/*

 * 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 6313687

 * @summary Verify that if the class descriptor for an ordinary object is the

 *          descriptor for an array class, an ObjectStreamException is thrown.

 *

 */

import java.io.*;

class TestArray implements Serializable {

    // size of array

    private static final int ARR_SIZE = 5;

    // serializable field

    private String[] strArr = new String[ARR_SIZE];

    public TestArray() {

        for (int i = 0; i < ARR_SIZE; i++) {

            strArr[i] = "test" + i;

        }

    }

}

public class MisplacedArrayClassDesc {

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

       System.err.println("\nRegression test for CR6313687");

       TestArray object = new TestArray();

       try {

           // Serialize to a byte array

           ByteArrayOutputStream bos = new ByteArrayOutputStream() ;

           ObjectOutputStream out = new ObjectOutputStream(bos) ;

           out.writeObject(object);

           out.close();

           // Get the bytes of the serialized object

           byte[] buf = bos.toByteArray();

           for (int i = 0; i < buf.length; i++) {

               if (buf[i] == ObjectOutputStream.TC_ARRAY) {

                   buf[i] = ObjectOutputStream.TC_OBJECT;

                   break;

               }

           }

           // Deserialize from a byte array

           ByteArrayInputStream bais = new ByteArrayInputStream(buf);

           ObjectInputStream in = new ObjectInputStream(bais);

           TestArray ta = (TestArray) in.readObject();

           in.close();

       } catch (InstantiationError e) {

            throw new Error();

       } catch (InvalidClassException e) {

            System.err.println("\nTest passed");

            return;

       }

       throw new Error();

    }

}