/*

 * 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

 * @summary Verify that ClassCastException is thrown when deserializing

 *          an object and one of its object fields is  incompatibly replaced

 *          by either replaceObject/resolveObject.

 *

 */

import java.io.*;

class Container implements Serializable {

    A a = new A();

}

class ReplacerObjectOutputStream extends ObjectOutputStream {

    static B b = new B();

  public ReplacerObjectOutputStream(OutputStream out) throws IOException {

    super(out);

    enableReplaceObject(true);

  }

  protected Object replaceObject(Object obj) throws IOException {

      if(obj instanceof A) {

          System.err.println("replaceObject(" + obj.toString() + ") with " +

                             b.toString());

          return b;

      } else return obj;

  }

}

public class BadSubstByReplace {

    public static void main(String args[]) throws IOException, ClassNotFoundException {

        Container c = new Container();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        ReplacerObjectOutputStream out =   new ReplacerObjectOutputStream(baos);

        out.writeObject(c);

        out.close();

        ObjectInputStream in =

            new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));

        try {

            c = (Container)in.readObject(); // throws IllegalArgumentException.

            throw new Error("Should have thrown ClassCastException");

        } catch ( ClassCastException e) {

            System.err.println("Caught expected exception " + e.toString());

            e.printStackTrace();

        } finally {

            in.close();

        }

    }

}