def test_properties(boxes: List[Box], max_children: int) -> None:
result = Tree(boxes, max_children=max_children)
assert is_r_tree_valid(result)
assert is_r_tree_balanced(result)
assert to_r_tree_height(result) >= to_balanced_tree_height(
len(boxes), max_children)
def test_basic(boxes: List[Box], max_children: int) -> None:
result = Tree(boxes, max_children=max_children)
assert result.boxes == boxes
assert result.max_children == max_children