def test_view_failed_delitem(attr):
    adata = gen_adata((10, 10))
    view = adata[5:7, :][:, :5]
    adata_hash = joblib.hash(adata)
    view_hash = joblib.hash(view)

    with pytest.raises(KeyError):
        getattr(view, attr).__delitem__("not a key")

    assert view.is_view
    assert adata_hash == joblib.hash(adata)
    assert view_hash == joblib.hash(view)
def test_above_or_equal_to():
    """Greater than or equal to y."""
    p = are.above_or_equal_to(4)
    ps = [p(x) for x in range(1, 6)]
    assert ps == [False, False, False, True, True]