/** Confirm that cloning works. */ public void testCloning() { // try a default instance StandardDialScale s1 = new StandardDialScale(); StandardDialScale s2 = null; try { s2 = (StandardDialScale) s1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2)); // try a customised instance s1 = new StandardDialScale(); s1.setExtent(123.4); s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.white)); s1.setMajorTickStroke(new BasicStroke(2.0f)); s2 = null; try { s2 = (StandardDialScale) s1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2)); // check that the listener lists are independent MyDialLayerChangeListener l1 = new MyDialLayerChangeListener(); s1.addChangeListener(l1); assertTrue(s1.hasListener(l1)); assertFalse(s2.hasListener(l1)); }