| Neal Norwitz | 05a4559 | 2006-03-20 06:30:08 +0000 | [diff] [blame^] | 1 | """This test checks for correct wait4() behavior. |
| 2 | """ |
| 3 | |
| 4 | import os |
| 5 | from test.fork_wait import ForkWait |
| 6 | from test.test_support import TestSkipped, run_unittest |
| 7 | |
| 8 | try: |
| 9 | os.fork |
| 10 | except AttributeError: |
| 11 | raise TestSkipped, "os.fork not defined -- skipping test_wait4" |
| 12 | |
| 13 | try: |
| 14 | os.wait4 |
| 15 | except AttributeError: |
| 16 | raise TestSkipped, "os.wait4 not defined -- skipping test_wait4" |
| 17 | |
| 18 | class Wait4Test(ForkWait): |
| 19 | def wait_impl(self, cpid): |
| 20 | spid, status, rusage = os.wait4(cpid, 0) |
| 21 | self.assertEqual(spid, cpid) |
| 22 | self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8)) |
| 23 | self.assertTrue(rusage) |
| 24 | |
| 25 | def test_main(): |
| 26 | run_unittest(Wait4Test) |
| 27 | |
| 28 | if __name__ == "__main__": |
| 29 | test_main() |