()
| 138 | |
| 139 | |
| 140 | def test_frame_loc() -> None: |
| 141 | # https://github.com/pandas-dev/pandas/pull/63439 |
| 142 | df = pd.DataFrame({"a": [1, 2], "b": [3, 4]}) |
| 143 | expr = pd.col("a") == 2 |
| 144 | result = df.copy() |
| 145 | result.loc[expr, "b"] = 100 |
| 146 | expected = pd.DataFrame({"a": [1, 2], "b": [3, 100]}) |
| 147 | tm.assert_frame_equal(result, expected) |
| 148 | |
| 149 | |
| 150 | def test_frame_iloc() -> None: |