Function test_empty_mean_raises

tests/python/test_data_model.py:9–13

mean() on empty buffer raises ValueError.

()

def test_empty_mean_raises() -> None:
    """mean() on empty buffer raises ValueError."""
    buf = rt.asarray(np.array([], dtype=np.float64))
    with pytest.raises(ValueError, match="empty"):
        rt.go(kernel.mean(buf)).result()


def test_single_element_reduce() -> None: