Method verify_valid_flag

Lib/test/test_cmd_line.py:40–46

(self, cmd_line)

        assert_python_failure('< .')

    def verify_valid_flag(self, cmd_line):
        rc, out, err = assert_python_ok(cmd_line)
        if out != b'':
            self.assertEndsWith(out, b'\n')
        self.assertNotIn(b'Traceback', out)
        self.assertNotIn(b'Traceback', err)
        return out

    @support.cpython_only
    def test_help(self):