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- import pandas as pd
- import pandas._testing as tm
- class TestUnaryOps:
- def test_invert(self):
- a = pd.array([True, False, None], dtype="boolean")
- expected = pd.array([False, True, None], dtype="boolean")
- tm.assert_extension_array_equal(~a, expected)
- expected = pd.Series(expected, index=["a", "b", "c"], name="name")
- result = ~pd.Series(a, index=["a", "b", "c"], name="name")
- tm.assert_series_equal(result, expected)
- df = pd.DataFrame({"A": a, "B": [True, False, False]}, index=["a", "b", "c"])
- result = ~df
- expected = pd.DataFrame(
- {"A": expected, "B": [False, True, True]}, index=["a", "b", "c"]
- )
- tm.assert_frame_equal(result, expected)
- def test_abs(self):
- # matching numpy behavior, abs is the identity function
- arr = pd.array([True, False, None], dtype="boolean")
- result = abs(arr)
- tm.assert_extension_array_equal(result, arr)
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