Method test_misformed_unicode_character_name

Lib/test/test_fstring.py:1005–1022

(self)

        self.assertEqual(f'\\\N{AMPERSAND}', '\\&')

    def test_misformed_unicode_character_name(self):
        # These test are needed because unicode names are parsed
        # differently inside f-strings.
        self.assertAllRaise(SyntaxError, r"\(unicode error\) 'unicodeescape' codec can't decode bytes in position .*: malformed \\N character escape",
                            [r"f'\N'",
                             r"f'\N '",
                             r"f'\N  '",  # See bpo-46503.
                             r"f'\N{'",
                             r"f'\N{GREEK CAPITAL LETTER DELTA'",

                             # Here are the non-f-string versions,
                             #  which should give the same errors.
                             r"'\N'",
                             r"'\N '",
                             r"'\N  '",
                             r"'\N{'",
                             r"'\N{GREEK CAPITAL LETTER DELTA'",
                             ])

    def test_backslashes_in_expression_part(self):
        self.assertEqual(f"{(