test_tz.py 文件源码

def testGapNegativeUTCOffset(self):
        # Test that we don't have a problem around gaps.
        tzname = self._get_tzname('America/Toronto')

        with self._gettz_context(tzname):
            # Calling fromutc() alters the tzfile object
            TOR0 = self.gettz(tzname)
            TOR1 = self.gettz(tzname)

            t0_u = datetime(2011, 3, 13, 6, 30, tzinfo=tz.tzutc())
            t1_u = datetime(2011, 3, 13, 7, 30, tzinfo=tz.tzutc())

            # Using fresh tzfiles
            t0 = t0_u.astimezone(TOR0)
            t1 = t1_u.astimezone(TOR1)

            self.assertEqual(t0.replace(tzinfo=None),
                             datetime(2011, 3, 13, 1, 30))

            self.assertEqual(t1.replace(tzinfo=None),
                             datetime(2011, 3, 13, 3, 30))

            self.assertNotEqual(t0, t1)
            self.assertEqual(t0.utcoffset(), timedelta(hours=-5.0))
            self.assertEqual(t1.utcoffset(), timedelta(hours=-4.0))