/*

 * 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 4174797

 * @summary Ensure that ObjectInputStream can set final fields.

 */

import java.io.*;

class Foo implements Serializable {

    final int i;

    Foo(int i) {

        this.i = i;

    }

    public boolean equals(Object obj) {

        if (! (obj instanceof Foo))

            return false;

        Foo f = (Foo) obj;

        return (i == f.i);

    }

}

public class FinalFields {

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

        ByteArrayOutputStream bout;

        ByteArrayInputStream bin;

        ObjectOutputStream oout;

        ObjectInputStream oin;

        Foo f1, f2, f1copy, f2copy;

        bout = new ByteArrayOutputStream();

        oout = new ObjectOutputStream(bout);

        f1 = new Foo(1);

        f2 = new Foo(2);

        oout.writeObject(f1);

        oout.writeObject(f2);

        oout.flush();

        bin = new ByteArrayInputStream(bout.toByteArray());

        oin = new ObjectInputStream(bin);

        f1copy = (Foo) oin.readObject();

        f2copy = (Foo) oin.readObject();

        if (! (f1.equals(f1copy) && f2.equals(f2copy)))

            throw new Error("copies don't match originals");

    }

}