Java example source code file (DerValueEqualsHashCode.java)

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Java - Java tags/keywords

cn\=user, deroutputstream, dervalue, dervalueequalshashcode, exception, failed, string, x500name

The DerValueEqualsHashCode.java Java example source code

/*
 * Copyright (c) 1999, 2007, 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
 * @author Gary Ellison
 * @bug 4170635
 * @summary Verify equals()/hashCode() contract honored
 */

import java.io.*;
import sun.security.util.*;
import sun.security.x509.*;


public class DerValueEqualsHashCode {

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

        String name = "CN=user";
        X500Name dn = new X500Name(name);

        DerOutputStream deros;
        byte[] ba;
        //
        // get busy
        deros = new DerOutputStream();
        dn.encode(deros);
        ba = deros.toByteArray();

        DerValue dv1 = new DerValue(ba);
        DerValue dv2 = new DerValue(ba);

        if ( (dv1.equals(dv2)) == (dv1.hashCode()==dv2.hashCode()) )
            System.out.println("PASSED");
        else
            throw new Exception("FAILED equals()/hashCode() contract");

    }

}