1 /*
   2  * Copyright 2003 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 /* @test
  25  * @bug 4838379
  26  * @summary Verify that serialization of Class objects for enum types works
  27  *          properly.
  28  *
  29  * @compile -source 1.5 Test.java
  30  * @run main Test
  31  */
  32 
  33 import java.io.*;
  34 
  35 enum Foo { foo, bar { int i = 0; }, baz { double d = 3.0; } }
  36 
  37 public class Test {
  38     public static void main(String[] args) throws Exception {
  39         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  40         ObjectOutputStream oout = new ObjectOutputStream(bout);
  41         Class[] classes = { Enum.class, Foo.foo.getClass(),
  42                             Foo.bar.getClass(), Foo.baz.getClass() };
  43         for (int i = 0; i < classes.length; i++) {
  44             oout.writeObject(classes[i]);
  45         }
  46         oout.close();
  47 
  48         ObjectInputStream oin = new ObjectInputStream(
  49             new ByteArrayInputStream(bout.toByteArray()));
  50         for (int i = 0; i < classes.length; i++) {
  51             Object obj = oin.readObject();
  52             if (obj != classes[i]) {
  53                 throw new Error("expected " + classes[i] + ", got " + obj);
  54             }
  55         }
  56     }
  57 }