// Add a URL that matches the filter
        crawler.addUrl("http://example.com/page");

        assertTrue(crawler.urlFilter.match("http://example.com/page"));
    }

    public void test_addExcludeFilter() throws Exception {
        crawler.addIncludeFilter("http://example\\.com/.*");
        crawler.addExcludeFilter("http://example\\.com/exclude/.*");

        // Initialize the filter