(self)
| 25 | tm.assert_series_equal(result, ~expected) |
| 26 | |
| 27 | def test_isna(self): |
| 28 | ser = Series([0, 5.4, 3, np.nan, -0.001]) |
| 29 | expected = Series([False, False, False, True, False]) |
| 30 | tm.assert_series_equal(ser.isna(), expected) |
| 31 | tm.assert_series_equal(ser.notna(), ~expected) |
| 32 | |
| 33 | ser = Series(["hi", "", np.nan]) |
| 34 | expected = Series([False, False, True]) |
| 35 | tm.assert_series_equal(ser.isna(), expected) |
| 36 | tm.assert_series_equal(ser.notna(), ~expected) |