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add a test.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26702 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2010-02-17 16:27:02 +00:00
parent 457c2c4a55
commit 6dda216da1
1 changed files with 13 additions and 0 deletions
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13
test/ruby/test_io.rb
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@ -1312,6 +1312,19 @@ class TestIO < Test::Unit::TestCase
end
end
def test_reopen_inherit
mkcdtmpdir {
system(EnvUtil.rubybin, '-e', <<"End")
f = open("out", "w")
STDOUT.reopen(f)
STDERR.reopen(f)
system(#{EnvUtil.rubybin.dump}, '-e', 'STDOUT.print "out"')
system(#{EnvUtil.rubybin.dump}, '-e', 'STDERR.print "err"')
End
assert_equal("outerr", File.read("out"))
}
end
def test_foreach
a = []
IO.foreach("|" + EnvUtil.rubybin + " -e 'puts :foo; puts :bar; puts :baz'") {|x| a << x }