Method test_indentation_semantics_retained

Lib/test/test_tokenize.py:2199–2207

Ensure that although whitespace might be mutated in a roundtrip, the semantic meaning of the indentation remains consistent.

(self)

        return tokenize.untokenize(tokenize.tokenize(BytesIO(code).readline)).decode('utf-8')

    def test_indentation_semantics_retained(self):
        """
        Ensure that although whitespace might be mutated in a roundtrip,
        the semantic meaning of the indentation remains consistent.
        """
        code = "if False:\n\tx=3\n\tx=3\n"
        codelines = self.roundtrip(code).split('\n')
        self.assertEqual(codelines[1], codelines[2])
        self.check_roundtrip(code)


class InvalidPythonTests(TestCase):