test_datetime.py 文件源码

def test_datetime_y2038(self):
        # Test parsing on either side of the Y2038 boundary
        a = np.datetime64('2038-01-19T03:14:07')
        assert_equal(a.view(np.int64), 2**31 - 1)
        a = np.datetime64('2038-01-19T03:14:08')
        assert_equal(a.view(np.int64), 2**31)

        # Test parsing on either side of the Y2038 boundary with
        # a manually specified timezone offset
        with assert_warns(DeprecationWarning):
            a = np.datetime64('2038-01-19T04:14:07+0100')
            assert_equal(a.view(np.int64), 2**31 - 1)
        with assert_warns(DeprecationWarning):
            a = np.datetime64('2038-01-19T04:14:08+0100')
            assert_equal(a.view(np.int64), 2**31)

        # Test parsing a date after Y2038
        a = np.datetime64('2038-01-20T13:21:14')
        assert_equal(str(a), '2038-01-20T13:21:14')