hashCodes.add(CrawlerStatus.INITIALIZING.hashCode());
        hashCodes.add(CrawlerStatus.RUNNING.hashCode());
        hashCodes.add(CrawlerStatus.DONE.hashCode());

        // While not guaranteed, typically enum hashCodes are different
        assertTrue(hashCodes.size() > 1);
    }

    /**
     * Test compareTo method
     */
    public void test_compareTo() {
        // Compare with self