/*

 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

/* @test

 * @bug 6718504

 * @summary IN6_IS_ADDR_ANY tests only 12 bytes of 16-byte address

 */

import java.net.DatagramSocket;

import java.net.InetAddress;

import java.net.Inet6Address;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.*;

public class LocalSocketAddress  {

    public static void main(String[] args) throws SocketException {

        InetAddress IPv6LoopbackAddr = null;

        DatagramSocket soc = null;

        try {

            List<NetworkInterface> nics = Collections.list(NetworkInterface.getNetworkInterfaces());

            for (NetworkInterface nic : nics) {

                if (!nic.isLoopback())

                    continue;

                List<InetAddress> addrs = Collections.list(nic.getInetAddresses());

                for (InetAddress addr : addrs) {

                    if (addr instanceof Inet6Address) {

                        IPv6LoopbackAddr = addr;

                        break;

                    }

                }

            }

            if (IPv6LoopbackAddr == null) {

                System.out.println("IPv6 is not available, exiting test.");

                return;

            }

            soc = new DatagramSocket(0, IPv6LoopbackAddr);

            if (!IPv6LoopbackAddr.equals(soc.getLocalAddress())) {

                throw new RuntimeException("Bound address is " + soc.getLocalAddress() +

                                   ", but should be " + IPv6LoopbackAddr);

            }

        }  finally {

            if (soc != null) { soc.close(); }

        }

    }

}