BasicClientCookie cookie = new BasicClientCookie("name", "value");
CookieOrigin origin = new CookieOrigin("www.somedomain.com", 80, "/", false);
CookieAttributeHandler h = new BasicDomainHandler();
cookie.setDomain("somedomain.com");
Assert.assertTrue(h.match(cookie, origin));
cookie.setDomain(".somedomain.com");
Assert.assertTrue(h.match(cookie, origin));
cookie.setDomain(null);