Method check_usage

Lib/test/test_argparse.py:7208–7211

(self, expected, *args, **kwargs)

        return zip_name

    def check_usage(self, expected, *args, **kwargs):
        res = script_helper.assert_python_ok('-Xutf8', *args, '-h', **kwargs)
        self.assertEqual(os.fsdecode(res.out.splitlines()[0]),
                         f'usage: {expected} [-h]')

    def test_script(self, compiled=False):
        basename = os_helper.TESTFN