public void OSCADObject_ClonesContainChildren() { var text = new Text3D("Hi").Rotate(90, 0, 0); var clone = text.Clone(); //Clone has a child, and it should be the same thing Assert.IsTrue(clone.Children().Count() == 1); Assert.IsTrue(clone.Children().FirstOrDefault().GetType() == text.Children().FirstOrDefault().GetType()); //But the child should be a different instance Assert.IsFalse(clone.Children().FirstOrDefault() == text.Children().FirstOrDefault()); }