*/
public void test(TestHarness harness)
{
try
{
UIManager.setLookAndFeel(new MetalLookAndFeel());
// here I'm checking that the same object is returned from subsequent
// calls - because it seems obvious that the UIDefaults are cached
UIDefaults d1 = UIManager.getDefaults();
UIDefaults d2 = UIManager.getDefaults();
harness.check(d1 == d2);