetbyte" do
+ before :each do
+ @name = tmp("io_ungetbyte")
+ touch(@name) { |f| f.write "a" }
+ @io = new_io @name, "r"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @name
+ end
+
+ it "does nothing when passed nil" do
+ @io.ungetbyte(nil).should be_nil
+ @io.getbyte.should == 97
+ end
+
+ it "puts back each byte in a String argument" do
+ @io.ungetbyte("cat").should be_nil
+ @io.getbyte.should == 99
+ @io.getbyte.should == 97
+ @io.getbyte.should == 116
+ @io.getbyte.should == 97
+ end
+
+ it "calls #to_str to convert the argument" do
+ str = mock("io ungetbyte")
+ str.should_receive(:to_str).and_return("dog")
+
+ @io.ungetbyte(str).should be_nil
+ @io.getbyte.should == 100
+ @io.getbyte.should == 111
+ @io.getbyte.should == 103
+ @io.getbyte.should == 97
+ end
+
+ it "never raises RangeError" do
+ for i in [4095, 0x4f7574206f6620636861722072616e67ff] do
+ @io.ungetbyte(i).should be_nil
+ @io.getbyte.should == 255
+ end
+ end
+
+ it "raises IOError on stream not opened for reading" do
+ -> { STDOUT.ungetbyte(42) }.should raise_error(IOError, "not opened for reading")
+ end
+
+ it "raises an IOError if the IO is closed" do
+ @io.close
+ -> { @io.ungetbyte(42) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/ungetc_spec.rb b/spec/ruby/core/io/ungetc_spec.rb
new file mode 100644
index 0000000000..47a4e99ebf
--- /dev/null
+++ b/spec/ruby/core/io/ungetc_spec.rb
@@ -0,0 +1,138 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "IO#ungetc" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+
+ @empty = tmp('empty.txt')
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ rm_r @empty
+ end
+
+ it "pushes back one character onto stream" do
+ @io.getc.should == ?V
+ @io.ungetc(86)
+ @io.getc.should == ?V
+
+ @io.ungetc(10)
+ @io.getc.should == ?\n
+
+ @io.getc.should == ?o
+ @io.getc.should == ?i
+ # read the rest of line
+ @io.readline.should == "ci la ligne une.\n"
+ @io.getc.should == ?Q
+ @io.ungetc(99)
+ @io.getc.should == ?c
+ end
+
+ it "interprets the codepoint in the external encoding" do
+ @io.set_encoding(Encoding::UTF_8)
+ @io.ungetc(233)
+ c = @io.getc
+ c.encoding.should == Encoding::UTF_8
+ c.should == "é"
+ c.bytes.should == [195, 169]
+
+ @io.set_encoding(Encoding::IBM437)
+ @io.ungetc(130)
+ c = @io.getc
+ c.encoding.should == Encoding::IBM437
+ c.bytes.should == [130]
+ c.encode(Encoding::UTF_8).should == "é"
+ end
+
+ it "pushes back one character when invoked at the end of the stream" do
+ # read entire content
+ @io.read
+ @io.ungetc(100)
+ @io.getc.should == ?d
+ end
+
+ it "pushes back one character when invoked at the start of the stream" do
+ @io.read(0)
+ @io.ungetc(100)
+ @io.getc.should == ?d
+ end
+
+ it "pushes back one character when invoked on empty stream" do
+ touch(@empty)
+
+ File.open(@empty) { |empty|
+ empty.getc().should == nil
+ empty.ungetc(10)
+ empty.getc.should == ?\n
+ }
+ end
+
+ it "affects EOF state" do
+ touch(@empty)
+
+ File.open(@empty) { |empty|
+ empty.should.eof?
+ empty.getc.should == nil
+ empty.ungetc(100)
+ empty.should_not.eof?
+ }
+ end
+
+ it "adjusts the stream position" do
+ @io.pos.should == 0
+
+ # read one char
+ c = @io.getc
+ @io.pos.should == 1
+ @io.ungetc(c)
+ @io.pos.should == 0
+
+ # read all
+ @io.read
+ pos = @io.pos
+ @io.ungetc(98)
+ @io.pos.should == pos - 1
+ end
+
+ it "makes subsequent unbuffered operations to raise IOError" do
+ @io.getc
+ @io.ungetc(100)
+ -> { @io.sysread(1) }.should raise_error(IOError)
+ end
+
+ it "raises TypeError if passed nil" do
+ @io.getc.should == ?V
+ proc{@io.ungetc(nil)}.should raise_error(TypeError)
+ end
+
+ it "puts one or more characters back in the stream" do
+ @io.gets
+ @io.ungetc("Aquí ").should be_nil
+ @io.gets.chomp.should == "Aquí Qui è la linea due."
+ end
+
+ it "calls #to_str to convert the argument if it is not an Integer" do
+ chars = mock("io ungetc")
+ chars.should_receive(:to_str).and_return("Aquí ")
+
+ @io.ungetc(chars).should be_nil
+ @io.gets.chomp.should == "Aquí Voici la ligne une."
+ end
+
+ it "returns nil when invoked on stream that was not yet read" do
+ @io.ungetc(100).should be_nil
+ end
+
+ it "raises IOError on stream not opened for reading" do
+ -> { STDOUT.ungetc(100) }.should raise_error(IOError, "not opened for reading")
+ end
+
+ it "raises IOError on closed stream" do
+ @io.getc
+ @io.close
+ -> { @io.ungetc(100) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/core/io/write_nonblock_spec.rb b/spec/ruby/core/io/write_nonblock_spec.rb
new file mode 100644
index 0000000000..5bfc690f9b
--- /dev/null
+++ b/spec/ruby/core/io/write_nonblock_spec.rb
@@ -0,0 +1,96 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/write'
+
+# See https://bugs.ruby-lang.org/issues/5954#note-5
+platform_is_not :windows do
+ describe "IO#write_nonblock on a file" do
+ before :each do
+ @filename = tmp("IO_syswrite_file") + $$.to_s
+ File.open(@filename, "w") do |file|
+ file.write_nonblock("012345678901234567890123456789")
+ end
+ @file = File.open(@filename, "r+")
+ @readonly_file = File.open(@filename)
+ end
+
+ after :each do
+ @file.close if @file
+ @readonly_file.close if @readonly_file
+ rm_r @filename
+ end
+
+ it "writes all of the string's bytes but does not buffer them" do
+ written = @file.write_nonblock("abcde")
+ written.should == 5
+ File.open(@filename) do |file|
+ file.sysread(10).should == "abcde56789"
+ file.seek(0)
+ @file.fsync
+ file.sysread(10).should == "abcde56789"
+ end
+ end
+
+ it "does not modify the passed argument" do
+ File.open(@filename, "w") do |f|
+ f.set_encoding(Encoding::IBM437)
+ # A character whose codepoint differs between UTF-8 and IBM437
+ f.write_nonblock("ƒ".freeze)
+ end
+
+ File.binread(@filename).bytes.should == [198, 146]
+ end
+
+ it "checks if the file is writable if writing zero bytes" do
+ -> {
+ @readonly_file.write_nonblock("")
+ }.should raise_error(IOError)
+ end
+ end
+
+ describe "IO#write_nonblock" do
+ it_behaves_like :io_write, :write_nonblock
+ it_behaves_like :io_write_no_transcode, :write_nonblock
+ end
+end
+
+describe 'IO#write_nonblock' do
+ before do
+ @read, @write = IO.pipe
+ end
+
+ after do
+ @read.close
+ @write.close
+ end
+
+ it "raises an exception extending IO::WaitWritable when the write would block" do
+ -> {
+ loop { @write.write_nonblock('a' * 10_000) }
+ }.should raise_error(IO::WaitWritable) { |e|
+ platform_is_not :windows do
+ e.should be_kind_of(Errno::EAGAIN)
+ end
+ platform_is :windows do
+ e.should be_kind_of(Errno::EWOULDBLOCK)
+ end
+ }
+ end
+
+ context "when exception option is set to false" do
+ it "returns :wait_writable when the operation would block" do
+ loop {
+ break if @write.write_nonblock("a" * 10_000, exception: false) == :wait_writable
+ }
+ @write.write_nonblock("a" * 10_000, exception: false).should == :wait_writable
+ end
+ end
+
+ platform_is_not :windows do
+ it 'sets the IO in nonblock mode' do
+ require 'io/nonblock'
+ @write.write_nonblock('a')
+ @write.should.nonblock?
+ end
+ end
+end
diff --git a/spec/ruby/core/io/write_spec.rb b/spec/ruby/core/io/write_spec.rb
new file mode 100644
index 0000000000..e58100f846
--- /dev/null
+++ b/spec/ruby/core/io/write_spec.rb
@@ -0,0 +1,297 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/write'
+require_relative 'shared/binwrite'
+
+describe "IO#write on a file" do
+ before :each do
+ @filename = tmp("IO_syswrite_file") + $$.to_s
+ File.open(@filename, "w") do |file|
+ file.write("012345678901234567890123456789")
+ end
+ @file = File.open(@filename, "r+")
+ @readonly_file = File.open(@filename)
+ end
+
+ after :each do
+ @file.close
+ @readonly_file.close
+ rm_r @filename
+ end
+
+ it "does not check if the file is writable if writing zero bytes" do
+ -> { @readonly_file.write("") }.should_not raise_error
+ end
+
+ before :each do
+ @external = Encoding.default_external
+ @internal = Encoding.default_internal
+
+ Encoding.default_external = Encoding::UTF_8
+ end
+
+ after :each do
+ Encoding.default_external = @external
+ Encoding.default_internal = @internal
+ end
+
+ it "returns a length of 0 when writing a blank string" do
+ @file.write('').should == 0
+ end
+
+ it "returns a length of 0 when writing blank strings" do
+ @file.write('', '', '').should == 0
+ end
+
+ it "returns a length of 0 when passed no arguments" do
+ @file.write().should == 0
+ end
+
+ it "returns the number of bytes written" do
+ @file.write("hellø").should == 6
+ end
+
+ it "does not modify the passed argument" do
+ File.open(@filename, "w") do |f|
+ f.set_encoding(Encoding::IBM437)
+ # A character whose codepoint differs between UTF-8 and IBM437
+ f.write("ƒ".freeze)
+ end
+
+ File.binread(@filename).bytes.should == [159]
+ end
+
+ it "does not modify arguments when passed multiple arguments and external encoding not set" do
+ a, b = "a".freeze, "b".freeze
+
+ File.open(@filename, "w") do |f|
+ f.write(a, b)
+ end
+
+ File.binread(@filename).bytes.should == [97, 98]
+ a.encoding.should == Encoding::UTF_8
+ b.encoding.should == Encoding::UTF_8
+ end
+
+ it "uses the encoding from the given option for non-ascii encoding" do
+ File.open(@filename, "w", encoding: Encoding::UTF_32LE) do |file|
+ file.write("hi").should == 8
+ end
+ File.binread(@filename).should == "h\u0000\u0000\u0000i\u0000\u0000\u0000"
+ end
+
+ it "uses the encoding from the given option for non-ascii encoding even if in binary mode" do
+ File.open(@filename, "w", encoding: Encoding::UTF_32LE, binmode: true) do |file|
+ file.should.binmode?
+ file.write("hi").should == 8
+ end
+ File.binread(@filename).should == "h\u0000\u0000\u0000i\u0000\u0000\u0000"
+
+ File.open(@filename, "wb", encoding: Encoding::UTF_32LE) do |file|
+ file.should.binmode?
+ file.write("hi").should == 8
+ end
+ File.binread(@filename).should == "h\u0000\u0000\u0000i\u0000\u0000\u0000"
+ end
+
+ it "uses the encoding from the given option for non-ascii encoding when multiple arguments passes" do
+ File.open(@filename, "w", encoding: Encoding::UTF_32LE) do |file|
+ file.write("h", "i").should == 8
+ end
+ File.binread(@filename).should == "h\u0000\u0000\u0000i\u0000\u0000\u0000"
+ end
+
+ it "raises a invalid byte sequence error if invalid bytes are being written" do
+ # pack "\xFEhi" to avoid utf-8 conflict
+ xFEhi = ([254].pack('C*') + 'hi').force_encoding('utf-8')
+ File.open(@filename, "w", encoding: Encoding::US_ASCII) do |file|
+ -> { file.write(xFEhi) }.should raise_error(Encoding::InvalidByteSequenceError)
+ end
+ end
+
+ it "writes binary data if no encoding is given" do
+ File.open(@filename, "w") do |file|
+ file.write('Hëllö'.encode('ISO-8859-1'))
+ end
+ ë = ([235].pack('U')).encode('ISO-8859-1')
+ ö = ([246].pack('U')).encode('ISO-8859-1')
+ res = "H#{ë}ll#{ö}"
+ File.binread(@filename).should == res.force_encoding(Encoding::BINARY)
+ end
+
+ platform_is_not :windows do
+ it "writes binary data if no encoding is given and multiple arguments passed" do
+ File.open(@filename, "w") do |file|
+ file.write("\x87".b, "ą") # 0x87 isn't a valid UTF-8 binary representation of a character
+ end
+ File.binread(@filename).bytes.should == [0x87, 0xC4, 0x85]
+
+ File.open(@filename, "w") do |file|
+ file.write("\x61".encode("utf-32le"), "ą")
+ end
+ File.binread(@filename).bytes.should == [0x61, 0x00, 0x00, 0x00, 0xC4, 0x85]
+ end
+ end
+end
+
+describe "IO.write" do
+ it_behaves_like :io_binwrite, :write
+
+ it "uses an :open_args option" do
+ IO.write(@filename, 'hi', open_args: ["w", nil, {encoding: Encoding::UTF_32LE}]).should == 8
+ end
+
+ it "disregards other options if :open_args is given" do
+ IO.write(@filename, 'hi', 2, mode: "r", encoding: Encoding::UTF_32LE, open_args: ["w"]).should == 2
+ File.read(@filename).should == "\0\0hi"
+ end
+
+ it "requires mode to be specified in :open_args" do
+ -> {
+ IO.write(@filename, 'hi', open_args: [{encoding: Encoding::UTF_32LE, binmode: true}])
+ }.should raise_error(IOError, "not opened for writing")
+
+ IO.write(@filename, 'hi', open_args: ["w", {encoding: Encoding::UTF_32LE, binmode: true}]).should == 8
+ IO.write(@filename, 'hi', open_args: [{encoding: Encoding::UTF_32LE, binmode: true, mode: "w"}]).should == 8
+ end
+
+ it "requires mode to be specified in :open_args even if flags option passed" do
+ -> {
+ IO.write(@filename, 'hi', open_args: [{encoding: Encoding::UTF_32LE, binmode: true, flags: File::CREAT}])
+ }.should raise_error(IOError, "not opened for writing")
+
+ IO.write(@filename, 'hi', open_args: ["w", {encoding: Encoding::UTF_32LE, binmode: true, flags: File::CREAT}]).should == 8
+ IO.write(@filename, 'hi', open_args: [{encoding: Encoding::UTF_32LE, binmode: true, flags: File::CREAT, mode: "w"}]).should == 8
+ end
+
+ it "uses the given encoding and returns the number of bytes written" do
+ IO.write(@filename, 'hi', mode: "w", encoding: Encoding::UTF_32LE).should == 8
+ end
+
+ it "raises ArgumentError if encoding is specified in mode parameter and is given as :encoding option" do
+ -> {
+ IO.write(@filename, 'hi', mode: "w:UTF-16LE:UTF-16BE", encoding: Encoding::UTF_32LE)
+ }.should raise_error(ArgumentError, "encoding specified twice")
+
+ -> {
+ IO.write(@filename, 'hi', mode: "w:UTF-16BE", encoding: Encoding::UTF_32LE)
+ }.should raise_error(ArgumentError, "encoding specified twice")
+ end
+
+ it "writes the file with the permissions in the :perm parameter" do
+ rm_r @filename
+ IO.write(@filename, 'write :perm spec', mode: "w", perm: 0o755).should == 16
+ (File.stat(@filename).mode & 0o777) == 0o755
+ end
+
+ it "writes binary data if no encoding is given" do
+ IO.write(@filename, 'Hëllö'.encode('ISO-8859-1'))
+ xEB = [235].pack('C*')
+ xF6 = [246].pack('C*')
+ File.binread(@filename).should == ("H" + xEB + "ll" + xF6).force_encoding(Encoding::BINARY)
+ end
+
+ platform_is_not :windows do
+ describe "on a FIFO" do
+ before :each do
+ @fifo = tmp("File_open_fifo")
+ File.mkfifo(@fifo)
+ end
+
+ after :each do
+ rm_r @fifo
+ end
+
+ # rb_cloexec_open() is currently missing a retry on EINTR.
+ # @ioquatix is looking into fixing it. Quarantined until it's done.
+ quarantine! do
+ it "writes correctly" do
+ thr = Thread.new do
+ IO.read(@fifo)
+ end
+ begin
+ string = "hi"
+ IO.write(@fifo, string).should == string.length
+ ensure
+ thr.join
+ end
+ end
+ end
+ end
+
+ ruby_version_is "3.3"..."4.0" do
+ # https://bugs.ruby-lang.org/issues/19630
+ it "warns about deprecation given a path with a pipe" do
+ -> {
+ -> {
+ IO.write("|cat", "xxx")
+ }.should output_to_fd("xxx")
+ }.should complain(/IO process creation with a leading '\|'/)
+ end
+ end
+ end
+end
+
+describe "IO#write" do
+ it_behaves_like :io_write, :write
+ it_behaves_like :io_write_transcode, :write
+
+ it "accepts multiple arguments" do
+ IO.pipe do |r, w|
+ w.write("foo", "bar")
+ w.close
+
+ r.read.should == "foobar"
+ end
+ end
+end
+
+platform_is :windows do
+ describe "IO#write on Windows" do
+ before :each do
+ @fname = tmp("io_write.txt")
+ end
+
+ after :each do
+ rm_r @fname
+ @io.close if @io and !@io.closed?
+ end
+
+ it "normalizes line endings in text mode" do
+ @io = new_io(@fname, "wt")
+ @io.write "a\nb\nc"
+ @io.close
+ File.binread(@fname).should == "a\r\nb\r\nc"
+ end
+
+ it "does not normalize line endings in binary mode" do
+ @io = new_io(@fname, "wb")
+ @io.write "a\r\nb\r\nc"
+ @io.close
+ File.binread(@fname).should == "a\r\nb\r\nc"
+ end
+ end
+end
+
+describe "IO#write on STDOUT" do
+ # https://bugs.ruby-lang.org/issues/14413
+ platform_is_not :windows do
+ it "raises SignalException SIGPIPE if the stream is closed instead of Errno::EPIPE like other IOs" do
+ stderr_file = tmp("stderr")
+ begin
+ IO.popen([*ruby_exe, "-e", "loop { puts :ok }"], "r", err: stderr_file) do |io|
+ io.gets.should == "ok\n"
+ io.close
+ end
+ status = $?
+ status.should_not.success?
+ status.should.signaled?
+ Signal.signame(status.termsig).should == 'PIPE'
+ File.read(stderr_file).should.empty?
+ ensure
+ rm_r stderr_file
+ end
+ end
+ end
+end