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test_process.rb: fix test

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* test/ruby/test_process.rb (assert_fail_too_long_path): get rid of
  syntax error on sh, increase command line size until it exceeds the
  limit.  [Bug #7904]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39417 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-02-23 03:34:04 +00:00
parent 933ff1d6d7
commit 827e71bda5
1 changed files with 16 additions and 6 deletions
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22
test/ruby/test_process.rb
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@ -1380,24 +1380,34 @@ class TestProcess < Test::Unit::TestCase
def test_spawn_too_long_path
bug4314 = '[ruby-core:34842]'
assert_fail_too_long_path("a", bug4314)
assert_fail_too_long_path(%w"echo", bug4314)
end
def test_aspawn_too_long_path
bug4315 = '[ruby-core:34833]'
assert_fail_too_long_path("a|", bug4315)
assert_fail_too_long_path(%w"echo |", bug4315)
end
def assert_fail_too_long_path(cmd, mesg)
size = 1_000_000 / cmd.size
def assert_fail_too_long_path((cmd, sep), mesg)
sep ||= ""
min = 1_000 / (cmd.size + sep.size)
cmds = Array.new(min, cmd)
exs = [Errno::ENOENT]
exs << Errno::E2BIG if defined?(Errno::E2BIG)
EnvUtil.suppress_warning do
assert_raise(*exs, mesg) do
begin
Process.spawn(cmd * size)
loop do
Process.spawn(cmds.join(sep), [STDOUT, STDERR]=>:close)
min = [cmds.size, min].max
cmds *= 100
end
rescue NoMemoryError
raise if (size /= 2) < 250
size = cmds.size
raise if min >= size - 1
min = [min, size /= 2].max
cmds[size..-1] = []
raise if size < 250
retry
end
end