assertNull(queue.getDepth());
        assertNull(queue.getLastModified());
        assertNull(queue.getCreateTime());
        assertEquals(1.0f, queue.getWeight(), 0.001f);
    }

    public void test_idGetterSetter() {
        // Test ID getter/setter with Long
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        queue.setId(123L);
        assertEquals(Long.valueOf(123L), queue.getId());