/**
* Confirm that cloning works.
*/
public void testCloning() {
CombinedRangeXYPlot plot1 = createPlot();
CombinedRangeXYPlot plot2 = null;
try {
plot2 = (CombinedRangeXYPlot) plot1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(plot1 != plot2);
assertTrue(plot1.getClass() == plot2.getClass());
assertTrue(plot1.equals(plot2));
}