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* io.c (io_fwrite): preserve errno. [ruby-core:27425] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@27913 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
32 lines
566 B
Ruby
32 lines
566 B
Ruby
require 'test/unit'
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$:.replace([File.dirname(File.expand_path(__FILE__))] | $:)
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require 'ut_eof'
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require 'envutil'
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class TestPipe < Test::Unit::TestCase
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include TestEOF
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def open_file(content)
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r, w = IO.pipe
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w << content
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w.close
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begin
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yield r
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ensure
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r.close
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end
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end
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def test_write
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bug2559 = '[ruby-core:27425]'
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a, b = IO.pipe
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begin
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a.close
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assert_raises(Errno::EPIPE, bug2559) do
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b.write("hi")
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end
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ensure
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a.close if !a.closed?
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b.close if !b.closed?
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end
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end
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end
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