Method test_strptime_leap_year

Lib/test/datetimetester.py:1205–1212

(self)

    @warnings_helper.ignore_warnings(category=DeprecationWarning)
    def test_strptime_leap_year(self):
        # GH-70647: warns if parsing a format with a day and no year.
        with self.assertRaises(ValueError):
            # The existing behavior that GH-70647 seeks to change.
            date.strptime('02-29', '%m-%d')
        with self._assertNotWarns(DeprecationWarning):
            date.strptime('20-03-14', '%y-%m-%d')
            date.strptime('02-29,2024', '%m-%d,%Y')

class SubclassDate(date):
    sub_var = 1