/*

 * Copyright (c) 2003, 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 4923906

 * @summary  Inet6Address.getScopedInterface() returns a String instead of a NetworkInterface

 */

import java.net.*;

import java.util.*;

public class B4923906 {

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

        Enumeration e = NetworkInterface.getNetworkInterfaces();

        while (e.hasMoreElements()) {

            NetworkInterface ifc = (NetworkInterface) e.nextElement();

            Enumeration addrs = ifc.getInetAddresses();

            System.out.println (ifc.getName() +": " + ifc.getDisplayName());

            while (addrs.hasMoreElements()) {

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

                System.out.println ("\t"+a);

                if (a instanceof Inet6Address) {

                    Inet6Address ia6 = (Inet6Address) a;

                    Object o = ia6.getScopedInterface();

                    if (o instanceof String) {

                        throw new RuntimeException (

                           "Oops! This should be a NetworkInterface"

                        );

                    }

                }

            }

        }

    }

}