def test_colouredtrimesh_copy():
points = np.ones([10, 3])
colours = np.ones([10, 3])
trilist = np.ones([10, 3])
landmarks = PointCloud(np.ones([3, 3]), copy=False)
ctmesh = ColouredTriMesh(points, trilist=trilist, colours=colours,
copy=False)
ctmesh.landmarks['test'] = landmarks
ctmesh_copy = ctmesh.copy()
assert (not is_same_array(ctmesh_copy.points, ctmesh.points))
assert (not is_same_array(ctmesh_copy.trilist, ctmesh.trilist))
assert (not is_same_array(ctmesh_copy.colours, ctmesh.colours))
assert (not is_same_array(ctmesh_copy.landmarks['test'].lms.points,
ctmesh.landmarks['test'].lms.points))
