Method test_noforkbomb

Lib/test/_test_multiprocessing.py:5828–5838

(self)

class TestNoForkBomb(unittest.TestCase):
    def test_noforkbomb(self):
        sm = multiprocessing.get_start_method()
        name = os.path.join(os.path.dirname(__file__), 'mp_fork_bomb.py')
        if sm != 'fork':
            rc, out, err = test.support.script_helper.assert_python_failure(name, sm)
            self.assertEqual(out, b'')
            self.assertIn(b'RuntimeError', err)
        else:
            rc, out, err = test.support.script_helper.assert_python_ok(name, sm)
            self.assertEqual(out.rstrip(), b'123')
            self.assertEqual(err, b'')

#
# Issue #17555: ForkAwareThreadLock