test_datetime.py 文件源码

def test_datetime_compare(self):
        # Test all the comparison operators
        a = np.datetime64('2000-03-12T18:00:00.000000')
        b = np.array(['2000-03-12T18:00:00.000000',
                      '2000-03-12T17:59:59.999999',
                      '2000-03-12T18:00:00.000001',
                      '1970-01-11T12:00:00.909090',
                      '2016-01-11T12:00:00.909090'],
                      dtype='datetime64[us]')
        assert_equal(np.equal(a, b), [1, 0, 0, 0, 0])
        assert_equal(np.not_equal(a, b), [0, 1, 1, 1, 1])
        assert_equal(np.less(a, b), [0, 0, 1, 0, 1])
        assert_equal(np.less_equal(a, b), [1, 0, 1, 0, 1])
        assert_equal(np.greater(a, b), [0, 1, 0, 1, 0])
        assert_equal(np.greater_equal(a, b), [1, 1, 0, 1, 0])