/**
* Confirm that cloning works.
*/
public void testCloning() {
XYItemEntity e1 = new XYItemEntity(new Rectangle2D.Double(1.0, 2.0,
3.0, 4.0), new TimeSeriesCollection(), 1, 9, "ToolTip", "URL");
XYItemEntity e2 = null;
try {
e2 = (XYItemEntity) e1.clone();
}