def test_sub_paths_from_single_path_object(self):
path = Path(start=(1, 2, 3))
paths = list(path.sub_paths())
assert len(paths) == 1
s0 = paths[0]
assert s0.start == (1, 2, 3)
assert s0.end == (1, 2, 3)
assert s0.has_sub_paths is False
assert len(s0) == 0
def test_sub_paths_inherit_parent_user_data():
path = Path()
path.user_data = "data"
path.line_to((1, 2, 3))
path.move_to((7, 8, 9))
path.line_to((7, 8, 9))
assert path.has_sub_paths is True
for p in path.sub_paths():
assert p.user_data == "data"
