Method test_with_two_commas_in_format_specifier

Lib/test/test_fstring.py:1699–1702

(self)

            compile("f'{a $ b}'", "?", "exec")

    def test_with_two_commas_in_format_specifier(self):
        error_msg = re.escape("Cannot specify ',' with ','.")
        with self.assertRaisesRegex(ValueError, error_msg):
            f'{1:,,}'

    def test_with_two_underscore_in_format_specifier(self):
        error_msg = re.escape("Cannot specify '_' with '_'.")