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f761aacdd8
[ruby-dev:33072] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
64 lines
1.3 KiB
Ruby
64 lines
1.3 KiB
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"
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r, w = IO.pipe('ascii-8bit')
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w.print "\377xyz"
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w.close
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r.binmode
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assert_equal("\377", r.gets("\377"), "[ruby-dev:24460]")
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r.close
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# ""
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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(""), "[ruby-core:03771]"
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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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# This test cause SEGV.
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def test_ungetc
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r, w = IO.pipe
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w.close
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assert_raise(IOError, "[ruby-dev:31650]") { 20000.times { r.ungetc "a" } }
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ensure
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r.close
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end
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def test_each_byte
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r, w = IO.pipe
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w << "abc def"
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w.close
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r.each_byte {|byte| break if byte == 32 }
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assert_equal("def", r.read, "[ruby-dev:31659]")
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ensure
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r.close
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end
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def test_rubydev33072
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assert_raise(Errno::ENOENT, "[ruby-dev:33072]") do
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File.read("empty", nil, nil, {})
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end
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end
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end
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