test_resample.py 文件源码

def test_upsample_with_limit(self):
        rng = period_range('1/1/2000', periods=5, freq='A')
        ts = Series(np.random.randn(len(rng)), rng)

        result = ts.resample('M', convention='end').ffill(limit=2)
        expected = ts.asfreq('M').reindex(result.index, method='ffill',
                                          limit=2)
        assert_series_equal(result, expected)