/** Confirm that cloning works. */
public void testCloning() {
// test default instance
DialBackground b1 = new DialBackground();
DialBackground b2 = null;
try {
b2 = (DialBackground) b1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(b1 != b2);
assertTrue(b1.getClass() == b2.getClass());
assertTrue(b1.equals(b2));
// test a customised instance
b1 = new DialBackground();
b1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.green));
b1.setGradientPaintTransformer(
new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL));
b2 = null;
try {
b2 = (DialBackground) b1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(b1 != b2);
assertTrue(b1.getClass() == b2.getClass());
assertTrue(b1.equals(b2));
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
b1.addChangeListener(l1);
assertTrue(b1.hasListener(l1));
assertFalse(b2.hasListener(l1));
}
