Method test_check_datetime

Lib/test/datetimetester.py:6964–6988

(self)

                    self.assertFalse(is_time(arg, exact))

    def test_check_datetime(self):
        class DateTimeSubclass(datetime):
            pass

        dt = datetime(2011, 1, 1, 12, 30)
        dts = DateTimeSubclass(2011, 1, 1, 12, 30)

        is_datetime = _testcapi.datetime_check_datetime

        # Check the ones that should be valid
        self.assertTrue(is_datetime(dt))
        self.assertTrue(is_datetime(dts))
        self.assertTrue(is_datetime(dt, True))

        # Check that the subclass does not match exactly
        self.assertFalse(is_datetime(dts, True))

        # Check that various other things are not datetimes
        args = [tuple(), list(), 1, '2011-01-01',
                timedelta(1), timezone.utc, date(2011, 1, 1)]

        for arg in args:
            for exact in (True, False):
                with self.subTest(arg=arg, exact=exact):
                    self.assertFalse(is_datetime(arg, exact))

    def test_check_delta(self):
        class TimeDeltaSubclass(timedelta):