LookAndFeelAddons { public static synchronized boolean isTrackingLookAndFeelChanges() { return trackingChanges; }  void initialize(); void uninitialize(); void loadDefaults(Object[] keysAndValues); void unloadDefaults(@SuppressWarnings("unused") Object[] keysAndValues); static void setAddon(String addonClassName); static void setAddon(Class<?> addonClass); static void setAddon(LookAndFeelAddons addon); static LookAndFeelAddons getAddon(); static String getBestMatchAddonClassName(); static String getCrossPlatformAddonClassName(); static String getSystemAddonClassName(); static void contribute(ComponentAddon component); static void uncontribute(ComponentAddon component); static ComponentUI getUI(JComponent component, Class<?> expectedUIClass); static synchronized void setTrackingLookAndFeelChanges(boolean tracking); static synchronized boolean isTrackingLookAndFeelChanges(); static void installBackgroundPainter(JComponent c, String painter); static void uninstallBackgroundPainter(JComponent c);  }
@Test public void testTrackingTrue() { assertTrue(LookAndFeelAddons.isTrackingLookAndFeelChanges()); }