/** Confirm that cloning works. */
public void testCloning() {
XYDotRenderer r1 = new XYDotRenderer();
XYDotRenderer r2 = null;
try {
r2 = (XYDotRenderer) r1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}
