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-rw-r--r--spec/ruby/core/io/shared/write.rb75
1 files changed, 60 insertions, 15 deletions
diff --git a/spec/ruby/core/io/shared/write.rb b/spec/ruby/core/io/shared/write.rb
index 5e53d981c5..964064746a 100644
--- a/spec/ruby/core/io/shared/write.rb
+++ b/spec/ruby/core/io/shared/write.rb
@@ -69,16 +69,6 @@ describe :io_write, shared: true do
-> { IOSpecs.closed_io.send(@method, "hello") }.should raise_error(IOError)
end
- it "does not modify the passed argument" do
- File.open(@filename, "w") do |f|
- f.set_encoding(Encoding::IBM437)
- # A character whose codepoint differs between UTF-8 and IBM437
- f.write "ƒ".freeze
- end
-
- File.binread(@filename).bytes.should == [159]
- end
-
describe "on a pipe" do
before :each do
@r, @w = IO.pipe
@@ -95,11 +85,11 @@ describe :io_write, shared: true do
@r.read.should == "foo"
end
- # [ruby-core:90895] MJIT worker may leave fd open in a forked child.
- # For instance, MJIT creates a worker before @r.close with fork(), @r.close happens,
- # and the MJIT worker keeps the pipe open until the worker execve().
- # TODO: consider acquiring GVL from MJIT worker.
- guard_not -> { defined?(RubyVM::JIT) && RubyVM::JIT.enabled? } do
+ # [ruby-core:90895] RJIT worker may leave fd open in a forked child.
+ # For instance, RJIT creates a worker before @r.close with fork(), @r.close happens,
+ # and the RJIT worker keeps the pipe open until the worker execve().
+ # TODO: consider acquiring GVL from RJIT worker.
+ guard_not -> { defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled? } do
it "raises Errno::EPIPE if the read end is closed and does not die from SIGPIPE" do
@r.close
-> { @w.send(@method, "foo") }.should raise_error(Errno::EPIPE, /Broken pipe/)
@@ -107,3 +97,58 @@ describe :io_write, shared: true do
end
end
end
+
+describe :io_write_transcode, shared: true do
+ before :each do
+ @transcode_filename = tmp("io_write_transcode")
+ end
+
+ after :each do
+ rm_r @transcode_filename
+ end
+
+ it "transcodes the given string when the external encoding is set and neither is BINARY" do
+ utf8_str = "hello"
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ file.send(@method, utf8_str)
+ end
+
+ result = File.binread(@transcode_filename)
+ expected = [0, 104, 0, 101, 0, 108, 0, 108, 0, 111] # UTF-16BE bytes for "hello"
+
+ result.bytes.should == expected
+ end
+
+ it "transcodes the given string when the external encoding is set and the string encoding is BINARY" do
+ str = "été".b
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ -> { file.send(@method, str) }.should raise_error(Encoding::UndefinedConversionError)
+ end
+ end
+end
+
+describe :io_write_no_transcode, shared: true do
+ before :each do
+ @transcode_filename = tmp("io_write_no_transcode")
+ end
+
+ after :each do
+ rm_r @transcode_filename
+ end
+
+ it "does not transcode the given string even when the external encoding is set" do
+ utf8_str = "hello"
+
+ File.open(@transcode_filename, "w", external_encoding: Encoding::UTF_16BE) do |file|
+ file.external_encoding.should == Encoding::UTF_16BE
+ file.send(@method, utf8_str)
+ end
+
+ result = File.binread(@transcode_filename)
+ result.bytes.should == utf8_str.bytes
+ end
+end