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* process.c (check_exec_fds): resolve cascaded child fd reference.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20511 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-12-04 10:17:34 +00:00
parent 2bb4ca64f9
commit a112ec787a
3 changed files with 50 additions and 17 deletions
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25
test/ruby/test_process.rb
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@ -417,21 +417,30 @@ class TestProcess < Test::Unit::TestCase
def test_execopts_redirect_dup2_child
with_tmpchdir {|d|
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'", STDOUT=>"out", STDERR=>[:child, STDOUT])
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDOUT=>"out", STDERR=>[:child, STDOUT])
assert_equal("errout", File.read("out"))
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'", STDERR=>"out", STDOUT=>[:child, STDERR])
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDERR=>"out", STDOUT=>[:child, STDERR])
assert_equal("errout", File.read("out"))
Process.wait spawn(RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'",
STDOUT=>"out",
STDERR=>[:child, 3],
3=>[:child, 4],
4=>[:child, STDOUT]
)
assert_equal("errout", File.read("out"))
IO.popen([RUBY, "-e", "STDERR.print 'err'; STDOUT.print 'out'", STDERR=>[:child, STDOUT]]) {|io|
assert_equal("errout", io.read)
}
assert_raise(ArgumentError) {
Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, STDOUT])
}
assert_raise(ArgumentError) {
Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, 3])
}
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, STDOUT]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, 3=>[:child, 4], 4=>[:child, 3]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, 3=>[:child, 4], 4=>[:child, 5], 5=>[:child, 3]) }
assert_raise(ArgumentError) { Process.wait spawn(*TRUECOMMAND, STDOUT=>[:child, 3]) }
}
end