@Test
public void testGetDomainName() throws Exception {
URL url = null;
url = new URL("http://nutch.apache.org");
assertEquals("apache.org", URLUtil.getDomainName(url));
url = new URL("http://en.wikipedia.org/wiki/Java_coffee");
assertEquals("wikipedia.org", URLUtil.getDomainName(url));
url = new URL("http://140.211.11.130/foundation/contributing.html");
assertEquals("140.211.11.130", URLUtil.getDomainName(url));
url = new URL("http://www.example.co.uk:8080/index.html");
assertEquals("example.co.uk", URLUtil.getDomainName(url));
url = new URL("http://com");
assertEquals("com", URLUtil.getDomainName(url));
url = new URL("http://www.example.co.uk.com");
assertEquals("uk.com", URLUtil.getDomainName(url));
// "nn" is not a tld
url = new URL("http://example.com.nn");
assertEquals("nn", URLUtil.getDomainName(url));
url = new URL("http://");
assertEquals("", URLUtil.getDomainName(url));
url = new URL("http://www.edu.tr.xyz");
assertEquals("xyz", URLUtil.getDomainName(url));
url = new URL("http://www.example.c.se");
assertEquals("example.c.se", URLUtil.getDomainName(url));
// plc.co.im is listed as a domain suffix
url = new URL("http://www.example.plc.co.im");
assertEquals("example.plc.co.im", URLUtil.getDomainName(url));
// 2000.hu is listed as a domain suffix
url = new URL("http://www.example.2000.hu");
assertEquals("example.2000.hu", URLUtil.getDomainName(url));
// test non-ascii
url = new URL("http://www.example.商業.tw");
assertEquals("example.商業.tw", URLUtil.getDomainName(url));
}
