public void testSerialization_caching() throws Exception {
Queue<String> original = QueueTools.linkedQueue(20);
original.enqueue("first");
Queue<String> clone = TestTools.serialize(original);
assertEquals(original.peek(), clone.peek());
assertEquals(original.dequeue(), clone.dequeue());
assertNotSame(original, clone);
assertTrue(original.isEmpty());
assertEquals(original.isEmpty(), clone.isEmpty());
original.enqueue("second");
assertFalse(original.isEmpty());
// clone should still be empty
assertTrue(clone.isEmpty());
Object factory = ObjectTools.get(original, "nodeFactory");
assertTrue(factory.toString().startsWith("LinkedQueue.CachingNodeFactory"));
}
