public void Scale() { var res = new Ax3(new Pnt(-1, 0, 5), new Dir(1, 0, 0)); var p2 = new Ax3(new Pnt(1, 2, 3), new Dir(1, 0, 0)); Assert.AreEqual(res, p2.Scaled(new Pnt(2, 3, 2), 3)); p2.Scale(new Pnt(2, 3, 2), 3); Assert.AreEqual(res, p2); }