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-rw-r--r--spec/ruby/library/stringio/append_spec.rb84
-rw-r--r--spec/ruby/library/stringio/binmode_spec.rb9
-rw-r--r--spec/ruby/library/stringio/bytes_spec.rb11
-rw-r--r--spec/ruby/library/stringio/chars_spec.rb11
-rw-r--r--spec/ruby/library/stringio/close_read_spec.rb36
-rw-r--r--spec/ruby/library/stringio/close_spec.rb32
-rw-r--r--spec/ruby/library/stringio/close_write_spec.rb36
-rw-r--r--spec/ruby/library/stringio/closed_read_spec.rb12
-rw-r--r--spec/ruby/library/stringio/closed_spec.rb16
-rw-r--r--spec/ruby/library/stringio/closed_write_spec.rb12
-rw-r--r--spec/ruby/library/stringio/codepoints_spec.rb9
-rw-r--r--spec/ruby/library/stringio/each_byte_spec.rb11
-rw-r--r--spec/ruby/library/stringio/each_char_spec.rb11
-rw-r--r--spec/ruby/library/stringio/each_codepoint_spec.rb10
-rw-r--r--spec/ruby/library/stringio/each_line_spec.rb15
-rw-r--r--spec/ruby/library/stringio/each_spec.rb15
-rw-r--r--spec/ruby/library/stringio/eof_spec.rb11
-rw-r--r--spec/ruby/library/stringio/external_encoding_spec.rb21
-rw-r--r--spec/ruby/library/stringio/fcntl_spec.rb8
-rw-r--r--spec/ruby/library/stringio/fileno_spec.rb9
-rw-r--r--spec/ruby/library/stringio/fixtures/classes.rb15
-rw-r--r--spec/ruby/library/stringio/flush_spec.rb9
-rw-r--r--spec/ruby/library/stringio/fsync_spec.rb9
-rw-r--r--spec/ruby/library/stringio/getbyte_spec.rb19
-rw-r--r--spec/ruby/library/stringio/getc_spec.rb19
-rw-r--r--spec/ruby/library/stringio/getch_spec.rb46
-rw-r--r--spec/ruby/library/stringio/gets_spec.rb238
-rw-r--r--spec/ruby/library/stringio/initialize_spec.rb185
-rw-r--r--spec/ruby/library/stringio/internal_encoding_spec.rb10
-rw-r--r--spec/ruby/library/stringio/isatty_spec.rb7
-rw-r--r--spec/ruby/library/stringio/length_spec.rb7
-rw-r--r--spec/ruby/library/stringio/lineno_spec.rb30
-rw-r--r--spec/ruby/library/stringio/lines_spec.rb15
-rw-r--r--spec/ruby/library/stringio/open_spec.rb208
-rw-r--r--spec/ruby/library/stringio/path_spec.rb8
-rw-r--r--spec/ruby/library/stringio/pid_spec.rb8
-rw-r--r--spec/ruby/library/stringio/pos_spec.rb28
-rw-r--r--spec/ruby/library/stringio/print_spec.rb100
-rw-r--r--spec/ruby/library/stringio/printf_spec.rb61
-rw-r--r--spec/ruby/library/stringio/putc_spec.rb88
-rw-r--r--spec/ruby/library/stringio/puts_spec.rb159
-rw-r--r--spec/ruby/library/stringio/read_nonblock_spec.rb20
-rw-r--r--spec/ruby/library/stringio/read_spec.rb62
-rw-r--r--spec/ruby/library/stringio/readbyte_spec.rb20
-rw-r--r--spec/ruby/library/stringio/readchar_spec.rb20
-rw-r--r--spec/ruby/library/stringio/readline_spec.rb122
-rw-r--r--spec/ruby/library/stringio/readlines_spec.rb92
-rw-r--r--spec/ruby/library/stringio/readpartial_spec.rb80
-rw-r--r--spec/ruby/library/stringio/reopen_spec.rb288
-rw-r--r--spec/ruby/library/stringio/rewind_spec.rb24
-rw-r--r--spec/ruby/library/stringio/seek_spec.rb67
-rw-r--r--spec/ruby/library/stringio/set_encoding_spec.rb10
-rw-r--r--spec/ruby/library/stringio/shared/codepoints.rb45
-rw-r--r--spec/ruby/library/stringio/shared/each.rb105
-rw-r--r--spec/ruby/library/stringio/shared/each_byte.rb48
-rw-r--r--spec/ruby/library/stringio/shared/each_char.rb36
-rw-r--r--spec/ruby/library/stringio/shared/eof.rb24
-rw-r--r--spec/ruby/library/stringio/shared/getc.rb43
-rw-r--r--spec/ruby/library/stringio/shared/isatty.rb5
-rw-r--r--spec/ruby/library/stringio/shared/length.rb5
-rw-r--r--spec/ruby/library/stringio/shared/read.rb121
-rw-r--r--spec/ruby/library/stringio/shared/readchar.rb29
-rw-r--r--spec/ruby/library/stringio/shared/sysread.rb15
-rw-r--r--spec/ruby/library/stringio/shared/tell.rb12
-rw-r--r--spec/ruby/library/stringio/shared/write.rb87
-rw-r--r--spec/ruby/library/stringio/size_spec.rb7
-rw-r--r--spec/ruby/library/stringio/string_spec.rb50
-rw-r--r--spec/ruby/library/stringio/stringio_spec.rb9
-rw-r--r--spec/ruby/library/stringio/sync_spec.rb19
-rw-r--r--spec/ruby/library/stringio/sysread_spec.rb48
-rw-r--r--spec/ruby/library/stringio/syswrite_spec.rb19
-rw-r--r--spec/ruby/library/stringio/tell_spec.rb7
-rw-r--r--spec/ruby/library/stringio/truncate_spec.rb70
-rw-r--r--spec/ruby/library/stringio/tty_spec.rb7
-rw-r--r--spec/ruby/library/stringio/ungetbyte_spec.rb6
-rw-r--r--spec/ruby/library/stringio/ungetc_spec.rb72
-rw-r--r--spec/ruby/library/stringio/write_nonblock_spec.rb19
-rw-r--r--spec/ruby/library/stringio/write_spec.rb19
78 files changed, 3380 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/append_spec.rb b/spec/ruby/library/stringio/append_spec.rb
new file mode 100644
index 0000000000..ff0dc233cd
--- /dev/null
+++ b/spec/ruby/library/stringio/append_spec.rb
@@ -0,0 +1,84 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#<< when passed [Object]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns self" do
+ (@io << "just testing").should equal(@io)
+ end
+
+ it "writes the passed argument onto self" do
+ (@io << "just testing")
+ @io.string.should == "just testing"
+ (@io << " and more testing")
+ @io.string.should == "just testing and more testing"
+ end
+
+ it "writes the passed argument at the current position" do
+ @io.pos = 5
+ @io << "<test>"
+ @io.string.should == "examp<test>"
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 15
+ @io << "just testing"
+ @io.string.should == "example\000\000\000\000\000\000\000\000just testing"
+ end
+
+ it "taints self's String when the passed argument is tainted" do
+ (@io << "test".taint)
+ @io.string.tainted?.should be_true
+ end
+
+ it "does not taint self when the passed argument is tainted" do
+ (@io << "test".taint)
+ @io.tainted?.should be_false
+ end
+
+ it "updates self's position" do
+ @io << "test"
+ @io.pos.should eql(4)
+ end
+
+ it "tries to convert the passed argument to a String using #to_s" do
+ obj = mock("to_s")
+ obj.should_receive(:to_s).and_return("Test")
+
+ (@io << obj).string.should == "Testple"
+ end
+end
+
+describe "StringIO#<< when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io << "test" }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io << "test" }.should raise_error(IOError)
+ end
+end
+
+describe "StringIO#<< when in append mode" do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self, ignoring current position" do
+ (@io << ", just testing")
+ @io.string.should == "example, just testing"
+
+ @io.pos = 3
+ (@io << " and more testing")
+ @io.string.should == "example, just testing and more testing"
+ end
+
+ it "correctly updates self's position" do
+ @io << ", testing"
+ @io.pos.should eql(16)
+ end
+end
diff --git a/spec/ruby/library/stringio/binmode_spec.rb b/spec/ruby/library/stringio/binmode_spec.rb
new file mode 100644
index 0000000000..11fbbaadeb
--- /dev/null
+++ b/spec/ruby/library/stringio/binmode_spec.rb
@@ -0,0 +1,9 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#binmode" do
+ it "returns self" do
+ io = StringIO.new("example")
+ io.binmode.should equal(io)
+ end
+end
diff --git a/spec/ruby/library/stringio/bytes_spec.rb b/spec/ruby/library/stringio/bytes_spec.rb
new file mode 100644
index 0000000000..22d990dff7
--- /dev/null
+++ b/spec/ruby/library/stringio/bytes_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/each_byte', __FILE__)
+
+describe "StringIO#bytes" do
+ it_behaves_like :stringio_each_byte, :bytes
+end
+
+describe "StringIO#bytes when self is not readable" do
+ it_behaves_like :stringio_each_byte_not_readable, :bytes
+end
diff --git a/spec/ruby/library/stringio/chars_spec.rb b/spec/ruby/library/stringio/chars_spec.rb
new file mode 100644
index 0000000000..c5ffde23db
--- /dev/null
+++ b/spec/ruby/library/stringio/chars_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/each_char', __FILE__)
+
+describe "StringIO#chars" do
+ it_behaves_like :stringio_each_char, :chars
+end
+
+describe "StringIO#chars when self is not readable" do
+ it_behaves_like :stringio_each_char_not_readable, :chars
+end
diff --git a/spec/ruby/library/stringio/close_read_spec.rb b/spec/ruby/library/stringio/close_read_spec.rb
new file mode 100644
index 0000000000..59e16385d2
--- /dev/null
+++ b/spec/ruby/library/stringio/close_read_spec.rb
@@ -0,0 +1,36 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#close_read" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns nil" do
+ @io.close_read.should be_nil
+ end
+
+ it "prevents further reading" do
+ @io.close_read
+ lambda { @io.read(1) }.should raise_error(IOError)
+ end
+
+ it "allows further writing" do
+ @io.close_read
+ @io.write("x").should == 1
+ end
+
+ it "raises an IOError when in write-only mode" do
+ io = StringIO.new("example", "w")
+ lambda { io.close_read }.should raise_error(IOError)
+
+ io = StringIO.new("example")
+ io.close_read
+ ruby_version_is ''...'2.3' do
+ lambda { io.close_read }.should raise_error(IOError)
+ end
+ ruby_version_is '2.3' do
+ io.close_read.should == nil
+ end
+ end
+end
diff --git a/spec/ruby/library/stringio/close_spec.rb b/spec/ruby/library/stringio/close_spec.rb
new file mode 100644
index 0000000000..423aad4bd1
--- /dev/null
+++ b/spec/ruby/library/stringio/close_spec.rb
@@ -0,0 +1,32 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#close" do
+ before :each do
+ @io = StringIOSpecs.build
+ end
+
+ it "returns nil" do
+ @io.close.should be_nil
+ end
+
+ it "prevents further reading and/or writing" do
+ @io.close
+ lambda { @io.read(1) }.should raise_error(IOError)
+ lambda { @io.write('x') }.should raise_error(IOError)
+ end
+
+ ruby_version_is ''...'2.3' do
+ it "raises an IOError when self was already closed" do
+ @io.close
+ lambda { @io.close }.should raise_error(IOError)
+ end
+ end
+
+ ruby_version_is "2.3" do
+ it "does not raise anything when self was already closed" do
+ @io.close
+ lambda { @io.close }.should_not raise_error(IOError)
+ end
+ end
+end
diff --git a/spec/ruby/library/stringio/close_write_spec.rb b/spec/ruby/library/stringio/close_write_spec.rb
new file mode 100644
index 0000000000..6637fe6043
--- /dev/null
+++ b/spec/ruby/library/stringio/close_write_spec.rb
@@ -0,0 +1,36 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#close_write" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns nil" do
+ @io.close_write.should be_nil
+ end
+
+ it "prevents further writing" do
+ @io.close_write
+ lambda { @io.write('x') }.should raise_error(IOError)
+ end
+
+ it "allows further reading" do
+ @io.close_write
+ @io.read(1).should == 'e'
+ end
+
+ it "raises an IOError when in read-only mode" do
+ io = StringIO.new("example", "r")
+ lambda { io.close_write }.should raise_error(IOError)
+
+ io = StringIO.new("example")
+ io.close_write
+ ruby_version_is ''...'2.3' do
+ lambda { io.close_write }.should raise_error(IOError)
+ end
+ ruby_version_is '2.3' do
+ io.close_write.should == nil
+ end
+ end
+end
diff --git a/spec/ruby/library/stringio/closed_read_spec.rb b/spec/ruby/library/stringio/closed_read_spec.rb
new file mode 100644
index 0000000000..971eb5f71c
--- /dev/null
+++ b/spec/ruby/library/stringio/closed_read_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#closed_read?" do
+ it "returns true if self is not readable" do
+ io = StringIO.new("example", "r+")
+ io.close_write
+ io.closed_read?.should be_false
+ io.close_read
+ io.closed_read?.should be_true
+ end
+end
diff --git a/spec/ruby/library/stringio/closed_spec.rb b/spec/ruby/library/stringio/closed_spec.rb
new file mode 100644
index 0000000000..4026d78775
--- /dev/null
+++ b/spec/ruby/library/stringio/closed_spec.rb
@@ -0,0 +1,16 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#closed?" do
+ it "returns true if self is completely closed" do
+ io = StringIO.new("example", "r+")
+ io.close_read
+ io.closed?.should be_false
+ io.close_write
+ io.closed?.should be_true
+
+ io = StringIO.new("example", "r+")
+ io.close
+ io.closed?.should be_true
+ end
+end
diff --git a/spec/ruby/library/stringio/closed_write_spec.rb b/spec/ruby/library/stringio/closed_write_spec.rb
new file mode 100644
index 0000000000..52707aa240
--- /dev/null
+++ b/spec/ruby/library/stringio/closed_write_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#closed_write?" do
+ it "returns true if self is not writable" do
+ io = StringIO.new("example", "r+")
+ io.close_read
+ io.closed_write?.should be_false
+ io.close_write
+ io.closed_write?.should be_true
+ end
+end
diff --git a/spec/ruby/library/stringio/codepoints_spec.rb b/spec/ruby/library/stringio/codepoints_spec.rb
new file mode 100644
index 0000000000..098bd3c4c3
--- /dev/null
+++ b/spec/ruby/library/stringio/codepoints_spec.rb
@@ -0,0 +1,9 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/codepoints', __FILE__)
+
+# See redmine #1667
+describe "StringIO#codepoints" do
+ it_behaves_like(:stringio_codepoints, :codepoints)
+end
diff --git a/spec/ruby/library/stringio/each_byte_spec.rb b/spec/ruby/library/stringio/each_byte_spec.rb
new file mode 100644
index 0000000000..8e88997bc0
--- /dev/null
+++ b/spec/ruby/library/stringio/each_byte_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/each_byte', __FILE__)
+
+describe "StringIO#each_byte" do
+ it_behaves_like :stringio_each_byte, :each_byte
+end
+
+describe "StringIO#each_byte when self is not readable" do
+ it_behaves_like :stringio_each_byte_not_readable, :each_byte
+end
diff --git a/spec/ruby/library/stringio/each_char_spec.rb b/spec/ruby/library/stringio/each_char_spec.rb
new file mode 100644
index 0000000000..a141ae03fe
--- /dev/null
+++ b/spec/ruby/library/stringio/each_char_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/each_char', __FILE__)
+
+describe "StringIO#each_char" do
+ it_behaves_like :stringio_each_char, :each_char
+end
+
+describe "StringIO#each_char when self is not readable" do
+ it_behaves_like :stringio_each_char_not_readable, :chars
+end
diff --git a/spec/ruby/library/stringio/each_codepoint_spec.rb b/spec/ruby/library/stringio/each_codepoint_spec.rb
new file mode 100644
index 0000000000..25a0bf4c81
--- /dev/null
+++ b/spec/ruby/library/stringio/each_codepoint_spec.rb
@@ -0,0 +1,10 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/codepoints', __FILE__)
+
+# See redmine #1667
+describe "StringIO#each_codepoint" do
+ it_behaves_like(:stringio_codepoints, :codepoints)
+end
+
diff --git a/spec/ruby/library/stringio/each_line_spec.rb b/spec/ruby/library/stringio/each_line_spec.rb
new file mode 100644
index 0000000000..e4deb9b3e9
--- /dev/null
+++ b/spec/ruby/library/stringio/each_line_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/each', __FILE__)
+
+describe "StringIO#each_line when passed a separator" do
+ it_behaves_like :stringio_each_separator, :each_line
+end
+
+describe "StringIO#each_line when passed no arguments" do
+ it_behaves_like :stringio_each_no_arguments, :each_line
+end
+
+describe "StringIO#each_line when self is not readable" do
+ it_behaves_like :stringio_each_not_readable, :each_line
+end
diff --git a/spec/ruby/library/stringio/each_spec.rb b/spec/ruby/library/stringio/each_spec.rb
new file mode 100644
index 0000000000..07ad070192
--- /dev/null
+++ b/spec/ruby/library/stringio/each_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/each', __FILE__)
+
+describe "StringIO#each when passed a separator" do
+ it_behaves_like :stringio_each_separator, :each
+end
+
+describe "StringIO#each when passed no arguments" do
+ it_behaves_like :stringio_each_no_arguments, :each
+end
+
+describe "StringIO#each when self is not readable" do
+ it_behaves_like :stringio_each_not_readable, :each
+end
diff --git a/spec/ruby/library/stringio/eof_spec.rb b/spec/ruby/library/stringio/eof_spec.rb
new file mode 100644
index 0000000000..a5bb3dbe3d
--- /dev/null
+++ b/spec/ruby/library/stringio/eof_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/eof', __FILE__)
+
+describe "StringIO#eof?" do
+ it_behaves_like :stringio_eof, :eof?
+end
+
+describe "StringIO#eof" do
+ it_behaves_like :stringio_eof, :eof
+end
diff --git a/spec/ruby/library/stringio/external_encoding_spec.rb b/spec/ruby/library/stringio/external_encoding_spec.rb
new file mode 100644
index 0000000000..9bf2d8ee8c
--- /dev/null
+++ b/spec/ruby/library/stringio/external_encoding_spec.rb
@@ -0,0 +1,21 @@
+require 'stringio'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "StringIO#external_encoding" do
+ it "gets the encoding of the underlying String" do
+ io = StringIO.new
+ io.set_encoding Encoding::EUC_JP
+ io.external_encoding.should == Encoding::EUC_JP
+ end
+
+ ruby_version_is "2.3" do
+ it "does not set the encoding of its buffer string if the string is frozen" do
+ str = "foo".freeze
+ enc = str.encoding
+ io = StringIO.new(str)
+ io.set_encoding Encoding::EUC_JP
+ io.external_encoding.should == Encoding::EUC_JP
+ str.encoding.should == enc
+ end
+ end
+end
diff --git a/spec/ruby/library/stringio/fcntl_spec.rb b/spec/ruby/library/stringio/fcntl_spec.rb
new file mode 100644
index 0000000000..5250359a79
--- /dev/null
+++ b/spec/ruby/library/stringio/fcntl_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#fcntl" do
+ it "raises a NotImplementedError" do
+ lambda { StringIO.new("boom").fcntl }.should raise_error(NotImplementedError)
+ end
+end
diff --git a/spec/ruby/library/stringio/fileno_spec.rb b/spec/ruby/library/stringio/fileno_spec.rb
new file mode 100644
index 0000000000..a5ae820830
--- /dev/null
+++ b/spec/ruby/library/stringio/fileno_spec.rb
@@ -0,0 +1,9 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/each', __FILE__)
+
+describe "StringIO#fileno" do
+ it "returns nil" do
+ StringIO.new("nuffin").fileno.should be_nil
+ end
+end
diff --git a/spec/ruby/library/stringio/fixtures/classes.rb b/spec/ruby/library/stringio/fixtures/classes.rb
new file mode 100644
index 0000000000..bb8dc354cc
--- /dev/null
+++ b/spec/ruby/library/stringio/fixtures/classes.rb
@@ -0,0 +1,15 @@
+require 'stringio'
+
+class StringSubclass < String; end
+
+module StringIOSpecs
+ def self.build
+ str = <<-EOS
+ each
+ peach
+ pear
+ plum
+ EOS
+ StringIO.new(str)
+ end
+end
diff --git a/spec/ruby/library/stringio/flush_spec.rb b/spec/ruby/library/stringio/flush_spec.rb
new file mode 100644
index 0000000000..75a92db85a
--- /dev/null
+++ b/spec/ruby/library/stringio/flush_spec.rb
@@ -0,0 +1,9 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#flush" do
+ it "returns self" do
+ io = StringIO.new("flush")
+ io.flush.should equal(io)
+ end
+end
diff --git a/spec/ruby/library/stringio/fsync_spec.rb b/spec/ruby/library/stringio/fsync_spec.rb
new file mode 100644
index 0000000000..509f4a972f
--- /dev/null
+++ b/spec/ruby/library/stringio/fsync_spec.rb
@@ -0,0 +1,9 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#fsync" do
+ it "returns zero" do
+ io = StringIO.new("fsync")
+ io.fsync.should eql(0)
+ end
+end
diff --git a/spec/ruby/library/stringio/getbyte_spec.rb b/spec/ruby/library/stringio/getbyte_spec.rb
new file mode 100644
index 0000000000..163cb9d0c6
--- /dev/null
+++ b/spec/ruby/library/stringio/getbyte_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/getc', __FILE__)
+
+describe "StringIO#getbyte" do
+ it_behaves_like :stringio_getc, :getbyte
+
+ it "returns the 8-bit byte at the current position" do
+ io = StringIO.new("example")
+
+ io.send(@method).should == 101
+ io.send(@method).should == 120
+ io.send(@method).should == 97
+ end
+end
+
+describe "StringIO#getbyte when self is not readable" do
+ it_behaves_like :stringio_getc_not_readable, :getbyte
+end
diff --git a/spec/ruby/library/stringio/getc_spec.rb b/spec/ruby/library/stringio/getc_spec.rb
new file mode 100644
index 0000000000..f7e98d2a33
--- /dev/null
+++ b/spec/ruby/library/stringio/getc_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/getc', __FILE__)
+
+describe "StringIO#getc" do
+ it_behaves_like :stringio_getc, :getc
+
+ it "returns the charactor at the current position" do
+ io = StringIO.new("example")
+
+ io.send(@method).should == ?e
+ io.send(@method).should == ?x
+ io.send(@method).should == ?a
+ end
+end
+
+describe "StringIO#getc when self is not readable" do
+ it_behaves_like :stringio_getc_not_readable, :getc
+end
diff --git a/spec/ruby/library/stringio/getch_spec.rb b/spec/ruby/library/stringio/getch_spec.rb
new file mode 100644
index 0000000000..c7fdfe9080
--- /dev/null
+++ b/spec/ruby/library/stringio/getch_spec.rb
@@ -0,0 +1,46 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/getc', __FILE__)
+
+# This method is added by io/console on require.
+describe "StringIO#getch" do
+ require 'io/console'
+
+ it_behaves_like :stringio_getc, :getch
+
+ it "returns the charactor at the current position" do
+ io = StringIO.new("example")
+
+ io.send(@method).should == ?e
+ io.send(@method).should == ?x
+ io.send(@method).should == ?a
+ end
+
+ with_feature :encoding do
+ it "increments #pos by the byte size of the character in multibyte strings" do
+ io = StringIO.new("föóbar")
+
+ io.send(@method); io.pos.should == 1 # "f" has byte size 1
+ io.send(@method); io.pos.should == 3 # "ö" has byte size 2
+ io.send(@method); io.pos.should == 5 # "ó" has byte size 2
+ io.send(@method); io.pos.should == 6 # "b" has byte size 1
+ end
+ end
+
+ it "returns nil at the end of the string" do
+ # empty string case
+ io = StringIO.new("")
+ io.send(@method).should == nil
+ io.send(@method).should == nil
+
+ # non-empty string case
+ io = StringIO.new("a")
+ io.send(@method) # skip one
+ io.send(@method).should == nil
+ end
+
+ describe "StringIO#getch when self is not readable" do
+ it_behaves_like :stringio_getc_not_readable, :getch
+ end
+end
diff --git a/spec/ruby/library/stringio/gets_spec.rb b/spec/ruby/library/stringio/gets_spec.rb
new file mode 100644
index 0000000000..307f564a6e
--- /dev/null
+++ b/spec/ruby/library/stringio/gets_spec.rb
@@ -0,0 +1,238 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+
+describe "StringIO#gets when passed [separator]" do
+ before :each do
+ @io = StringIO.new("this>is>an>example")
+ end
+
+ it "returns the data read till the next occurence of the passed separator" do
+ @io.gets(">").should == "this>"
+ @io.gets(">").should == "is>"
+ @io.gets(">").should == "an>"
+ @io.gets(">").should == "example"
+ end
+
+ it "sets $_ to the read content" do
+ @io.gets(">")
+ $_.should == "this>"
+ @io.gets(">")
+ $_.should == "is>"
+ @io.gets(">")
+ $_.should == "an>"
+ @io.gets(">")
+ $_.should == "example"
+ @io.gets(">")
+ $_.should be_nil
+ end
+
+ it "accepts string as separator" do
+ @io.gets("is>")
+ $_.should == "this>"
+ @io.gets("an>")
+ $_.should == "is>an>"
+ @io.gets("example")
+ $_.should == "example"
+ @io.gets("ple")
+ $_.should be_nil
+ end
+
+ it "updates self's lineno by one" do
+ @io.gets(">")
+ @io.lineno.should eql(1)
+
+ @io.gets(">")
+ @io.lineno.should eql(2)
+
+ @io.gets(">")
+ @io.lineno.should eql(3)
+ end
+
+ it "returns the next paragraph when the passed separator is an empty String" do
+ io = StringIO.new("this is\n\nan example")
+ io.gets("").should == "this is\n\n"
+ io.gets("").should == "an example"
+ end
+
+ it "returns the remaining content starting at the current position when passed nil" do
+ io = StringIO.new("this is\n\nan example")
+ io.pos = 5
+ io.gets(nil).should == "is\n\nan example"
+ end
+
+ it "tries to convert the passed separator to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return(">")
+ @io.gets(obj).should == "this>"
+ end
+end
+
+describe "StringIO#gets when passed no argument" do
+ before :each do
+ @io = StringIO.new("this is\nan example\nfor StringIO#gets")
+ end
+
+ it "returns the data read till the next occurence of $/ or till eof" do
+ @io.gets.should == "this is\n"
+
+ begin
+ old_sep, $/ = $/, " "
+ @io.gets.should == "an "
+ @io.gets.should == "example\nfor "
+ @io.gets.should == "StringIO#gets"
+ ensure
+ $/ = old_sep
+ end
+ end
+
+ it "sets $_ to the read content" do
+ @io.gets
+ $_.should == "this is\n"
+ @io.gets
+ $_.should == "an example\n"
+ @io.gets
+ $_.should == "for StringIO#gets"
+ @io.gets
+ $_.should be_nil
+ end
+
+ it "updates self's position" do
+ @io.gets
+ @io.pos.should eql(8)
+
+ @io.gets
+ @io.pos.should eql(19)
+
+ @io.gets
+ @io.pos.should eql(36)
+ end
+
+ it "updates self's lineno" do
+ @io.gets
+ @io.lineno.should eql(1)
+
+ @io.gets
+ @io.lineno.should eql(2)
+
+ @io.gets
+ @io.lineno.should eql(3)
+ end
+
+ it "returns nil if self is at the end" do
+ @io.pos = 36
+ @io.gets.should be_nil
+ @io.gets.should be_nil
+ end
+end
+
+describe "StringIO#gets when passed [limit]" do
+ before :each do
+ @io = StringIO.new("this>is>an>example")
+ end
+
+ it "returns the data read until the limit is met" do
+ @io.gets(4).should == "this"
+ @io.gets(3).should == ">is"
+ @io.gets(5).should == ">an>e"
+ @io.gets(6).should == "xample"
+ end
+
+ it "sets $_ to the read content" do
+ @io.gets(4)
+ $_.should == "this"
+ @io.gets(3)
+ $_.should == ">is"
+ @io.gets(5)
+ $_.should == ">an>e"
+ @io.gets(6)
+ $_.should == "xample"
+ @io.gets(3)
+ $_.should be_nil
+ end
+
+ it "updates self's lineno by one" do
+ @io.gets(3)
+ @io.lineno.should eql(1)
+
+ @io.gets(3)
+ @io.lineno.should eql(2)
+
+ @io.gets(3)
+ @io.lineno.should eql(3)
+ end
+
+ it "tries to convert the passed limit to an Integer using #to_int" do
+ obj = mock('to_int')
+ obj.should_receive(:to_int).and_return(4)
+ @io.gets(obj).should == "this"
+ end
+
+ it "returns a blank string when passed a limit of 0" do
+ @io.gets(0).should == ""
+ end
+end
+
+describe "StringIO#gets when passed [separator] and [limit]" do
+ before :each do
+ @io = StringIO.new("this>is>an>example")
+ end
+
+ it "returns the data read until the limit is consumed or the separator is met" do
+ @io.gets('>', 8).should == "this>"
+ @io.gets('>', 2).should == "is"
+ @io.gets('>', 10).should == ">"
+ @io.gets('>', 6).should == "an>"
+ @io.gets('>', 5).should == "examp"
+ end
+
+ it "sets $_ to the read content" do
+ @io.gets('>', 8)
+ $_.should == "this>"
+ @io.gets('>', 2)
+ $_.should == "is"
+ @io.gets('>', 10)
+ $_.should == ">"
+ @io.gets('>', 6)
+ $_.should == "an>"
+ @io.gets('>', 5)
+ $_.should == "examp"
+ end
+
+ it "updates self's lineno by one" do
+ @io.gets('>', 3)
+ @io.lineno.should eql(1)
+
+ @io.gets('>', 3)
+ @io.lineno.should eql(2)
+
+ @io.gets('>', 3)
+ @io.lineno.should eql(3)
+ end
+
+ it "tries to convert the passed separator to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return('>')
+ @io.gets(obj, 5).should == "this>"
+ end
+
+ it "does not raise TypeError if passed separator is nil" do
+ @io.gets(nil, 5).should == "this>"
+ end
+
+ it "tries to convert the passed limit to an Integer using #to_int" do
+ obj = mock('to_int')
+ obj.should_receive(:to_int).and_return(5)
+ @io.gets('>', obj).should == "this>"
+ end
+end
+
+describe "StringIO#gets when in write-only mode" do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.gets }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.gets }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/initialize_spec.rb b/spec/ruby/library/stringio/initialize_spec.rb
new file mode 100644
index 0000000000..8b661a3790
--- /dev/null
+++ b/spec/ruby/library/stringio/initialize_spec.rb
@@ -0,0 +1,185 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+
+describe "StringIO#initialize when passed [Object, mode]" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "uses the passed Object as the StringIO backend" do
+ @io.send(:initialize, str = "example", "r")
+ @io.string.should equal(str)
+ end
+
+ it "sets the mode based on the passed mode" do
+ io = StringIO.allocate
+ io.send(:initialize, "example", "r")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "rb")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "r+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "rb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "w")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "wb")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "w+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "wb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "a")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "ab")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "a+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "ab+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "allows passing the mode as an Integer" do
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDONLY)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY | IO::TRUNC)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR | IO::TRUNC)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY | IO::APPEND)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR | IO::APPEND)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "raises a RuntimeError when passed a frozen String in truncate mode as StringIO backend" do
+ io = StringIO.allocate
+ lambda { io.send(:initialize, "example".freeze, IO::TRUNC) }.should raise_error(RuntimeError)
+ end
+
+ it "tries to convert the passed mode to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("r")
+ @io.send(:initialize, "example", obj)
+
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ end
+
+ it "raises an Errno::EACCES error when passed a frozen string with a write-mode" do
+ (str = "example").freeze
+ lambda { @io.send(:initialize, str, "r+") }.should raise_error(Errno::EACCES)
+ lambda { @io.send(:initialize, str, "w") }.should raise_error(Errno::EACCES)
+ lambda { @io.send(:initialize, str, "a") }.should raise_error(Errno::EACCES)
+ end
+end
+
+describe "StringIO#initialize when passed [Object]" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "uses the passed Object as the StringIO backend" do
+ @io.send(:initialize, str = "example")
+ @io.string.should equal(str)
+ end
+
+ it "sets the mode to read-write" do
+ @io.send(:initialize, "example")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("example")
+ @io.send(:initialize, obj)
+ @io.string.should == "example"
+ end
+
+ it "automatically sets the mode to read-only when passed a frozen string" do
+ (str = "example").freeze
+ @io.send(:initialize, str)
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ end
+end
+
+describe "StringIO#initialize when passed no arguments" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "is private" do
+ StringIO.should have_private_instance_method(:initialize)
+ end
+
+ it "sets the mode to read-write" do
+ @io.send(:initialize, "example")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ end
+
+ it "uses an empty String as the StringIO backend" do
+ @io.send(:initialize)
+ @io.string.should == ""
+ end
+end
diff --git a/spec/ruby/library/stringio/internal_encoding_spec.rb b/spec/ruby/library/stringio/internal_encoding_spec.rb
new file mode 100644
index 0000000000..f8ecb35989
--- /dev/null
+++ b/spec/ruby/library/stringio/internal_encoding_spec.rb
@@ -0,0 +1,10 @@
+require 'stringio'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "StringIO#internal_encoding" do
+ it "returns nil" do
+ io = StringIO.new
+ io.set_encoding Encoding::UTF_8
+ io.internal_encoding.should == nil
+ end
+end
diff --git a/spec/ruby/library/stringio/isatty_spec.rb b/spec/ruby/library/stringio/isatty_spec.rb
new file mode 100644
index 0000000000..c07dc2f6cc
--- /dev/null
+++ b/spec/ruby/library/stringio/isatty_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/isatty', __FILE__)
+
+describe "StringIO#isatty" do
+ it_behaves_like :stringio_isatty, :isatty
+end
diff --git a/spec/ruby/library/stringio/length_spec.rb b/spec/ruby/library/stringio/length_spec.rb
new file mode 100644
index 0000000000..ae8eb15502
--- /dev/null
+++ b/spec/ruby/library/stringio/length_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/length', __FILE__)
+
+describe "StringIO#length" do
+ it_behaves_like :stringio_length, :length
+end
diff --git a/spec/ruby/library/stringio/lineno_spec.rb b/spec/ruby/library/stringio/lineno_spec.rb
new file mode 100644
index 0000000000..b7ef83c7e1
--- /dev/null
+++ b/spec/ruby/library/stringio/lineno_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+
+describe "StringIO#lineno" do
+ before :each do
+ @io = StringIO.new("this\nis\nan\nexample")
+ end
+
+ it "returns the number of lines read" do
+ @io.gets
+ @io.gets
+ @io.gets
+ @io.lineno.should eql(3)
+ end
+end
+
+describe "StringIO#lineno=" do
+ before :each do
+ @io = StringIO.new("this\nis\nan\nexample")
+ end
+
+ it "sets the current line number, but has no impact on the position" do
+ @io.lineno = 3
+ @io.pos.should eql(0)
+
+ @io.gets.should == "this\n"
+ @io.lineno.should eql(4)
+ @io.pos.should eql(5)
+ end
+end
diff --git a/spec/ruby/library/stringio/lines_spec.rb b/spec/ruby/library/stringio/lines_spec.rb
new file mode 100644
index 0000000000..550b25549e
--- /dev/null
+++ b/spec/ruby/library/stringio/lines_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/each', __FILE__)
+
+describe "StringIO#lines when passed a separator" do
+ it_behaves_like :stringio_each_separator, :lines
+end
+
+describe "StringIO#lines when passed no arguments" do
+ it_behaves_like :stringio_each_no_arguments, :lines
+end
+
+describe "StringIO#lines when self is not readable" do
+ it_behaves_like :stringio_each_not_readable, :lines
+end
diff --git a/spec/ruby/library/stringio/open_spec.rb b/spec/ruby/library/stringio/open_spec.rb
new file mode 100644
index 0000000000..136ff5f972
--- /dev/null
+++ b/spec/ruby/library/stringio/open_spec.rb
@@ -0,0 +1,208 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+
+describe "StringIO.open when passed [Object, mode]" do
+ it "uses the passed Object as the StringIO backend" do
+ io = StringIO.open(str = "example", "r")
+ io.string.should equal(str)
+ end
+
+ it "returns the blocks return value when yielding" do
+ ret = StringIO.open("example", "r") { :test }
+ ret.should equal(:test)
+ end
+
+ it "yields self to the passed block" do
+ io = nil
+ StringIO.open("example", "r") { |strio| io = strio }
+ io.should be_kind_of(StringIO)
+ end
+
+ it "closes self after yielding" do
+ io = nil
+ StringIO.open("example", "r") { |strio| io = strio }
+ io.closed?.should be_true
+ end
+
+ it "even closes self when an exception is raised while yielding" do
+ io = nil
+ begin
+ StringIO.open("example", "r") do |strio|
+ io = strio
+ raise "Error"
+ end
+ rescue
+ end
+ io.closed?.should be_true
+ end
+
+ it "sets self's string to nil after yielding" do
+ io = nil
+ StringIO.open("example", "r") { |strio| io = strio }
+ io.string.should be_nil
+ end
+
+ it "even sets self's string to nil when an exception is raised while yielding" do
+ io = nil
+ begin
+ StringIO.open("example", "r") do |strio|
+ io = strio
+ raise "Error"
+ end
+ rescue
+ end
+ io.string.should be_nil
+ end
+
+ it "sets the mode based on the passed mode" do
+ io = StringIO.open("example", "r")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.open("example", "rb")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.open("example", "r+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "rb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "w")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "wb")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "w+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "wb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "a")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "ab")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "a+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", "ab+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "allows passing the mode as an Integer" do
+ io = StringIO.open("example", IO::RDONLY)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.open("example", IO::RDWR)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", IO::WRONLY)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", IO::WRONLY | IO::TRUNC)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", IO::RDWR | IO::TRUNC)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", IO::WRONLY | IO::APPEND)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.open("example", IO::RDWR | IO::APPEND)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "raises a RuntimeError when passed a frozen String in truncate mode as StringIO backend" do
+ lambda { StringIO.open("example".freeze, IO::TRUNC) }.should raise_error(RuntimeError)
+ end
+
+ it "tries to convert the passed mode to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("r")
+ io = StringIO.open("example", obj)
+
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+ end
+
+ it "raises an Errno::EACCES error when passed a frozen string with a write-mode" do
+ (str = "example").freeze
+ lambda { StringIO.open(str, "r+") }.should raise_error(Errno::EACCES)
+ lambda { StringIO.open(str, "w") }.should raise_error(Errno::EACCES)
+ lambda { StringIO.open(str, "a") }.should raise_error(Errno::EACCES)
+ end
+end
+
+describe "StringIO.open when passed [Object]" do
+ it "uses the passed Object as the StringIO backend" do
+ io = StringIO.open(str = "example")
+ io.string.should equal(str)
+ end
+
+ it "yields self to the passed block" do
+ io = nil
+ ret = StringIO.open("example") { |strio| io = strio }
+ io.should equal(ret)
+ end
+
+ it "sets the mode to read-write" do
+ io = StringIO.open("example")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("example")
+ io = StringIO.open(obj)
+ io.string.should == "example"
+ end
+
+ it "automatically sets the mode to read-only when passed a frozen string" do
+ (str = "example").freeze
+ io = StringIO.open(str)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+ end
+end
+
+describe "StringIO.open when passed no arguments" do
+ it "yields self to the passed block" do
+ io = nil
+ ret = StringIO.open { |strio| io = strio }
+ io.should equal(ret)
+ end
+
+ it "sets the mode to read-write" do
+ io = StringIO.open
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "uses an empty String as the StringIO backend" do
+ StringIO.open.string.should == ""
+ end
+end
+
diff --git a/spec/ruby/library/stringio/path_spec.rb b/spec/ruby/library/stringio/path_spec.rb
new file mode 100644
index 0000000000..6165cf97c4
--- /dev/null
+++ b/spec/ruby/library/stringio/path_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#path" do
+ it "is not defined" do
+ lambda { StringIO.new("path").path }.should raise_error(NoMethodError)
+ end
+end
diff --git a/spec/ruby/library/stringio/pid_spec.rb b/spec/ruby/library/stringio/pid_spec.rb
new file mode 100644
index 0000000000..41e60880cc
--- /dev/null
+++ b/spec/ruby/library/stringio/pid_spec.rb
@@ -0,0 +1,8 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#pid" do
+ it "returns nil" do
+ StringIO.new("pid").pid.should be_nil
+ end
+end
diff --git a/spec/ruby/library/stringio/pos_spec.rb b/spec/ruby/library/stringio/pos_spec.rb
new file mode 100644
index 0000000000..59d0a43f12
--- /dev/null
+++ b/spec/ruby/library/stringio/pos_spec.rb
@@ -0,0 +1,28 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/tell', __FILE__)
+
+describe "StringIO#pos" do
+ it_behaves_like :stringio_tell, :pos
+end
+
+describe "StringIO#pos=" do
+ before :each do
+ @io = StringIOSpecs.build
+ end
+
+ it "updates the current byte offset" do
+ @io.pos = 26
+ @io.read(1).should == "r"
+ end
+
+ it "raises an EINVAL if given a negative argument" do
+ lambda { @io.pos = -10 }.should raise_error(Errno::EINVAL)
+ end
+
+ it "updates the current byte offset after reaching EOF" do
+ @io.read
+ @io.pos = 26
+ @io.read(1).should == "r"
+ end
+end
diff --git a/spec/ruby/library/stringio/print_spec.rb b/spec/ruby/library/stringio/print_spec.rb
new file mode 100644
index 0000000000..0f67aeb921
--- /dev/null
+++ b/spec/ruby/library/stringio/print_spec.rb
@@ -0,0 +1,100 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#print" do
+ before :each do
+ @io = StringIO.new('example')
+ end
+
+ it "prints $_ when passed no arguments" do
+ $_ = nil
+ @io.print
+ @io.string.should == "example"
+
+ $_ = "blah"
+ @io.print
+ @io.string.should == "blahple"
+ end
+
+ it "prints the passed arguments to self" do
+ @io.print(5, 6, 7, 8)
+ @io.string.should == "5678ple"
+ end
+
+ it "tries to convert the passed Object to a String using #to_s" do
+ obj = mock("to_s")
+ obj.should_receive(:to_s).and_return("to_s")
+ @io.print(obj)
+ @io.string.should == "to_sple"
+ end
+
+ it "returns nil" do
+ @io.print(1, 2, 3).should be_nil
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 10
+ @io.print(1, 2, 3)
+ @io.string.should == "example\000\000\000123"
+ end
+
+ it "honors the output record separator global" do
+ old_rs, $\ = $\, 'x'
+
+ begin
+ @io.print(5, 6, 7, 8)
+ @io.string.should == '5678xle'
+ ensure
+ $\ = old_rs
+ end
+ end
+
+ it "updates the current position" do
+ @io.print(1, 2, 3)
+ @io.pos.should eql(3)
+
+ @io.print(1, 2, 3)
+ @io.pos.should eql(6)
+ end
+
+ it "correctly updates the current position when honoring the output record separator global" do
+ old_rs, $\ = $\, 'x'
+
+ begin
+ @io.print(5, 6, 7, 8)
+ @io.pos.should eql(5)
+ ensure
+ $\ = old_rs
+ end
+ end
+end
+
+describe "StringIO#print when in append mode" do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self" do
+ @io.print(", just testing")
+ @io.string.should == "example, just testing"
+
+ @io.print(" and more testing")
+ @io.string.should == "example, just testing and more testing"
+ end
+
+ it "correctly updates self's position" do
+ @io.print(", testing")
+ @io.pos.should eql(16)
+ end
+end
+
+describe "StringIO#print when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.print("test") }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.print("test") }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/printf_spec.rb b/spec/ruby/library/stringio/printf_spec.rb
new file mode 100644
index 0000000000..5f811547bc
--- /dev/null
+++ b/spec/ruby/library/stringio/printf_spec.rb
@@ -0,0 +1,61 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#printf" do
+ before :each do
+ @io = StringIO.new('example')
+ end
+
+ it "returns nil" do
+ @io.printf("%d %04x", 123, 123).should be_nil
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 10
+ @io.printf("%d", 123)
+ @io.string.should == "example\000\000\000123"
+ end
+
+ it "performs format conversion" do
+ @io.printf("%d %04x", 123, 123)
+ @io.string.should == "123 007b"
+ end
+
+ it "updates the current position" do
+ @io.printf("%d %04x", 123, 123)
+ @io.pos.should eql(8)
+
+ @io.printf("%d %04x", 123, 123)
+ @io.pos.should eql(16)
+ end
+end
+
+describe "StringIO#printf when in append mode" do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self" do
+ @io.printf("%d %04x", 123, 123)
+ @io.string.should == "example123 007b"
+
+ @io.printf("%d %04x", 123, 123)
+ @io.string.should == "example123 007b123 007b"
+ end
+
+ it "correctly updates self's position" do
+ @io.printf("%d %04x", 123, 123)
+ @io.pos.should eql(15)
+ end
+end
+
+describe "StringIO#printf when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.printf("test") }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.printf("test") }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/putc_spec.rb b/spec/ruby/library/stringio/putc_spec.rb
new file mode 100644
index 0000000000..783e5a405b
--- /dev/null
+++ b/spec/ruby/library/stringio/putc_spec.rb
@@ -0,0 +1,88 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#putc when passed [String]" do
+ before :each do
+ @io = StringIO.new('example')
+ end
+
+ it "overwrites the character at the current position" do
+ @io.putc("t")
+ @io.string.should == "txample"
+
+ @io.pos = 3
+ @io.putc("t")
+ @io.string.should == "txatple"
+ end
+
+ it "only writes the first character from the passed String" do
+ @io.putc("test")
+ @io.string.should == "txample"
+ end
+
+ it "returns the passed String" do
+ str = "test"
+ @io.putc(str).should equal(str)
+ end
+
+ it "correctly updates the current position" do
+ @io.putc("t")
+ @io.pos.should == 1
+
+ @io.putc("test")
+ @io.pos.should == 2
+
+ @io.putc("t")
+ @io.pos.should == 3
+ end
+end
+
+describe "StringIO#putc when passed [Object]" do
+ before :each do
+ @io = StringIO.new('example')
+ end
+
+ it "it writes the passed Integer % 256 to self" do
+ @io.putc(333) # 333 % 256 == ?M
+ @io.string.should == "Mxample"
+
+ @io.putc(-450) # -450 % 256 == ?>
+ @io.string.should == "M>ample"
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 10
+ @io.putc(?A)
+ @io.string.should == "example\000\000\000A"
+ end
+
+ it "tries to convert the passed argument to an Integer using #to_int" do
+ obj = mock('to_int')
+ obj.should_receive(:to_int).and_return(116)
+ @io.putc(obj)
+ @io.string.should == "txample"
+ end
+
+ it "raises a TypeError when the passed argument can't be coerced to Integer" do
+ lambda { @io.putc(Object.new) }.should raise_error(TypeError)
+ end
+end
+
+describe "StringIO#putc when in append mode" do
+ it "appends to the end of self" do
+ io = StringIO.new("test", "a")
+ io.putc(?t)
+ io.string.should == "testt"
+ end
+end
+
+describe "StringIO#putc when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.putc(?a) }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.putc("t") }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/puts_spec.rb b/spec/ruby/library/stringio/puts_spec.rb
new file mode 100644
index 0000000000..93a676aa15
--- /dev/null
+++ b/spec/ruby/library/stringio/puts_spec.rb
@@ -0,0 +1,159 @@
+# -*- encoding: utf-8 -*-
+
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#puts when passed an Array" do
+ before :each do
+ @io = StringIO.new
+ end
+
+ it "writes each element of the passed Array to self, separated by a newline" do
+ @io.puts([1, 2, 3, 4])
+ @io.string.should == "1\n2\n3\n4\n"
+
+ @io.puts([1, 2], [3, 4])
+ @io.string.should == "1\n2\n3\n4\n1\n2\n3\n4\n"
+ end
+
+ it "flattens nested Arrays" do
+ @io.puts([1, [2, [3, [4]]]])
+ @io.string.should == "1\n2\n3\n4\n"
+ end
+
+ it "handles self-recursive arrays correctly" do
+ (ary = [5])
+ ary << ary
+ @io.puts(ary)
+ @io.string.should == "5\n[...]\n"
+ end
+
+ it "does not honor the global output record separator $\\" do
+ begin
+ old_rs, $\ = $\, "test"
+ @io.puts([1, 2, 3, 4])
+ @io.string.should == "1\n2\n3\n4\n"
+ ensure
+ $\ = old_rs
+ end
+ end
+
+ it "first tries to convert each Array element to an Array using #to_ary" do
+ obj = mock("Object")
+ obj.should_receive(:to_ary).and_return(["to_ary"])
+ @io.puts([obj])
+ @io.string.should == "to_ary\n"
+ end
+
+ it "then tries to convert each Array element to a String using #to_s" do
+ obj = mock("Object")
+ obj.should_receive(:to_s).and_return("to_s")
+ @io.puts([obj])
+ @io.string.should == "to_s\n"
+ end
+end
+
+describe "StringIO#puts when passed 1 or more objects" do
+ before :each do
+ @io = StringIO.new
+ end
+
+ it "does not honor the global output record separator $\\" do
+ begin
+ old_rs, $\ = $\, "test"
+ @io.puts(1, 2, 3, 4)
+ @io.string.should == "1\n2\n3\n4\n"
+ ensure
+ $\ = old_rs
+ end
+ end
+
+ it "does not put a \\n after each Objects that end in a newline" do
+ @io.puts("1\n", "2\n", "3\n")
+ @io.string.should == "1\n2\n3\n"
+ end
+
+ it "first tries to convert each Object to an Array using #to_ary" do
+ obj = mock("Object")
+ obj.should_receive(:to_ary).and_return(["to_ary"])
+ @io.puts(obj)
+ @io.string.should == "to_ary\n"
+ end
+
+ it "then tries to convert each Object to a String using #to_s" do
+ obj = mock("Object")
+ obj.should_receive(:to_s).and_return("to_s")
+ @io.puts(obj)
+ @io.string.should == "to_s\n"
+ end
+
+ it "prints a newline when passed an empty string" do
+ @io.puts ''
+ @io.string.should == "\n"
+ end
+end
+
+describe "StringIO#puts when passed no arguments" do
+ before :each do
+ @io = StringIO.new
+ end
+
+ it "returns nil" do
+ @io.puts.should be_nil
+ end
+
+ it "prints a newline" do
+ @io.puts
+ @io.string.should == "\n"
+ end
+
+ it "does not honor the global output record separator $\\" do
+ begin
+ old_rs, $\ = $\, "test"
+ @io.puts
+ @io.string.should == "\n"
+ ensure
+ $\ = old_rs
+ end
+ end
+end
+
+describe "StringIO#puts when in append mode" do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self" do
+ @io.puts(", just testing")
+ @io.string.should == "example, just testing\n"
+
+ @io.puts(" and more testing")
+ @io.string.should == "example, just testing\n and more testing\n"
+ end
+
+ it "correctly updates self's position" do
+ @io.puts(", testing")
+ @io.pos.should eql(17)
+ end
+end
+
+describe "StringIO#puts when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.puts }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.puts }.should raise_error(IOError)
+ end
+end
+
+describe "StringIO#puts when passed an encoded string" do
+ it "stores the bytes unmodified" do
+ io = StringIO.new("")
+ io.puts "\x00\x01\x02"
+ io.puts "æåø"
+
+ io.string.should == "\x00\x01\x02\næåø\n"
+ end
+end
diff --git a/spec/ruby/library/stringio/read_nonblock_spec.rb b/spec/ruby/library/stringio/read_nonblock_spec.rb
new file mode 100644
index 0000000000..84aefe8de7
--- /dev/null
+++ b/spec/ruby/library/stringio/read_nonblock_spec.rb
@@ -0,0 +1,20 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+require File.expand_path('../shared/read', __FILE__)
+require File.expand_path('../shared/sysread', __FILE__)
+
+describe "StringIO#read_nonblock when passed length, buffer" do
+ it_behaves_like :stringio_read, :read_nonblock
+end
+
+describe "StringIO#read_nonblock when passed length" do
+ it_behaves_like :stringio_read_length, :read_nonblock
+end
+
+describe "StringIO#read_nonblock when passed nil" do
+ it_behaves_like :stringio_read_nil, :read_nonblock
+end
+
+describe "StringIO#read_nonblock when passed length" do
+ it_behaves_like :stringio_sysread_length, :read_nonblock
+end
diff --git a/spec/ruby/library/stringio/read_spec.rb b/spec/ruby/library/stringio/read_spec.rb
new file mode 100644
index 0000000000..2b9c6e10b2
--- /dev/null
+++ b/spec/ruby/library/stringio/read_spec.rb
@@ -0,0 +1,62 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+require File.expand_path('../shared/read', __FILE__)
+
+describe "StringIO#read when passed length, buffer" do
+ it_behaves_like :stringio_read, :read
+end
+
+describe "StringIO#read when passed [length]" do
+ it_behaves_like :stringio_read_length, :read
+end
+
+describe "StringIO#read when passed no arguments" do
+ it_behaves_like :stringio_read_no_arguments, :read
+
+ it "returns an empty string if at EOF" do
+ @io.read.should == "example"
+ @io.read.should == ""
+ end
+end
+
+describe "StringIO#read when passed nil" do
+ it_behaves_like :stringio_read_nil, :read
+
+ it "returns an empty string if at EOF" do
+ @io.read(nil).should == "example"
+ @io.read(nil).should == ""
+ end
+end
+
+describe "StringIO#read when self is not readable" do
+ it_behaves_like :stringio_read_not_readable, :read
+end
+
+describe "StringIO#read when passed [length]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns nil when self's position is at the end" do
+ @io.pos = 7
+ @io.read(10).should be_nil
+ end
+
+ it "returns an empty String when length is 0" do
+ @io.read(0).should == ""
+ end
+end
+
+describe "StringIO#read when passed length and a buffer" do
+ before :each do
+ @io = StringIO.new("abcdefghijklmnopqrstuvwxyz")
+ end
+
+ it "reads [length] characters into the buffer" do
+ buf = "foo"
+ result = @io.read(10, buf)
+
+ buf.should == "abcdefghij"
+ result.should equal(buf)
+ end
+end
diff --git a/spec/ruby/library/stringio/readbyte_spec.rb b/spec/ruby/library/stringio/readbyte_spec.rb
new file mode 100644
index 0000000000..0fbc49a4dd
--- /dev/null
+++ b/spec/ruby/library/stringio/readbyte_spec.rb
@@ -0,0 +1,20 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/readchar', __FILE__)
+
+describe "StringIO#readbyte" do
+ it_behaves_like :stringio_readchar, :readbyte
+
+ it "reads the next 8-bit byte from self's current position" do
+ io = StringIO.new("example")
+
+ io.send(@method).should == 101
+
+ io.pos = 4
+ io.send(@method).should == 112
+ end
+end
+
+describe "StringIO#readbyte when self is not readable" do
+ it_behaves_like :stringio_readchar_not_readable, :readbyte
+end
diff --git a/spec/ruby/library/stringio/readchar_spec.rb b/spec/ruby/library/stringio/readchar_spec.rb
new file mode 100644
index 0000000000..af673c871a
--- /dev/null
+++ b/spec/ruby/library/stringio/readchar_spec.rb
@@ -0,0 +1,20 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+require File.expand_path('../shared/readchar', __FILE__)
+
+describe "StringIO#readchar" do
+ it_behaves_like :stringio_readchar, :readchar
+
+ it "reads the next 8-bit byte from self's current position" do
+ io = StringIO.new("example")
+
+ io.send(@method).should == ?e
+
+ io.pos = 4
+ io.send(@method).should == ?p
+ end
+end
+
+describe "StringIO#readchar when self is not readable" do
+ it_behaves_like :stringio_readchar_not_readable, :readchar
+end
diff --git a/spec/ruby/library/stringio/readline_spec.rb b/spec/ruby/library/stringio/readline_spec.rb
new file mode 100644
index 0000000000..90890e3ad1
--- /dev/null
+++ b/spec/ruby/library/stringio/readline_spec.rb
@@ -0,0 +1,122 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+
+describe "StringIO#readline when passed [separator]" do
+ before :each do
+ @io = StringIO.new("this>is>an>example")
+ end
+
+ it "returns the data read till the next occurence of the passed separator" do
+ @io.readline(">").should == "this>"
+ @io.readline(">").should == "is>"
+ @io.readline(">").should == "an>"
+ @io.readline(">").should == "example"
+ end
+
+ it "sets $_ to the read content" do
+ @io.readline(">")
+ $_.should == "this>"
+ @io.readline(">")
+ $_.should == "is>"
+ @io.readline(">")
+ $_.should == "an>"
+ @io.readline(">")
+ $_.should == "example"
+ end
+
+ it "updates self's lineno by one" do
+ @io.readline(">")
+ @io.lineno.should eql(1)
+
+ @io.readline(">")
+ @io.lineno.should eql(2)
+
+ @io.readline(">")
+ @io.lineno.should eql(3)
+ end
+
+ it "returns the next paragraph when the passed separator is an empty String" do
+ io = StringIO.new("this is\n\nan example")
+ io.readline("").should == "this is\n\n"
+ io.readline("").should == "an example"
+ end
+
+ it "returns the remaining content starting at the current position when passed nil" do
+ io = StringIO.new("this is\n\nan example")
+ io.pos = 5
+ io.readline(nil).should == "is\n\nan example"
+ end
+
+ it "tries to convert the passed separator to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return(">")
+ @io.readline(obj).should == "this>"
+ end
+end
+
+describe "StringIO#readline when passed no argument" do
+ before :each do
+ @io = StringIO.new("this is\nan example\nfor StringIO#readline")
+ end
+
+ it "returns the data read till the next occurence of $/ or till eof" do
+ @io.readline.should == "this is\n"
+
+ begin
+ old_sep, $/ = $/, " "
+ @io.readline.should == "an "
+ @io.readline.should == "example\nfor "
+ @io.readline.should == "StringIO#readline"
+ ensure
+ $/ = old_sep
+ end
+ end
+
+ it "sets $_ to the read content" do
+ @io.readline
+ $_.should == "this is\n"
+ @io.readline
+ $_.should == "an example\n"
+ @io.readline
+ $_.should == "for StringIO#readline"
+ end
+
+ it "updates self's position" do
+ @io.readline
+ @io.pos.should eql(8)
+
+ @io.readline
+ @io.pos.should eql(19)
+
+ @io.readline
+ @io.pos.should eql(40)
+ end
+
+ it "updates self's lineno" do
+ @io.readline
+ @io.lineno.should eql(1)
+
+ @io.readline
+ @io.lineno.should eql(2)
+
+ @io.readline
+ @io.lineno.should eql(3)
+ end
+
+ it "raises an IOError if self is at the end" do
+ @io.pos = 40
+ lambda { @io.readline }.should raise_error(IOError)
+ end
+end
+
+describe "StringIO#readline when in write-only mode" do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.readline }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.readline }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/readlines_spec.rb b/spec/ruby/library/stringio/readlines_spec.rb
new file mode 100644
index 0000000000..215a6cbb2a
--- /dev/null
+++ b/spec/ruby/library/stringio/readlines_spec.rb
@@ -0,0 +1,92 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#readlines when passed [separator]" do
+ before :each do
+ @io = StringIO.new("this>is>an>example")
+ end
+
+ it "returns an Array containing lines based on the passed separator" do
+ @io.readlines(">").should == ["this>", "is>", "an>", "example"]
+ end
+
+ it "updates self's position based on the number of read bytes" do
+ @io.readlines(">")
+ @io.pos.should eql(18)
+ end
+
+ it "updates self's lineno based on the number of read lines" do
+ @io.readlines(">")
+ @io.lineno.should eql(4)
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.readlines(">")
+ $_.should == "test"
+ end
+
+ it "returns an Array containing all paragraphs when the passed separator is an empty String" do
+ io = StringIO.new("this is\n\nan example")
+ io.readlines("").should == ["this is\n\n", "an example"]
+ end
+
+ it "returns the remaining content as one line starting at the current position when passed nil" do
+ io = StringIO.new("this is\n\nan example")
+ io.pos = 5
+ io.readlines(nil).should == ["is\n\nan example"]
+ 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.readlines(obj).should == ["this>", "is>", "an>", "example"]
+ end
+end
+
+describe "StringIO#readlines when passed no argument" do
+ before :each do
+ @io = StringIO.new("this is\nan example\nfor StringIO#readlines")
+ end
+
+ it "returns an Array containing lines based on $/" do
+ begin
+ old_sep, $/ = $/, " "
+ @io.readlines.should == ["this ", "is\nan ", "example\nfor ", "StringIO#readlines"]
+ ensure
+ $/ = old_sep
+ end
+ end
+
+ it "updates self's position based on the number of read bytes" do
+ @io.readlines
+ @io.pos.should eql(41)
+ end
+
+ it "updates self's lineno based on the number of read lines" do
+ @io.readlines
+ @io.lineno.should eql(3)
+ 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.pos = 41
+ @io.readlines.should == []
+ end
+end
+
+describe "StringIO#readlines when in write-only mode" do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.readlines }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.readlines }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/readpartial_spec.rb b/spec/ruby/library/stringio/readpartial_spec.rb
new file mode 100644
index 0000000000..e65e50fa41
--- /dev/null
+++ b/spec/ruby/library/stringio/readpartial_spec.rb
@@ -0,0 +1,80 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#readpartial" do
+ before :each do
+ @string = StringIO.new('Stop, look, listen')
+ end
+
+ after :each do
+ @string.close unless @string.closed?
+ end
+
+ it "raises IOError on closed stream" do
+ @string.close
+ lambda { @string.readpartial(10) }.should raise_error(IOError)
+ end
+
+ it "reads at most the specified number of bytes" do
+
+ # buffered read
+ @string.read(1).should == 'S'
+ # return only specified number, not the whole buffer
+ @string.readpartial(1).should == "t"
+ end
+
+ it "reads after ungetc with data in the buffer" do
+ c = @string.getc
+ @string.ungetc(c)
+ @string.readpartial(4).should == "Stop"
+ @string.readpartial(3).should == ", l"
+ end
+
+ it "reads after ungetc without data in the buffer" do
+ @string = StringIO.new
+ @string.write("f").should == 1
+ @string.rewind
+ c = @string.getc
+ c.should == 'f'
+ @string.ungetc(c).should == nil
+
+ @string.readpartial(2).should == "f"
+ @string.rewind
+ # now, also check that the ungot char is cleared and
+ # not returned again
+ @string.write("b").should == 1
+ @string.rewind
+ @string.readpartial(2).should == "b"
+ end
+
+ it "discards the existing buffer content upon successful read" do
+ buffer = "existing"
+ @string.readpartial(11, buffer)
+ buffer.should == "Stop, look,"
+ end
+
+ it "raises EOFError on EOF" do
+ @string.readpartial(18).should == 'Stop, look, listen'
+ lambda { @string.readpartial(10) }.should raise_error(EOFError)
+ end
+
+ it "discards the existing buffer content upon error" do
+ buffer = 'hello'
+ @string.readpartial(100)
+ lambda { @string.readpartial(1, buffer) }.should raise_error(EOFError)
+ buffer.should be_empty
+ end
+
+ it "raises IOError if the stream is closed" do
+ @string.close
+ lambda { @string.readpartial(1) }.should raise_error(IOError)
+ end
+
+ it "raises ArgumentError if the negative argument is provided" do
+ lambda { @string.readpartial(-1) }.should raise_error(ArgumentError)
+ end
+
+ it "immediately returns an empty string if the length argument is 0" do
+ @string.readpartial(0).should == ""
+ end
+end
diff --git a/spec/ruby/library/stringio/reopen_spec.rb b/spec/ruby/library/stringio/reopen_spec.rb
new file mode 100644
index 0000000000..abdecdf9de
--- /dev/null
+++ b/spec/ruby/library/stringio/reopen_spec.rb
@@ -0,0 +1,288 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#reopen when passed [Object, Integer]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "reopens self with the passed Object in the passed mode" do
+ @io.reopen("reopened", IO::RDONLY)
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ @io.string.should == "reopened"
+
+ @io.reopen("reopened, twice", IO::WRONLY)
+ @io.closed_read?.should be_true
+ @io.closed_write?.should be_false
+ @io.string.should == "reopened, twice"
+
+ @io.reopen("reopened, another time", IO::RDWR)
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ @io.string.should == "reopened, another time"
+ end
+
+ # NOTE: WEIRD!
+ it "does not taint self when the passed Object was tainted" do
+ @io.reopen("reopened".taint, IO::RDONLY)
+ @io.tainted?.should be_false
+
+ @io.reopen("reopened".taint, IO::WRONLY)
+ @io.tainted?.should be_false
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return("to_str")
+ @io.reopen(obj, IO::RDWR)
+ @io.string.should == "to_str"
+ end
+
+ it "raises a TypeError when the passed Object can't be converted to a String" do
+ lambda { @io.reopen(Object.new, IO::RDWR) }.should raise_error(TypeError)
+ end
+
+ it "raises an Errno::EACCES when trying to reopen self with a frozen String in write-mode" do
+ lambda { @io.reopen("burn".freeze, IO::WRONLY) }.should raise_error(Errno::EACCES)
+ lambda { @io.reopen("burn".freeze, IO::WRONLY | IO::APPEND) }.should raise_error(Errno::EACCES)
+ end
+
+ it "raises a RuntimeError when trying to reopen self with a frozen String in truncate-mode" do
+ lambda { @io.reopen("burn".freeze, IO::RDONLY | IO::TRUNC) }.should raise_error(RuntimeError)
+ end
+
+ it "does not raise IOError when passed a frozen String in read-mode" do
+ @io.reopen("burn".freeze, IO::RDONLY)
+ @io.string.should == "burn"
+ end
+end
+
+describe "StringIO#reopen when passed [Object, Object]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "reopens self with the passed Object in the passed mode" do
+ @io.reopen("reopened", "r")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ @io.string.should == "reopened"
+
+ @io.reopen("reopened, twice", "r+")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ @io.string.should == "reopened, twice"
+
+ @io.reopen("reopened, another", "w+")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ @io.string.should == ""
+
+ @io.reopen("reopened, another time", "r+")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ @io.string.should == "reopened, another time"
+ end
+
+ it "truncates the passed String when opened in truncate mode" do
+ @io.reopen(str = "reopened", "w")
+ str.should == ""
+ end
+
+ # NOTE: WEIRD!
+ it "does not taint self when the passed Object was tainted" do
+ @io.reopen("reopened".taint, "r")
+ @io.tainted?.should be_false
+
+ @io.reopen("reopened".taint, "w")
+ @io.tainted?.should be_false
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return("to_str")
+ @io.reopen(obj, "r")
+ @io.string.should == "to_str"
+ end
+
+ it "raises a TypeError when the passed Object can't be converted to a String using #to_str" do
+ lambda { @io.reopen(Object.new, "r") }.should raise_error(TypeError)
+ end
+
+ it "resets self's position to 0" do
+ @io.read(5)
+ @io.reopen("reopened")
+ @io.pos.should eql(0)
+ end
+
+ it "resets self's line number to 0" do
+ @io.gets
+ @io.reopen("reopened")
+ @io.lineno.should eql(0)
+ end
+
+ it "tries to convert the passed mode Object to an Integer using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return("r")
+ @io.reopen("reopened", obj)
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ @io.string.should == "reopened"
+ end
+
+ it "raises an Errno::EACCES error when trying to reopen self with a frozen String in write-mode" do
+ lambda { @io.reopen("burn".freeze, 'w') }.should raise_error(Errno::EACCES)
+ lambda { @io.reopen("burn".freeze, 'w+') }.should raise_error(Errno::EACCES)
+ lambda { @io.reopen("burn".freeze, 'a') }.should raise_error(Errno::EACCES)
+ lambda { @io.reopen("burn".freeze, "r+") }.should raise_error(Errno::EACCES)
+ end
+
+ it "does not raise IOError if a frozen string is passed in read mode" do
+ @io.reopen("burn".freeze, "r")
+ @io.string.should == "burn"
+ end
+end
+
+describe "StringIO#reopen when passed [String]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "reopens self with the passed String in read-write mode" do
+ @io.close
+
+ @io.reopen("reopened")
+
+ @io.closed_write?.should be_false
+ @io.closed_read?.should be_false
+
+ @io.string.should == "reopened"
+ end
+
+ # NOTE: WEIRD!
+ it "does not taint self when the passed Object was tainted" do
+ @io.reopen("reopened".taint)
+ @io.tainted?.should be_false
+ end
+
+ it "resets self's position to 0" do
+ @io.read(5)
+ @io.reopen("reopened")
+ @io.pos.should eql(0)
+ end
+
+ it "resets self's line number to 0" do
+ @io.gets
+ @io.reopen("reopened")
+ @io.lineno.should eql(0)
+ end
+end
+
+describe "StringIO#reopen when passed [Object]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "raises a TypeError when passed an Object that can't be converted to a StringIO" do
+ lambda { @io.reopen(Object.new) }.should raise_error(TypeError)
+ end
+
+ it "does not try to convert the passed Object to a String using #to_str" do
+ obj = mock("not to_str")
+ obj.should_not_receive(:to_str)
+ lambda { @io.reopen(obj) }.should raise_error(TypeError)
+ end
+
+ it "tries to convert the passed Object to a StringIO using #to_strio" do
+ obj = mock("to_strio")
+ obj.should_receive(:to_strio).and_return(StringIO.new("to_strio"))
+ @io.reopen(obj)
+ @io.string.should == "to_strio"
+ end
+
+ # NOTE: WEIRD!
+ it "taints self when the passed Object was tainted" do
+ @io.reopen(StringIO.new("reopened").taint)
+ @io.tainted?.should be_true
+ end
+end
+
+describe "StringIO#reopen when passed no arguments" do
+ before :each do
+ @io = StringIO.new("example\nsecond line")
+ end
+
+ it "resets self's mode to read-write" do
+ @io.close
+ @io.reopen
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ end
+
+ it "resets self's position to 0" do
+ @io.read(5)
+ @io.reopen
+ @io.pos.should eql(0)
+ end
+
+ it "resets self's line number to 0" do
+ @io.gets
+ @io.reopen
+ @io.lineno.should eql(0)
+ end
+end
+
+# NOTE: Some reopen specs disabled due to MRI bugs. See:
+# http://rubyforge.org/tracker/index.php?func=detail&aid=13919&group_id=426&atid=1698
+# for details.
+describe "StringIO#reopen" do
+ before :each do
+ @io = StringIO.new('hello','a')
+ end
+
+ # TODO: find out if this is really a bug
+ it "reopens a stream when given a String argument" do
+ @io.reopen('goodbye').should == @io
+ @io.string.should == 'goodbye'
+ @io << 'x'
+ @io.string.should == 'xoodbye'
+ end
+
+ it "reopens a stream in append mode when flagged as such" do
+ @io.reopen('goodbye', 'a').should == @io
+ @io.string.should == 'goodbye'
+ @io << 'x'
+ @io.string.should == 'goodbyex'
+ end
+
+ it "reopens and truncate when reopened in write mode" do
+ @io.reopen('goodbye', 'wb').should == @io
+ @io.string.should == ''
+ @io << 'x'
+ @io.string.should == 'x'
+ end
+
+ it "truncates the given string, not a copy" do
+ str = 'goodbye'
+ @io.reopen(str, 'w')
+ @io.string.should == ''
+ str.should == ''
+ end
+
+ it "taints self if the provided StringIO argument is tainted" do
+ new_io = StringIO.new("tainted")
+ new_io.taint
+ @io.reopen(new_io)
+ @io.tainted?.should == true
+ end
+
+ it "does not truncate the content even when the StringIO argument is in the truncate mode" do
+ orig_io = StringIO.new("Original StringIO", IO::RDWR|IO::TRUNC)
+ orig_io.write("BLAH") # make sure the content is not empty
+
+ @io.reopen(orig_io)
+ @io.string.should == "BLAH"
+ end
+
+end
diff --git a/spec/ruby/library/stringio/rewind_spec.rb b/spec/ruby/library/stringio/rewind_spec.rb
new file mode 100644
index 0000000000..ef144a9f5f
--- /dev/null
+++ b/spec/ruby/library/stringio/rewind_spec.rb
@@ -0,0 +1,24 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#rewind" do
+ before :each do
+ @io = StringIO.new("hello\nworld")
+ @io.pos = 3
+ @io.lineno = 1
+ end
+
+ it "returns 0" do
+ @io.rewind.should eql(0)
+ end
+
+ it "resets the position" do
+ @io.rewind
+ @io.pos.should == 0
+ end
+
+ it "resets the line number" do
+ @io.rewind
+ @io.lineno.should == 0
+ end
+end
diff --git a/spec/ruby/library/stringio/seek_spec.rb b/spec/ruby/library/stringio/seek_spec.rb
new file mode 100644
index 0000000000..ec79122039
--- /dev/null
+++ b/spec/ruby/library/stringio/seek_spec.rb
@@ -0,0 +1,67 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#seek" do
+ before :each do
+ @io = StringIO.new("12345678")
+ end
+
+ it "seeks from the current position when whence is IO::SEEK_CUR" do
+ @io.pos = 1
+ @io.seek(1, IO::SEEK_CUR)
+ @io.pos.should eql(2)
+
+ @io.seek(-1, IO::SEEK_CUR)
+ @io.pos.should eql(1)
+ end
+
+ it "seeks from the end of self when whence is IO::SEEK_END" do
+ @io.seek(3, IO::SEEK_END)
+ @io.pos.should eql(11) # Outside of the StringIO's content
+
+ @io.seek(-2, IO::SEEK_END)
+ @io.pos.should eql(6)
+ end
+
+ it "seeks to an absolute position when whence is IO::SEEK_SET" do
+ @io.seek(5, IO::SEEK_SET)
+ @io.pos.should == 5
+
+ @io.pos = 3
+ @io.seek(5, IO::SEEK_SET)
+ @io.pos.should == 5
+ end
+
+ it "raises an Errno::EINVAL error on negative amounts when whence is IO::SEEK_SET" do
+ lambda { @io.seek(-5, IO::SEEK_SET) }.should raise_error(Errno::EINVAL)
+ end
+
+ it "raises an Errno::EINVAL error on incorrect whence argument" do
+ lambda { @io.seek(0, 3) }.should raise_error(Errno::EINVAL)
+ lambda { @io.seek(0, -1) }.should raise_error(Errno::EINVAL)
+ lambda { @io.seek(0, 2**16) }.should raise_error(Errno::EINVAL)
+ lambda { @io.seek(0, -2**16) }.should raise_error(Errno::EINVAL)
+ end
+
+ it "tries to convert the passed Object to a String using #to_int" do
+ obj = mock("to_int")
+ obj.should_receive(:to_int).and_return(2)
+ @io.seek(obj)
+ @io.pos.should eql(2)
+ end
+
+ it "raises a TypeError when the passed Object can't be converted to an Integer" do
+ lambda { @io.seek(Object.new) }.should raise_error(TypeError)
+ end
+end
+
+describe "StringIO#seek when self is closed" do
+ before :each do
+ @io = StringIO.new("example")
+ @io.close
+ end
+
+ it "raises an IOError" do
+ lambda { @io.seek(5) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/set_encoding_spec.rb b/spec/ruby/library/stringio/set_encoding_spec.rb
new file mode 100644
index 0000000000..c66c70ab04
--- /dev/null
+++ b/spec/ruby/library/stringio/set_encoding_spec.rb
@@ -0,0 +1,10 @@
+require 'stringio'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "StringIO#set_encoding" do
+ it "sets the encoding of the underlying String" do
+ io = StringIO.new
+ io.set_encoding Encoding::UTF_8
+ io.string.encoding.should == Encoding::UTF_8
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/codepoints.rb b/spec/ruby/library/stringio/shared/codepoints.rb
new file mode 100644
index 0000000000..c8ca03329f
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/codepoints.rb
@@ -0,0 +1,45 @@
+# -*- encoding: utf-8 -*-
+describe :stringio_codepoints, shared: true do
+ before :each do
+ @io = StringIO.new("∂φ/∂x = gaîté")
+ @enum = @io.send(@method)
+ end
+
+ it "returns an Enumerator" do
+ @enum.should be_an_instance_of(Enumerator)
+ end
+
+ it "yields each codepoint code in turn" do
+ @enum.to_a.should == [8706, 966, 47, 8706, 120, 32, 61, 32, 103, 97, 238, 116, 233]
+ end
+
+ it "yields each codepoint starting from the current position" do
+ @io.pos = 15
+ @enum.to_a.should == [238, 116, 233]
+ end
+
+ it "raises an error if reading invalid sequence" do
+ @io.pos = 1 # inside of a multibyte sequence
+ lambda { @enum.first }.should raise_error(ArgumentError)
+ end
+
+ it "raises an IOError if not readable" do
+ @io.close_read
+ lambda { @enum.to_a }.should raise_error(IOError)
+
+ io = StringIO.new("xyz", "w")
+ lambda { io.send(@method).to_a }.should raise_error(IOError)
+ end
+
+
+ it "calls the given block" do
+ r = []
+ @io.send(@method){|c| r << c }
+ r.should == [8706, 966, 47, 8706, 120, 32, 61, 32, 103, 97, 238, 116, 233]
+ end
+
+ it "returns self" do
+ @io.send(@method) {|l| l }.should equal(@io)
+ end
+
+end
diff --git a/spec/ruby/library/stringio/shared/each.rb b/spec/ruby/library/stringio/shared/each.rb
new file mode 100644
index 0000000000..0fde23634e
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/each.rb
@@ -0,0 +1,105 @@
+describe :stringio_each_separator, shared: true do
+ before :each do
+ @io = StringIO.new("a b c d e\n1 2 3 4 5")
+ end
+
+ it "uses the passed argument as the line separator" do
+ seen = []
+ @io.send(@method, " ") {|s| seen << s}
+ seen.should == ["a ", "b ", "c ", "d ", "e\n1 ", "2 ", "3 ", "4 ", "5"]
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.send(@method, " ") { |s| s}
+ $_.should == "test"
+ end
+
+ it "returns self" do
+ @io.send(@method) {|l| l }.should equal(@io)
+ 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(" ")
+
+ seen = []
+ @io.send(@method, obj) { |l| seen << l }
+ seen.should == ["a ", "b ", "c ", "d ", "e\n1 ", "2 ", "3 ", "4 ", "5"]
+ end
+
+ it "yields self's content starting from the current position when the passed separator is nil" do
+ seen = []
+ io = StringIO.new("1 2 1 2 1 2")
+ io.pos = 2
+ io.send(@method, nil) {|s| seen << s}
+ seen.should == ["2 1 2 1 2"]
+ end
+
+ it "yields each paragraph when passed an empty String as separator" do
+ seen = []
+ io = StringIO.new("para1\n\npara2\n\n\npara3")
+ io.send(@method, "") {|s| seen << s}
+ seen.should == ["para1\n\n", "para2\n\n", "para3"]
+ end
+end
+
+describe :stringio_each_no_arguments, shared: true do
+ before :each do
+ @io = StringIO.new("a b c d e\n1 2 3 4 5")
+ end
+
+ it "yields each line to the passed block" do
+ seen = []
+ @io.send(@method) {|s| seen << s }
+ seen.should == ["a b c d e\n", "1 2 3 4 5"]
+ end
+
+ it "yields each line starting from the current position" do
+ seen = []
+ @io.pos = 4
+ @io.send(@method) {|s| seen << s }
+ seen.should == ["c d e\n", "1 2 3 4 5"]
+ end
+
+ it "does not change $_" do
+ $_ = "test"
+ @io.send(@method) { |s| s}
+ $_.should == "test"
+ end
+
+ it "uses $/ as the default line separator" do
+ seen = []
+ begin
+ old_rs, $/ = $/, " "
+ @io.send(@method) {|s| seen << s }
+ seen.should eql(["a ", "b ", "c ", "d ", "e\n1 ", "2 ", "3 ", "4 ", "5"])
+ ensure
+ $/ = old_rs
+ end
+ end
+
+ it "returns self" do
+ @io.send(@method) {|l| l }.should equal(@io)
+ end
+
+ it "returns an Enumerator when passed no block" do
+ enum = @io.send(@method)
+ enum.instance_of?(Enumerator).should be_true
+
+ seen = []
+ enum.each { |b| seen << b }
+ seen.should == ["a b c d e\n", "1 2 3 4 5"]
+ end
+end
+
+describe :stringio_each_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("a b c d e", "w")
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+
+ io = StringIO.new("a b c d e")
+ io.close_read
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/each_byte.rb b/spec/ruby/library/stringio/shared/each_byte.rb
new file mode 100644
index 0000000000..1dc48ee437
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/each_byte.rb
@@ -0,0 +1,48 @@
+describe :stringio_each_byte, shared: true do
+ before :each do
+ @io = StringIO.new("xyz")
+ end
+
+ it "yields each character code in turn" do
+ seen = []
+ @io.send(@method) { |b| seen << b }
+ seen.should == [120, 121, 122]
+ end
+
+ it "updates the position before each yield" do
+ seen = []
+ @io.send(@method) { |b| seen << @io.pos }
+ seen.should == [1, 2, 3]
+ end
+
+ it "does not yield if the current position is out of bounds" do
+ @io.pos = 1000
+ seen = nil
+ @io.send(@method) { |b| seen = b }
+ seen.should be_nil
+ end
+
+ it "returns self" do
+ @io.send(@method) {}.should equal(@io)
+ end
+
+ it "returns an Enumerator when passed no block" do
+ enum = @io.send(@method)
+ enum.instance_of?(Enumerator).should be_true
+
+ seen = []
+ enum.each { |b| seen << b }
+ seen.should == [120, 121, 122]
+ end
+end
+
+describe :stringio_each_byte_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/each_char.rb b/spec/ruby/library/stringio/shared/each_char.rb
new file mode 100644
index 0000000000..35efdcb749
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/each_char.rb
@@ -0,0 +1,36 @@
+# -*- encoding: utf-8 -*-
+describe :stringio_each_char, shared: true do
+ before :each do
+ @io = StringIO.new("xyz äöü")
+ end
+
+ it "yields each character code in turn" do
+ seen = []
+ @io.send(@method) { |c| seen << c }
+ seen.should == ["x", "y", "z", " ", "ä", "ö", "ü"]
+ end
+
+ it "returns self" do
+ @io.send(@method) {}.should equal(@io)
+ end
+
+ it "returns an Enumerator when passed no block" do
+ enum = @io.send(@method)
+ enum.instance_of?(Enumerator).should be_true
+
+ seen = []
+ enum.each { |c| seen << c }
+ seen.should == ["x", "y", "z", " ", "ä", "ö", "ü"]
+ end
+end
+
+describe :stringio_each_char_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.send(@method) { |b| b } }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/eof.rb b/spec/ruby/library/stringio/shared/eof.rb
new file mode 100644
index 0000000000..e0368a2892
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/eof.rb
@@ -0,0 +1,24 @@
+describe :stringio_eof, shared: true do
+ before :each do
+ @io = StringIO.new("eof")
+ end
+
+ it "returns true when self's position is greater than or equal to self's size" do
+ @io.pos = 3
+ @io.send(@method).should be_true
+
+ @io.pos = 6
+ @io.send(@method).should be_true
+ end
+
+ it "returns false when self's position is less than self's size" do
+ @io.pos = 0
+ @io.send(@method).should be_false
+
+ @io.pos = 1
+ @io.send(@method).should be_false
+
+ @io.pos = 2
+ @io.send(@method).should be_false
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/getc.rb b/spec/ruby/library/stringio/shared/getc.rb
new file mode 100644
index 0000000000..3e064f9c1e
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/getc.rb
@@ -0,0 +1,43 @@
+describe :stringio_getc, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "increases self's position by one" do
+ @io.send(@method)
+ @io.pos.should eql(1)
+
+ @io.send(@method)
+ @io.pos.should eql(2)
+
+ @io.send(@method)
+ @io.pos.should eql(3)
+ end
+
+ it "returns nil when called at the end of self" do
+ @io.pos = 7
+ @io.send(@method).should be_nil
+ @io.send(@method).should be_nil
+ @io.send(@method).should be_nil
+ end
+
+ it "does not increase self's position when called at the end of file" do
+ @io.pos = 7
+ @io.send(@method)
+ @io.pos.should eql(7)
+
+ @io.send(@method)
+ @io.pos.should eql(7)
+ end
+end
+
+describe :stringio_getc_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("xyz", "w")
+ lambda { io.send(@method) }.should raise_error(IOError)
+
+ io = StringIO.new("xyz")
+ io.close_read
+ lambda { io.send(@method) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/isatty.rb b/spec/ruby/library/stringio/shared/isatty.rb
new file mode 100644
index 0000000000..3da5999953
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/isatty.rb
@@ -0,0 +1,5 @@
+describe :stringio_isatty, shared: true do
+ it "returns false" do
+ StringIO.new('tty').send(@method).should be_false
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/length.rb b/spec/ruby/library/stringio/shared/length.rb
new file mode 100644
index 0000000000..60a4eb1bdd
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/length.rb
@@ -0,0 +1,5 @@
+describe :stringio_length, shared: true do
+ it "returns the length of the wrapped string" do
+ StringIO.new("example").send(@method).should == 7
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/read.rb b/spec/ruby/library/stringio/shared/read.rb
new file mode 100644
index 0000000000..025829a2b1
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/read.rb
@@ -0,0 +1,121 @@
+describe :stringio_read, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns the passed buffer String" do
+ # Note: Rubinius bug:
+ # @io.send(@method, 7, buffer = "").should equal(buffer)
+ ret = @io.send(@method, 7, buffer = "")
+ ret.should equal(buffer)
+ end
+
+ it "reads length bytes and writes them to the buffer String" do
+ @io.send(@method, 7, buffer = "")
+ buffer.should == "example"
+ end
+
+ it "tries to convert the passed buffer Object to a String using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return(buffer = "")
+
+ @io.send(@method, 7, obj)
+ buffer.should == "example"
+ end
+
+ it "raises a TypeError when the passed buffer Object can't be converted to a String" do
+ lambda { @io.send(@method, 7, Object.new) }.should raise_error(TypeError)
+ end
+
+ it "raises an error when passed a frozen String as buffer" do
+ lambda { @io.send(@method, 7, "".freeze) }.should raise_error(RuntimeError)
+ end
+end
+
+describe :stringio_read_length, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "reads length bytes from the current position and returns them" do
+ @io.pos = 3
+ @io.send(@method, 4).should == "mple"
+ end
+
+ it "reads at most the whole content" do
+ @io.send(@method, 999).should == "example"
+ end
+
+ it "correctly updates the position" do
+ @io.send(@method, 3)
+ @io.pos.should eql(3)
+
+ @io.send(@method, 999)
+ @io.pos.should eql(7)
+ end
+
+ it "tries to convert the passed length to an Integer using #to_int" do
+ obj = mock("to_int")
+ obj.should_receive(:to_int).and_return(7)
+ @io.send(@method, obj).should == "example"
+ end
+
+ it "raises a TypeError when the passed length can't be converted to an Integer" do
+ lambda { @io.send(@method, Object.new) }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError when the passed length is negative" do
+ lambda { @io.send(@method, -2) }.should raise_error(ArgumentError)
+ end
+
+ it "returns a binary String" do
+ @io.send(@method, 4).encoding.should == Encoding::ASCII_8BIT
+ end
+end
+
+describe :stringio_read_no_arguments, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "reads the whole content starting from the current position" do
+ @io.send(@method).should == "example"
+
+ @io.pos = 3
+ @io.send(@method).should == "mple"
+ end
+
+ it "correctly updates the current position" do
+ @io.send(@method)
+ @io.pos.should eql(7)
+ end
+end
+
+describe :stringio_read_nil, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns the remaining content from the current position" do
+ @io.send(@method, nil).should == "example"
+
+ @io.pos = 4
+ @io.send(@method, nil).should == "ple"
+ end
+
+ it "updates the current position" do
+ @io.send(@method, nil)
+ @io.pos.should eql(7)
+ end
+end
+
+describe :stringio_read_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("test", "w")
+ lambda { io.send(@method) }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_read
+ lambda { io.send(@method) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/readchar.rb b/spec/ruby/library/stringio/shared/readchar.rb
new file mode 100644
index 0000000000..19194f0680
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/readchar.rb
@@ -0,0 +1,29 @@
+describe :stringio_readchar, shared: true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "correctly updates the current position" do
+ @io.send(@method)
+ @io.pos.should == 1
+
+ @io.send(@method)
+ @io.pos.should == 2
+ end
+
+ it "raises an EOFError when self is at the end" do
+ @io.pos = 7
+ lambda { @io.send(@method) }.should raise_error(EOFError)
+ end
+end
+
+describe :stringio_readchar_not_readable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("a b c d e", "w")
+ lambda { io.send(@method) }.should raise_error(IOError)
+
+ io = StringIO.new("a b c d e")
+ io.close_read
+ lambda { io.send(@method) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/sysread.rb b/spec/ruby/library/stringio/shared/sysread.rb
new file mode 100644
index 0000000000..9800b2339b
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/sysread.rb
@@ -0,0 +1,15 @@
+describe :stringio_sysread_length, :shared => true do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns an empty String when passed 0 and no data remains" do
+ @io.send(@method, 8).should == "example"
+ @io.send(@method, 0).should == ""
+ end
+
+ it "raises an EOFError when passed length > 0 and no data remains" do
+ @io.read.should == "example"
+ lambda { @io.sysread(1) }.should raise_error(EOFError)
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/tell.rb b/spec/ruby/library/stringio/shared/tell.rb
new file mode 100644
index 0000000000..852c51c192
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/tell.rb
@@ -0,0 +1,12 @@
+describe :stringio_tell, shared: true do
+ before :each do
+ @io = StringIOSpecs.build
+ end
+
+ it "returns the current byte offset" do
+ @io.getc
+ @io.send(@method).should == 1
+ @io.read(7)
+ @io.send(@method).should == 8
+ end
+end
diff --git a/spec/ruby/library/stringio/shared/write.rb b/spec/ruby/library/stringio/shared/write.rb
new file mode 100644
index 0000000000..bcb548bbd0
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/write.rb
@@ -0,0 +1,87 @@
+describe :stringio_write, shared: true do
+ before :each do
+ @io = StringIO.new('12345')
+ end
+
+ it "tries to convert the passed Object to a String using #to_s" do
+ obj = mock("to_s")
+ obj.should_receive(:to_s).and_return("to_s")
+ @io.send(@method, obj)
+ @io.string.should == "to_s5"
+ end
+end
+
+describe :stringio_write_string, shared: true do
+ before :each do
+ @io = StringIO.new('12345')
+ end
+
+ # TODO: RDoc says that #write appends at the current position.
+ it "writes the passed String at the current buffer position" do
+ @io.pos = 2
+ @io.send(@method, 'x').should == 1
+ @io.string.should == '12x45'
+ @io.send(@method, 7).should == 1
+ @io.string.should == '12x75'
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 8
+ @io.send(@method, 'x')
+ @io.string.should == "12345\000\000\000x"
+ @io.send(@method, 9)
+ @io.string.should == "12345\000\000\000x9"
+ end
+
+ it "returns the number of bytes written" do
+ @io.send(@method, '').should == 0
+ @io.send(@method, nil).should == 0
+ str = "1" * 100
+ @io.send(@method, str).should == 100
+ end
+
+ it "updates self's position" do
+ @io.send(@method, 'test')
+ @io.pos.should eql(4)
+ end
+
+ it "taints self's String when the passed argument is tainted" do
+ @io.send(@method, "test".taint)
+ @io.string.tainted?.should be_true
+ end
+
+ it "does not taint self when the passed argument is tainted" do
+ @io.send(@method, "test".taint)
+ @io.tainted?.should be_false
+ end
+end
+
+describe :stringio_write_not_writable, shared: true do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.send(@method, "test") }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.send(@method, "test") }.should raise_error(IOError)
+ end
+end
+
+describe :stringio_write_append, shared: true do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self" do
+ @io.send(@method, ", just testing")
+ @io.string.should == "example, just testing"
+
+ @io.send(@method, " and more testing")
+ @io.string.should == "example, just testing and more testing"
+ end
+
+ it "correctly updates self's position" do
+ @io.send(@method, ", testing")
+ @io.pos.should eql(16)
+ end
+end
diff --git a/spec/ruby/library/stringio/size_spec.rb b/spec/ruby/library/stringio/size_spec.rb
new file mode 100644
index 0000000000..1d6a7fc15e
--- /dev/null
+++ b/spec/ruby/library/stringio/size_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/length', __FILE__)
+
+describe "StringIO#size" do
+ it_behaves_like :stringio_length, :size
+end
diff --git a/spec/ruby/library/stringio/string_spec.rb b/spec/ruby/library/stringio/string_spec.rb
new file mode 100644
index 0000000000..7c4181b6de
--- /dev/null
+++ b/spec/ruby/library/stringio/string_spec.rb
@@ -0,0 +1,50 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#string" do
+ it "returns the underlying string" do
+ io = StringIO.new(str = "hello")
+ io.string.should equal(str)
+ end
+end
+
+describe "StringIO#string=" do
+ before :each do
+ @io = StringIO.new("example\nstring")
+ end
+
+ it "returns the passed String" do
+ str = "test"
+ (@io.string = str).should equal(str)
+ end
+
+ it "changes the underlying string" do
+ str = "hello"
+ @io.string = str
+ @io.string.should equal(str)
+ end
+
+ it "resets the position" do
+ @io.pos = 1
+ @io.string = "other"
+ @io.pos.should eql(0)
+ end
+
+ it "resets the line number" do
+ @io.lineno = 1
+ @io.string = "other"
+ @io.lineno.should eql(0)
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return("to_str")
+
+ @io.string = obj
+ @io.string.should == "to_str"
+ end
+
+ it "raises a TypeError when the passed Object can't be converted to an Integer" do
+ lambda { @io.seek(Object.new) }.should raise_error(TypeError)
+ end
+end
diff --git a/spec/ruby/library/stringio/stringio_spec.rb b/spec/ruby/library/stringio/stringio_spec.rb
new file mode 100644
index 0000000000..9e2cb9cf90
--- /dev/null
+++ b/spec/ruby/library/stringio/stringio_spec.rb
@@ -0,0 +1,9 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+
+describe "StringIO" do
+ it "includes the Enumerable module" do
+ StringIO.should include(Enumerable)
+ end
+end
+
diff --git a/spec/ruby/library/stringio/sync_spec.rb b/spec/ruby/library/stringio/sync_spec.rb
new file mode 100644
index 0000000000..b662d7b7cc
--- /dev/null
+++ b/spec/ruby/library/stringio/sync_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#sync" do
+ it "returns true" do
+ StringIO.new('').sync.should be_true
+ end
+end
+
+describe "StringIO#sync=" do
+ before :each do
+ @io = StringIO.new('')
+ end
+
+ it "does not change 'sync' status" do
+ @io.sync = false
+ @io.sync.should be_true
+ end
+end
diff --git a/spec/ruby/library/stringio/sysread_spec.rb b/spec/ruby/library/stringio/sysread_spec.rb
new file mode 100644
index 0000000000..cce8d8c88a
--- /dev/null
+++ b/spec/ruby/library/stringio/sysread_spec.rb
@@ -0,0 +1,48 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+require File.expand_path('../shared/read', __FILE__)
+
+describe "StringIO#sysread when passed length, buffer" do
+ it_behaves_like :stringio_read, :sysread
+end
+
+describe "StringIO#sysread when passed [length]" do
+ it_behaves_like :stringio_read_length, :sysread
+end
+
+describe "StringIO#sysread when passed no arguments" do
+ it_behaves_like :stringio_read_no_arguments, :sysread
+
+ it "returns an empty String if at EOF" do
+ @io.sysread.should == "example"
+ @io.sysread.should == ""
+ end
+end
+
+describe "StringIO#sysread when self is not readable" do
+ it_behaves_like :stringio_read_not_readable, :sysread
+end
+
+describe "StringIO#sysread when passed nil" do
+ it_behaves_like :stringio_read_nil, :sysread
+
+ it "returns an empty String if at EOF" do
+ @io.sysread(nil).should == "example"
+ @io.sysread(nil).should == ""
+ end
+end
+
+describe "StringIO#sysread when passed [length]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "raises an EOFError when self's position is at the end" do
+ @io.pos = 7
+ lambda { @io.sysread(10) }.should raise_error(EOFError)
+ end
+
+ it "returns an empty String when length is 0" do
+ @io.sysread(0).should == ""
+ end
+end
diff --git a/spec/ruby/library/stringio/syswrite_spec.rb b/spec/ruby/library/stringio/syswrite_spec.rb
new file mode 100644
index 0000000000..8b65e81a05
--- /dev/null
+++ b/spec/ruby/library/stringio/syswrite_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/write', __FILE__)
+
+describe "StringIO#syswrite when passed [Object]" do
+ it_behaves_like :stringio_write, :syswrite
+end
+
+describe "StringIO#syswrite when passed [String]" do
+ it_behaves_like :stringio_write_string, :syswrite
+end
+
+describe "StringIO#syswrite when self is not writable" do
+ it_behaves_like :stringio_write_not_writable, :syswrite
+end
+
+describe "StringIO#syswrite when in append mode" do
+ it_behaves_like :stringio_write_append, :syswrite
+end
diff --git a/spec/ruby/library/stringio/tell_spec.rb b/spec/ruby/library/stringio/tell_spec.rb
new file mode 100644
index 0000000000..af6a01497e
--- /dev/null
+++ b/spec/ruby/library/stringio/tell_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/tell', __FILE__)
+
+describe "StringIO#tell" do
+ it_behaves_like :stringio_tell, :tell
+end
diff --git a/spec/ruby/library/stringio/truncate_spec.rb b/spec/ruby/library/stringio/truncate_spec.rb
new file mode 100644
index 0000000000..1023b3d13c
--- /dev/null
+++ b/spec/ruby/library/stringio/truncate_spec.rb
@@ -0,0 +1,70 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require "stringio"
+
+describe "StringIO#truncate when passed [length]" do
+ before :each do
+ @io = StringIO.new('123456789')
+ end
+
+ # TODO: Report to Ruby-Core: The RDoc says it always returns 0
+ it "returns the passed length" do
+ @io.truncate(4).should eql(4)
+ @io.truncate(10).should eql(10)
+ end
+
+ it "truncated the underlying string down to the passed length" do
+ @io.truncate(4)
+ @io.string.should == "1234"
+ end
+
+ it "does not create a copy of the underlying string" do
+ io = StringIO.new(str = "123456789")
+ io.truncate(4)
+ io.string.should equal(str)
+ end
+
+ it "does not change the position" do
+ @io.pos = 7
+ @io.truncate(4)
+ @io.pos.should eql(7)
+ end
+
+ it "can grow a string to a larger size, padding it with \\000" do
+ @io.truncate(12)
+ @io.string.should == "123456789\000\000\000"
+ end
+
+ it "raises an Errno::EINVAL when the passed length is negative" do
+ lambda { @io.truncate(-1) }.should raise_error(Errno::EINVAL)
+ lambda { @io.truncate(-10) }.should raise_error(Errno::EINVAL)
+ end
+
+ it "tries to convert the passed length to an Integer using #to_int" do
+ obj = mock("to_int")
+ obj.should_receive(:to_int).and_return(4)
+
+ @io.truncate(obj)
+ @io.string.should == "1234"
+ end
+
+ it "returns the passed length Object, NOT the result of #to_int" do
+ obj = mock("to_int")
+ obj.should_receive(:to_int).and_return(4)
+ @io.truncate(obj).should equal(obj)
+ end
+
+ it "raises a TypeError when the passed length can't be converted to an Integer" do
+ lambda { @io.truncate(Object.new) }.should raise_error(TypeError)
+ end
+end
+
+describe "StringIO#truncate when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io.truncate(2) }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io.truncate(2) }.should raise_error(IOError)
+ end
+end
diff --git a/spec/ruby/library/stringio/tty_spec.rb b/spec/ruby/library/stringio/tty_spec.rb
new file mode 100644
index 0000000000..7540e68a2b
--- /dev/null
+++ b/spec/ruby/library/stringio/tty_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/isatty', __FILE__)
+
+describe "StringIO#tty?" do
+ it_behaves_like :stringio_isatty, :tty?
+end
diff --git a/spec/ruby/library/stringio/ungetbyte_spec.rb b/spec/ruby/library/stringio/ungetbyte_spec.rb
new file mode 100644
index 0000000000..a7d9b28024
--- /dev/null
+++ b/spec/ruby/library/stringio/ungetbyte_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+
+describe "StringIO#ungetbyte" do
+ it "needs to be reviewed for spec completeness"
+end
diff --git a/spec/ruby/library/stringio/ungetc_spec.rb b/spec/ruby/library/stringio/ungetc_spec.rb
new file mode 100644
index 0000000000..613d49cfbd
--- /dev/null
+++ b/spec/ruby/library/stringio/ungetc_spec.rb
@@ -0,0 +1,72 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#ungetc when passed [char]" do
+ before :each do
+ @io = StringIO.new('1234')
+ end
+
+ it "writes the passed char before the current position" do
+ @io.pos = 1
+ @io.ungetc(?A)
+ @io.string.should == 'A234'
+ end
+
+ it "returns nil" do
+ @io.pos = 1
+ @io.ungetc(?A).should be_nil
+ end
+
+ it "decreases the current position by one" do
+ @io.pos = 2
+ @io.ungetc(?A)
+ @io.pos.should eql(1)
+ end
+
+ it "pads with \\000 when the current position is after the end" do
+ @io.pos = 15
+ @io.ungetc(?A)
+ @io.string.should == "1234\000\000\000\000\000\000\000\000\000\000A"
+ end
+
+ it "tries to convert the passed argument to an String using #to_str" do
+ obj = mock("to_str")
+ obj.should_receive(:to_str).and_return(?A)
+
+ @io.pos = 1
+ @io.ungetc(obj)
+ @io.string.should == "A234"
+ end
+
+ it "raises a TypeError when the passed length can't be converted to an Integer or String" do
+ lambda { @io.ungetc(Object.new) }.should raise_error(TypeError)
+ end
+end
+
+describe "StringIO#ungetc when self is not readable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "w")
+ io.pos = 1
+ lambda { io.ungetc(?A) }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.pos = 1
+ io.close_read
+ lambda { io.ungetc(?A) }.should raise_error(IOError)
+ end
+end
+
+# Note: This is incorrect.
+#
+# describe "StringIO#ungetc when self is not writable" do
+# it "raises an IOError" do
+# io = StringIO.new("test", "r")
+# io.pos = 1
+# lambda { io.ungetc(?A) }.should raise_error(IOError)
+#
+# io = StringIO.new("test")
+# io.pos = 1
+# io.close_write
+# lambda { io.ungetc(?A) }.should raise_error(IOError)
+# end
+# end
diff --git a/spec/ruby/library/stringio/write_nonblock_spec.rb b/spec/ruby/library/stringio/write_nonblock_spec.rb
new file mode 100644
index 0000000000..d4d5ab5a85
--- /dev/null
+++ b/spec/ruby/library/stringio/write_nonblock_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/write', __FILE__)
+
+describe "StringIO#write_nonblock when passed [Object]" do
+ it_behaves_like :stringio_write, :write_nonblock
+end
+
+describe "StringIO#write_nonblock when passed [String]" do
+ it_behaves_like :stringio_write_string, :write_nonblock
+end
+
+describe "StringIO#write_nonblock when self is not writable" do
+ it_behaves_like :stringio_write_not_writable, :write_nonblock
+end
+
+describe "StringIO#write_nonblock when in append mode" do
+ it_behaves_like :stringio_write_append, :write_nonblock
+end
diff --git a/spec/ruby/library/stringio/write_spec.rb b/spec/ruby/library/stringio/write_spec.rb
new file mode 100644
index 0000000000..706234da7e
--- /dev/null
+++ b/spec/ruby/library/stringio/write_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/write', __FILE__)
+
+describe "StringIO#write when passed [Object]" do
+ it_behaves_like :stringio_write, :write
+end
+
+describe "StringIO#write when passed [String]" do
+ it_behaves_like :stringio_write_string, :write
+end
+
+describe "StringIO#write when self is not writable" do
+ it_behaves_like :stringio_write_not_writable, :write
+end
+
+describe "StringIO#write when in append mode" do
+ it_behaves_like :stringio_write_append, :write
+end