f.getContentPane().add(l);
l.setSize(100, 100);
f.setSize(200, 200);
f.setVisible(true);
RepaintManager rm = RepaintManager.currentManager(l);
rm.addDirtyRegion(l, 0, 0, l.getWidth(), l.getHeight());
harness.check(rm.isCompletelyDirty(l), false);
Rectangle dirty = rm.getDirtyRegion(l);
harness.check(dirty.x, 0);
harness.check(dirty.y, 0);
harness.check(dirty.width, l.getWidth());