}
    }

    /**
     * Test EnumSet functionality
     */
    public void test_enumSet() {
        // Create EnumSet with all values
        EnumSet<CrawlerStatus> allStatuses = EnumSet.allOf(CrawlerStatus.class);
        assertEquals(3, allStatuses.size());
        assertTrue(allStatuses.contains(CrawlerStatus.INITIALIZING));
        assertTrue(allStatuses.contains(CrawlerStatus.RUNNING));