/*

 * 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 4453723

 *

 * @clean Write2 Read2 Foo

 * @compile Write2.java

 * @run main Write2

 * @clean Write2 Read2 Foo

 * @compile Read2.java

 * @run main Read2

 *

 * @summary Verify that ObjectOutputStream.PutField.write() works for objects

 *          that do not define primitive serializable fields.

 */

import java.io.*;

class Foo implements Serializable {

    private static final long serialVersionUID = 0L;

    private static final ObjectStreamField[] serialPersistentFields = {

        new ObjectStreamField("s1", String.class),

        new ObjectStreamField("s2", String.class)

    };

    private void writeObject(ObjectOutputStream out) throws IOException {

        ObjectOutputStream.PutField fields = out.putFields();

        fields.put("s1", "qwerty");

        fields.put("s2", "asdfg");

        fields.write(out);

    }

}

public class Write2 {

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

        ObjectOutputStream oout =

            new ObjectOutputStream(new FileOutputStream("tmp.ser"));

        oout.writeObject(new Foo());

        oout.close();

    }

}