Ruby

if ((fmode & FMODE_BINMODE) && v1 == Qnil) {

rb_io_ascii8bit_binmode(r);

rb_io_ascii8bit_binmode(w);

}

def test_binmode_pipe

EnvUtil.with_default_internal(Encoding::UTF_8) do

EnvUtil.with_default_external(Encoding::UTF_8) do

reader, writer = IO.pipe

reader.binmode

writer.binmode

reader1, writer1 = IO.pipe

reader2, writer2 = IO.pipe(binmode: true)

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

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

reader3, writer3 = IO.pipe("UTF-8:UTF-8", binmode: true)

assert writer3.binmode?

assert_equal writer1.external_encoding, writer3.external_encoding

assert_equal writer1.internal_encoding, writer3.internal_encoding

assert reader3.binmode?

assert_equal reader1.external_encoding, reader3.external_encoding

assert_equal reader1.internal_encoding, reader3.internal_encoding

reader4, writer4 = IO.pipe("UTF-8:UTF-8", binmode: true)

assert writer4.binmode?

assert_equal writer1.external_encoding, writer4.external_encoding

assert_equal writer1.internal_encoding, writer4.internal_encoding

assert reader4.binmode?

assert_equal reader1.external_encoding, reader4.external_encoding

assert_equal reader1.internal_encoding, reader4.internal_encoding

reader5, writer5 = IO.pipe("UTF-8", "UTF-8", binmode: true)

assert writer5.binmode?

assert_equal writer1.external_encoding, writer5.external_encoding

assert_equal writer1.internal_encoding, writer5.internal_encoding

assert reader5.binmode?

assert_equal reader1.external_encoding, reader5.external_encoding

assert_equal reader1.internal_encoding, reader5.internal_encoding

end

end

end