Method test_allzero

numpy/lib/tests/test_function_base.py:1494–1497

(self, ndim)

    @pytest.mark.parametrize("ndim", (0, 1, 2, 3))
    def test_allzero(self, ndim):
        a = np.zeros((3,) * ndim)
        res = trim_zeros(a, axis=None)
        assert_array_equal(res, np.zeros((0,) * ndim))

    def test_trim_arg(self):
        a = np.array([0, 1, 2, 0])