Method test_fromutc

Lib/test/datetimetester.py:352–362

(self)

        with self.assertRaises(TypeError): self.EST.tzname(5)

    def test_fromutc(self):
        with self.assertRaises(ValueError):
            timezone.utc.fromutc(self.DT)
        with self.assertRaises(TypeError):
            timezone.utc.fromutc('not datetime')
        for tz in [self.EST, self.ACDT, Eastern]:
            utctime = self.DT.replace(tzinfo=tz)
            local = tz.fromutc(utctime)
            self.assertEqual(local - utctime, tz.utcoffset(local))
            self.assertEqual(local,
                             self.DT.replace(tzinfo=timezone.utc))

    def test_comparison(self):
        self.assertNotEqual(timezone(ZERO), timezone(HOUR))