assertEquals(10, crawlerContext.getNumOfThread());

        crawlerContext.setNumOfThread(5);
        assertEquals(5, crawlerContext.getNumOfThread());

        crawlerContext.setNumOfThread(0);
        assertEquals(0, crawlerContext.getNumOfThread());

        crawlerContext.setNumOfThread(-1);
        assertEquals(-1, crawlerContext.getNumOfThread());

        crawlerContext.setNumOfThread(Integer.MAX_VALUE);

        fileTransformer.setPath(file.getAbsolutePath());
        crawler.addUrl(url);
        crawler.crawlerContext.setMaxThreadCheckCount(3);
        // crawler.crawlerContext.setMaxAccessCount(maxCount);
        crawler.crawlerContext.setNumOfThread(numOfThread);
        crawler.crawlerContext.setMaxDepth(1);
        crawler.urlFilter.addInclude(url + ".*");
        final String sessionId = crawler.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            // Wait for both crawlers to start with polling
            long startTime = System.currentTimeMillis();
            while ((crawler1.crawlerContext.getStatus() != CrawlerStatus.RUNNING
                    || crawler2.crawlerContext.getStatus() != CrawlerStatus.RUNNING) && System.currentTimeMillis() - startTime < 5000) {

        final String url = "http://localhost:7070/hoge.html";
        try {
            final CrawlerContext crawlerContext = new CrawlerContext();
            final String sessionId = "id1";
            urlFilter.init(sessionId);
            crawlerContext.setUrlFilter(urlFilter);
            CrawlingParameterUtil.setCrawlerContext(crawlerContext);
            httpClient.init();
            httpClient.processRobotsTxt(url);

            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            for (int i = 0; i < 100; i++) {
                if (crawler1.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
                    break;
                }
                Thread.sleep(50);
            }
            assertEquals(CrawlerStatus.RUNNING, crawler1.crawlerContext.getStatus());