test_tz.py 文件源码

def testFileLastTransition(self):
        # After the last transition, it goes to standard time in perpetuity
        tzc = tz.tzfile(BytesIO(base64.b64decode(TZFILE_EST5EDT)))
        self.assertEqual(datetime(2037, 10, 25, 0, 59, tzinfo=tzc).tzname(),
                         "EDT")

        last_date = tz.enfold(datetime(2037, 10, 25, 1, 00, tzinfo=tzc), fold=1)
        self.assertEqual(last_date.tzname(),
                         "EST")

        self.assertEqual(datetime(2038, 5, 25, 12, 0, tzinfo=tzc).tzname(),
                         "EST")