Method test_flags

Lib/test/_test_multiprocessing.py:5776–5786

(self)

        print(json.dumps(flags))

    def test_flags(self):
        import json
        # start child process using unusual flags
        prog = (
            'from test._test_multiprocessing import TestFlags; '
            f'TestFlags.run_in_child({multiprocessing.get_start_method()!r})'
        )
        data = subprocess.check_output(
            [sys.executable, '-E', '-S', '-O', '-c', prog])
        child_flags, grandchild_flags = json.loads(data.decode('ascii'))
        self.assertEqual(child_flags, grandchild_flags)

#
# Test interaction with socket timeouts - see Issue #6056