/*

 * 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

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 * questions.

 */

/* @test

 * @summary it is new version of old test which was

 *          /src/share/test/serialization/piotest.java

 *          Test of serialization/deserialization of

 *          objects with CircularListType types

 */

import java.io.*;

public class CircularList {

   public static void main (String argv[]) throws IOException {

       System.err.println("\nRegression test for testing of " +

            "serialization/deserialization of " +

            "objects with CirculalListType types \n");

       FileInputStream istream = null;

       FileOutputStream ostream = null;

       try {

           ostream = new FileOutputStream("piotest7.tmp");

           ObjectOutputStream p = new ObjectOutputStream(ostream);

           CircularListTest.setup();

           p.writeObject(CircularListTest.list);

           p.flush();

           istream = new FileInputStream("piotest7.tmp");

           ObjectInputStream q = new ObjectInputStream(istream);

           CircularListTest cv = (CircularListTest)q.readObject();

           if (cv != cv.next) {

               System.err.println("\nTEST FAILED: " +

                    "Circular List Test failed, next != self");

               throw new Error();

           }

           System.err.println("\nTEST PASSED");

       } catch (Exception e) {

           System.err.print("TEST FAILED: ");

           e.printStackTrace();

           throw new Error();

        } finally {

           if (istream != null) istream.close();

           if (ostream != null) ostream.close();

        }

    }

}

class CircularListTest implements java.io.Serializable {

    public CircularListTest next = null;

    public static CircularListTest list = null;

    public static void setup() {

        list = new CircularListTest();

        list.next = list;

    }

}