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Do not change IO.pipe encodings if encodings explicitly given

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This commit makes it so that if the binmode option is given with
any encoding arguments, the reader and writer IO objects are
not set to binary encoding.

Fixes [Bug #12989]
This commit is contained in:
Jeremy Evans 2019-07-25 13:47:08 -07:00
parent d8562ab2a4
commit ebc99e026d
2 changed files with 40 additions and 24 deletions
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2
io.c
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@ -10313,7 +10313,7 @@ rb_io_s_pipe(int argc, VALUE *argv, VALUE klass)
extract_binmode(opt, &fmode);
if (fmode & FMODE_BINMODE) {
if ((fmode & FMODE_BINMODE) && v1 == Qnil) {
rb_io_ascii8bit_binmode(r);
rb_io_ascii8bit_binmode(w);
}

62
test/ruby/test_io.rb
View file

@ -113,35 +113,51 @@ class TestIO < Test::Unit::TestCase
].each{|thr| thr.join}
end
def test_binmode_writer
def test_binmode_pipe
EnvUtil.with_default_internal(Encoding::UTF_8) do
reader, writer = IO.pipe
reader.binmode
writer.binmode
EnvUtil.with_default_external(Encoding::UTF_8) do
reader, writer = IO.pipe
reader.binmode
writer.binmode
reader2, writer2 = IO.pipe(binmode: true)
reader1, writer1 = IO.pipe
assert writer.binmode?
assert writer2.binmode?
assert_equal writer.binmode?, writer2.binmode?
assert_equal writer.external_encoding, writer2.external_encoding
assert_equal writer.internal_encoding, writer2.internal_encoding
end
end
reader2, writer2 = IO.pipe(binmode: true)
assert_predicate writer, :binmode?
assert_predicate writer2, :binmode?
assert_equal writer.binmode?, writer2.binmode?
assert_equal writer.external_encoding, writer2.external_encoding
assert_equal writer.internal_encoding, writer2.internal_encoding
assert_predicate reader, :binmode?
assert_predicate reader2, :binmode?
assert_equal reader.binmode?, reader2.binmode?
assert_equal reader.external_encoding, reader2.external_encoding
assert_equal reader.internal_encoding, reader2.internal_encoding
def test_binmode_reader
EnvUtil.with_default_internal(Encoding::UTF_8) do
reader, writer = IO.pipe
reader.binmode
writer.binmode
reader3, writer3 = IO.pipe("UTF-8:UTF-8", binmode: true)
assert_predicate writer3, :binmode?
assert_equal writer1.external_encoding, writer3.external_encoding
assert_equal writer1.internal_encoding, writer3.internal_encoding
assert_predicate reader3, :binmode?
assert_equal reader1.external_encoding, reader3.external_encoding
assert_equal reader1.internal_encoding, reader3.internal_encoding
reader2, writer2 = IO.pipe(binmode: true)
reader4, writer4 = IO.pipe("UTF-8:UTF-8", binmode: true)
assert_predicate writer4, :binmode?
assert_equal writer1.external_encoding, writer4.external_encoding
assert_equal writer1.internal_encoding, writer4.internal_encoding
assert_predicate reader4, :binmode?
assert_equal reader1.external_encoding, reader4.external_encoding
assert_equal reader1.internal_encoding, reader4.internal_encoding
assert reader.binmode?
assert reader2.binmode?
assert_equal reader.binmode?, reader2.binmode?
assert_equal reader.external_encoding, reader2.external_encoding
assert_equal reader.internal_encoding, reader2.internal_encoding
reader5, writer5 = IO.pipe("UTF-8", "UTF-8", binmode: true)
assert_predicate writer5, :binmode?
assert_equal writer1.external_encoding, writer5.external_encoding
assert_equal writer1.internal_encoding, writer5.internal_encoding
assert_predicate reader5, :binmode?
assert_equal reader1.external_encoding, reader5.external_encoding
assert_equal reader1.internal_encoding, reader5.internal_encoding
end
end
end