interceptor.addNotificationListener(metadata2, listener2, null, null);
interceptor.registration(metadata1, MBeanServerInterceptor.POST_DEREGISTER);
assertEquals(1, interceptor.getNotificationListenerWrappers().size());
assertEquals(1, interceptor.getObjectNames().size());
interceptor.registration(metadata2, MBeanServerInterceptor.POST_DEREGISTER);
assertEquals(0, interceptor.getNotificationListenerWrappers().size());
assertEquals(0, interceptor.getObjectNames().size());
}
private class NotificationListenerMBeanMetaData implements MBeanMetaData