String url2 = "http://test.org/";
        data.setUrl(url2);
        assertEquals(url2, data.getUrl());

        data.setUrl(null);
        assertNull(data.getUrl());
    }

    public void test_weightGetterSetter() {
        // Test weight getter/setter
        RequestData data = new RequestData();

        // Default weight should be 1.0
        assertEquals(1.0f, data.getWeight(), 0.001f);

        queue.setCreateTime(timestamp);
        assertEquals(timestamp, queue.getCreateTime());

        queue.setCreateTime(null);
        assertNull(queue.getCreateTime());
    }

    public void test_weightGetterSetter() {
        // Test weight getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        // Default weight should be 1.0
        assertEquals(1.0f, queue.getWeight(), 0.001f);