def test_split_arrs_empty():
split = _split_arrs(np.empty(0), [])
assert np.all(split == np.empty(0, dtype=np.object))
def test_split_arrs():
to_split = np.ones(10)
split = _split_arrs(to_split, [3])
assert len(split) == 2
assert np.all(split[0] == np.ones(3))
assert np.all(split[1] == np.ones(7))
