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require 'test/unit'
class TestProcess < Test::Unit::TestCase
def test_rlimit_availability
begin
Process.getrlimit(nil)
rescue NotImplementedError
assert_raise(NotImplementedError) { Process.setrlimit }
rescue TypeError
assert_raise(ArgumentError) { Process.setrlimit }
end
end
def rlimit_exist?
Process.getrlimit(nil)
rescue NotImplementedError
return false
rescue TypeError
return true
end
def test_rlimit_nofile
return unless rlimit_exist?
pid = fork {
cur_nofile, max_nofile = Process.getrlimit(Process::RLIMIT_NOFILE)
begin
Process.setrlimit(Process::RLIMIT_NOFILE, 0, max_nofile)
rescue Errno::EINVAL
exit 0
end
begin
IO.pipe
rescue Errno::EMFILE
exit 0
end
exit 1
}
Process.wait pid
assert_equal(0, $?.to_i)
end
end
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