test_timeseries.py 文件源码

def test_partial_slice(self):
        rng = DatetimeIndex(freq='D', start=datetime(2005, 1, 1), periods=500)
        s = Series(np.arange(len(rng)), index=rng)

        result = s['2005-05':'2006-02']
        expected = s['20050501':'20060228']
        assert_series_equal(result, expected)

        result = s['2005-05':]
        expected = s['20050501':]
        assert_series_equal(result, expected)

        result = s[:'2006-02']
        expected = s[:'20060228']
        assert_series_equal(result, expected)

        result = s['2005-1-1']
        self.assertEqual(result, s.iloc[0])

        self.assertRaises(Exception, s.__getitem__, '2004-12-31')