66 lines
2.4 KiB
Java
66 lines
2.4 KiB
Java
/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 7003398
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* @run main/othervm Equals
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*/
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import java.net.NetworkInterface;
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import java.net.InetAddress;
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import java.util.Enumeration;
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import java.util.HashMap;
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public class Equals {
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public static void main(String args[]) throws Exception {
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Enumeration nifs1 = NetworkInterface.getNetworkInterfaces();
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HashMap<String,Integer> hashes = new HashMap<>();
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HashMap<String,NetworkInterface> nicMap = new HashMap<>();
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while (nifs1.hasMoreElements()) {
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NetworkInterface ni = (NetworkInterface)nifs1.nextElement();
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hashes.put(ni.getName(),ni.hashCode());
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nicMap.put(ni.getName(),ni);
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}
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System.setSecurityManager(new SecurityManager());
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Enumeration nifs2 = NetworkInterface.getNetworkInterfaces();
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while (nifs2.hasMoreElements()) {
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NetworkInterface ni = (NetworkInterface)nifs2.nextElement();
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NetworkInterface niOrig = nicMap.get(ni.getName());
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int h = hashes.get(ni.getName());
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if (h != ni.hashCode()) {
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throw new RuntimeException ("Hashcodes different for " +
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ni.getName());
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}
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if (!ni.equals(niOrig)) {
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throw new RuntimeException ("equality different for " +
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ni.getName());
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}
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}
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}
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}
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