result = crawlJob.webConfigIds(new String[0]);
        assertEquals(0, crawlJob.webConfigIds.length);
        assertSame(crawlJob, result);
    }

    // Test fileConfigIds setter
    public void test_fileConfigIds() {
        String[] testIds = { "file1", "file2" };
        CrawlJob result = crawlJob.fileConfigIds(testIds);
        assertArrayEquals(testIds, crawlJob.fileConfigIds);
        assertSame(crawlJob, result);