/*

 * 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 4348213

 * @build UnnamedPackageSwitchTest pkg.A

 * @run main UnnamedPackageSwitchTest

 * @summary Verify that deserialization allows an incoming class descriptor

 *          representing a class in the unnamed package to be resolved to a

 *          local class with the same name in a named package, and vice-versa.

 */

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.InputStream;

import java.io.IOException;

import java.io.ObjectOutputStream;

import java.io.ObjectInputStream;

import java.io.ObjectStreamClass;

import java.io.Serializable;

class A implements Serializable {

    private static final long serialVersionUID = 0L;

}

class TestObjectInputStream extends ObjectInputStream {

    TestObjectInputStream(InputStream in) throws IOException { super(in); }

        throws IOException, ClassNotFoundException

    {

        String name = desc.getName();

        if (name.equals("A")) {

            return pkg.A.class;

        } else if (name.equals("pkg.A")) {

            return A.class;

        } else {

            return super.resolveClass(desc);

        }

    }

}

public class UnnamedPackageSwitchTest {

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

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        ObjectOutputStream oout = new ObjectOutputStream(bout);

        oout.writeObject(new A());

        oout.writeObject(new pkg.A());

        oout.close();

        ObjectInputStream oin = new TestObjectInputStream(

            new ByteArrayInputStream(bout.toByteArray()));

        oin.readObject();

        oin.readObject();

    }

}