/** Confirm that cloning works. */ public void testCloning() { XYDotRenderer r1 = new XYDotRenderer(); XYDotRenderer r2 = null; try { r2 = (XYDotRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); }