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products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/net/Inet6Address/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle B4923906.java Sprache: JAVA

/*
* 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"
                        );
                    }
                }
            }
        }
    }
}

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