1 /*
   2  * Copyright (c) 2001, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @bug 4404696
  26  * @summary Verify that serialization does not require matching type strings
  27  *          for non-primitive fields.
  28  *
  29  * NOTE: This test should be removed if it is determined that serialization
  30  * *should* consider type strings when matching non-primitive fields.
  31  */
  32 
  33 import java.io.*;
  34 
  35 class Foo implements Serializable {
  36     private static final long serialVersionUID = 0L;
  37     String obj;         // writer defines this field as type Object
  38 }
  39 
  40 class Bar implements Serializable {
  41     private static final long serialVersionUID = 0L;
  42     short q;            // writer defines this field as type int
  43 }
  44 
  45 public class Read {
  46     public static void main(String[] args) throws Exception {
  47         FileInputStream in = new FileInputStream("foo.ser");
  48         try {
  49             ObjectInputStream oin = new ObjectInputStream(in);
  50             Foo foo = (Foo) oin.readObject();
  51             if (! foo.obj.equals("foo")) {
  52                 throw new Error();
  53             }
  54             try {
  55                 oin.readObject();
  56                 throw new Error();
  57             } catch (ClassCastException ex) {
  58             }
  59         } finally {
  60             in.close();
  61         }
  62 
  63         in = new FileInputStream("bar.ser");
  64         try {
  65             ObjectInputStream oin = new ObjectInputStream(in);
  66             oin.readObject();
  67             throw new Error();
  68         } catch (InvalidClassException ex) {
  69         } finally {
  70             in.close();
  71         }
  72     }
  73 }