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72a6f92f4e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
38 lines
760 B
Ruby
38 lines
760 B
Ruby
require 'test/unit'
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class TestIO < Test::Unit::TestCase
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def test_gets_rs
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# default_rs
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r, w = IO.pipe
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w.print "aaa\nbbb\n"
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w.close
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assert_equal "aaa\n", r.gets
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assert_equal "bbb\n", r.gets
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assert_nil r.gets
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r.close
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# nil
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r, w = IO.pipe
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w.print "a\n\nb\n\n"
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w.close
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assert_equal "a\n\nb\n\n", r.gets(nil)
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assert_nil r.gets("")
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r.close
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# "\377" [ruby-dev:24460]
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r, w = IO.pipe
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w.print "\377xyz"
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w.close
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assert_equal("\377", r.gets("\377"), "[ruby-dev:24460]")
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r.close
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# "" [ruby-core:03771]
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r, w = IO.pipe
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w.print "a\n\nb\n\n"
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w.close
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assert_equal "a\n\n", r.gets("")
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assert_equal "b\n\n", r.gets("")
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assert_nil r.gets("")
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r.close
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end
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end
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