Method test_all_zero

numpy/lib/tests/test_function_base.py:1451–1459

(self)

            assert_array_equal(res, arr[slc])

    def test_all_zero(self):
        for _arr in self.values():
            arr = np.zeros_like(_arr, dtype=_arr.dtype)

            res1 = trim_zeros(arr, trim='B')
            assert len(res1) == 0

            res2 = trim_zeros(arr, trim='f')
            assert len(res2) == 0

    def test_size_zero(self):
        arr = np.zeros(0)