1 /*
   2  * Copyright (c) 2003, 2010, 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 4838379
  26  * @summary Verify that serialization of enum constants that are instances of
  27  *          constant-specific subclasses functions properly.
  28  */
  29 
  30 import java.io.*;
  31 
  32 enum Foo {
  33     a,
  34     b { byte b = 3; },
  35     c,
  36     d { double d = 6.0; }
  37 }
  38 
  39 public class Read {
  40     public static void main(String[] args) throws Exception {
  41         FileInputStream in = new FileInputStream("foo.ser");
  42         try {
  43             ObjectInputStream oin = new ObjectInputStream(in);
  44             for (Foo f : Foo.values()) {
  45                 Object obj = oin.readObject();
  46                 if (obj != f) {
  47                     throw new Error("expected " + f + ", got " + obj);
  48                 }
  49             }
  50         } finally {
  51             in.close();
  52         }
  53     }
  54 }