/** Confirm that cloning works. */
public void testCloning() {
StandardDialRange r1 = new StandardDialRange();
StandardDialRange r2 = null;
try {
r2 = (StandardDialRange) r1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
r1.addChangeListener(l1);
assertTrue(r1.hasListener(l1));
assertFalse(r2.hasListener(l1));
}
