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24 lines
487 B
Ruby
24 lines
487 B
Ruby
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# frozen_string_literal: true
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require 'test/unit'
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require '-test-/thread_fd_close'
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require 'io/wait'
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class TestThreadFdClose < Test::Unit::TestCase
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def test_thread_fd_close
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IO.pipe do |r, w|
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th = Thread.new do
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begin
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r.read(4)
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ensure
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w.syswrite('done')
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end
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end
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Thread.pass until th.stop?
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IO.thread_fd_close(r.fileno)
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assert_equal 'done', r.read(4)
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assert_raise(IOError) { th.join }
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end
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end
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end
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