public void testRemove() throws BackingStoreException {
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
pref.put("key", "value");
pref.flush();
assertNotNull(storage.toPropertiesFile());
pref.remove("key");
assertTrue(pref.properties.isEmpty());
pref.flush();
assertNull(storage.toPropertiesFile());
}
public void testPreferencesEvents2() throws Exception {
pref.addNodeChangeListener(new NodeListener());
pref.addPreferenceChangeListener(new PrefListener());
Preferences child = pref.node("a");
nodeAddedEvent.await();
assertEquals("Missing node added event", 0, nodeAddedEvent.getCount());
pref.put("key", "value");
prefChangedEvent.await();
assertEquals("Missing preference change event", 0, prefChangedEvent.getCount());
pref.remove("key");
prefRemovedEvent.await();
assertEquals("Missing preference removed event", 0, prefRemovedEvent.getCount());
child.removeNode();
nodeRemovedEvent.await();
assertEquals("Missing node removed event", 0, nodeRemovedEvent.getCount());
}