/*

 * Copyright (c) 2001, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4422122

 * @summary Test that MulticastSocket.getInterface returns the

 *          same InetAddress set by MulticastSocket.setInterface

 */

import java.net.*;

import java.util.Enumeration;

import java.io.IOException;

public class TestInterfaces {

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

        int failures = 0;

        MulticastSocket soc = new MulticastSocket();

        Enumeration nifs = NetworkInterface.getNetworkInterfaces();

        while (nifs.hasMoreElements()) {

            NetworkInterface ni = (NetworkInterface)nifs.nextElement();

            /*

             * Test MulticastSocket.getInterface

             */

            Enumeration addrs = ni.getInetAddresses();

            while (addrs.hasMoreElements()) {

                InetAddress ia = (InetAddress)addrs.nextElement();

                System.out.println("********************************");

                System.out.println("MulticastSocket.setInterface(" + ia + ")");

                try {

                    soc.setInterface(ia);

                } catch (IOException ioe) {

                    System.err.println("Can't set interface to: " + ia

                        + " " + ioe.getMessage());

                    continue;

                }

                InetAddress curr = soc.getInterface();

                if (!curr.equals(ia)) {

                    System.err.println("MulticastSocket.getInterface returned: " + curr);

                    System.err.println("Failed! Expected: " + ia);

                    failures++;

                } else {

                    System.out.println("Passed.");

                }

            }

            /*

             * Test MulticastSocket.getNetworkInterface

             */

            System.out.println("********************************");

            System.out.println("MulticastSocket.setNetworkInterface(" +

                ni.getName() + ")");

            try {

                soc.setNetworkInterface(ni);

            } catch (IOException ioe) {

                System.err.println("Can't set interface to: " + ni.getName()

                        + " " + ioe.getMessage());

                continue;

            }

            NetworkInterface curr = soc.getNetworkInterface();

            if (!curr.equals(ni)) {

                System.err.println("MulticastSocket.getNetworkInterface returned: " + curr);

                System.err.println("Failed! Expected: " + ni);

                failures++;

            } else {

                System.out.println("Passed.");

            }

        }

        if (failures > 0) {

            System.out.println("********************************");

            throw new Exception(failures + " test(s) failed!!!");

        }

    }

}