host = "%E3%83%86%E3%82%B9%E3%83%88.org";
        expected = "xn--zckzah.org";
        assertEquals(expected, resolver.toAscii(host));

    }

    public void test_resolve_ipv6() throws UnknownHostException {
        IdnDnsResolver resolver = new IdnDnsResolver();

        // Test IPv6 loopback address with brackets
        String host = "[::1]";