@Test(expected = IllegalArgumentException.class)
public void testSeedNotDistinct() {
crawler = new MockWebCrawler(0, 1);
crawler.crawl("http://www.bbc.co.uk/", "seedNotUnique.txt");
}
@Test
public final void testSearch() throws Exception {
assertTrue(crawler.search(urlTrue));
assertFalse(crawler.search(urlFalse));
}