(self)
| 852 | |
| 853 | class TestFillnaPad: |
| 854 | def test_fillna_bug(self): |
| 855 | ser = Series([np.nan, 1.0, np.nan, 3.0, np.nan], ["z", "a", "b", "c", "d"]) |
| 856 | filled = ser.ffill() |
| 857 | expected = Series([np.nan, 1.0, 1.0, 3.0, 3.0], ser.index) |
| 858 | tm.assert_series_equal(filled, expected) |
| 859 | |
| 860 | filled = ser.bfill() |
| 861 | expected = Series([1.0, 1.0, 3.0, 3.0, np.nan], ser.index) |
| 862 | tm.assert_series_equal(filled, expected) |
| 863 | |
| 864 | def test_ffill_mixed_dtypes_without_missing_data(self): |
| 865 | # GH#14956 |