/**
* Confirm that cloning works.
*/
public void testCloning() {
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits();
TickUnits t2 = null;
try {
t2 = (TickUnits) t1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(t1 != t2);
assertTrue(t1.getClass() == t2.getClass());
assertTrue(t1.equals(t2));
}