test_timeseries.py 文件源码

def test_timestamp_compare_scalars(self):
        # case where ndim == 0
        lhs = np.datetime64(datetime(2013, 12, 6))
        rhs = Timestamp('now')
        nat = Timestamp('nat')

        ops = {'gt': 'lt',
               'lt': 'gt',
               'ge': 'le',
               'le': 'ge',
               'eq': 'eq',
               'ne': 'ne'}

        for left, right in ops.items():
            left_f = getattr(operator, left)
            right_f = getattr(operator, right)
            expected = left_f(lhs, rhs)

            result = right_f(rhs, lhs)
            self.assertEqual(result, expected)

            expected = left_f(rhs, nat)
            result = right_f(nat, rhs)
            self.assertEqual(result, expected)