public void testTeredoAddresses() { String[] nonTeredoAddresses = { "::1.2.3.4", "3ffe::1", "::", "::1", }; for (int i = 0; i < nonTeredoAddresses.length; i++) { InetAddress ip = InetAddresses.forString(nonTeredoAddresses[i]); assertFalse(InetAddresses.isTeredoAddress((Inet6Address) ip)); try { InetAddresses.getTeredoInfo((Inet6Address) ip); fail("IllegalArgumentException expected for '" + nonTeredoAddresses[i] + "'"); } catch (IllegalArgumentException expected) { // expected behavior } } String validTeredoAddress = "2001:0000:4136:e378:8000:63bf:3fff:fdd2"; String serverStr = "65.54.227.120"; String clientStr = "192.0.2.45"; int port = 40000; int flags = 0x8000; InetAddress ip = InetAddresses.forString(validTeredoAddress); assertTrue(InetAddresses.isTeredoAddress((Inet6Address) ip)); InetAddresses.TeredoInfo teredo = InetAddresses.getTeredoInfo((Inet6Address) ip); InetAddress server = InetAddresses.forString(serverStr); assertEquals(server, teredo.getServer()); InetAddress client = InetAddresses.forString(clientStr); assertEquals(client, teredo.getClient()); assertEquals(port, teredo.getPort()); assertEquals(flags, teredo.getFlags()); }