1 /*
   2  * Copyright (c) 2002, 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 4511532
  26  * @summary Verify that the message string of a ClassCastException thrown by
  27  *          ObjectInputStream when attempting to assign a value to a field of
  28  *          an incompatible type contains the names of the value's class, the
  29  *          field's declaring class, the field's type, and the field itself.
  30  */
  31 
  32 import java.io.*;
  33 
  34 class Foo implements Serializable {
  35     private static final long serialVersionUID = 0L;
  36     private Float bar;
  37 }
  38 
  39 class Gub extends Foo {}
  40 
  41 public class Read {
  42     public static void main(String[] args) throws Exception {
  43         FileInputStream in = new FileInputStream("tmp.ser");
  44         try {
  45             ObjectInputStream oin = new ObjectInputStream(in);
  46             oin.readObject();
  47             throw new Error("readObject should not succeed");
  48         } catch (ClassCastException e) {
  49             String s = e.getMessage();
  50             System.out.println("ClassCastException message: " + s);
  51             if (s == null ||
  52                 s.indexOf(Foo.class.getName()) == -1 ||
  53                 s.indexOf(Integer.class.getName()) == -1 ||
  54                 s.indexOf(Float.class.getName()) == -1 ||
  55                 s.indexOf(Gub.class.getName()) == -1 ||
  56                 s.indexOf("bar") == -1)
  57             {
  58                 throw new Error("ClassNotFoundException message incomplete");
  59             }
  60         } finally {
  61             in.close();
  62         }
  63     }
  64 }