1 /*

     2  * Copyright 1998-2001 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @bug 4088176

    26  * @summary Evolution: read evolved class with new field of a non-existing Externalizable class.

    27  */

    28 

    29 import java.io.*;

    30 

    31 class A implements Serializable {

    32     // Version 1.0 of class A.

    33     private static final long serialVersionUID = 1L;

    34     public int bar;

    35     public D zoo;

    36 }

    37 

    38 class D implements Serializable {

    39     public int x;

    40     D(int y) {

    41         x = y;

    42     }

    43 }

    44 

    45 public class ReadAddedField {

    46     public static void main(String args[])

    47         throws IOException, ClassNotFoundException

    48     {

    49         File f = new File("tmp.ser");

    50         ObjectInput in =

    51             new ObjectInputStream(new FileInputStream(f));

    52         A a = (A)in.readObject();

    53         A b = (A)in.readObject();

    54         if (a.bar != 4)

    55             throw new RuntimeException("a.bar does not equal 4, it equals " +

    56                                        a.bar);

    57         if (a.zoo.x != 22)

    58             throw new RuntimeException("a.zoo.x does not equal 22 equals " +

    59                                        a.zoo.x);

    60         if (b.bar != 4)

    61             throw new RuntimeException("b.bar does not equal 4, it equals " +

    62                                        b.bar);

    63         if (b.zoo.x != 22)

    64             throw new RuntimeException("b.zoo.x does not equal 22 equals " +

    65                                        b.zoo.x);

    66         in.close();

    67     }

    68 }