assertEquals(-1, crawlJob.hotThreadInterval);
    }

    // Test namespace setter
    @Test
    public void test_namespace() {
        String testNamespace = "test_namespace";
        CrawlJob result = crawlJob.namespace(testNamespace);
        assertEquals(testNamespace, crawlJob.namespace);
        assertSame(crawlJob, result);
    }

    // Test documentExpires setter
    @Test