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 enum constant arrays functions
  27  *          properly.
  28  *
  29  * @compile -source 1.5 Test.java
  30  * @run main Test
  31  */
  32 
  33 import java.io.*;
  34 import java.util.Arrays;
  35 
  36 enum Foo { klaatu, barada { int i = 1; }, nikto }
  37 
  38 public class Test {
  39     public static void main(String[] args) throws Exception {
  40         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  41         ObjectOutputStream oout = new ObjectOutputStream(bout);
  42         Foo[] fa = Foo.values();
  43         Object[] oa = Arrays.asList(fa).toArray();
  44         oout.writeObject(oa);
  45         oout.writeObject(fa);
  46         oout.close();
  47         ObjectInputStream oin = new ObjectInputStream(
  48             new ByteArrayInputStream(bout.toByteArray()));
  49         Object[] oa2 = (Object[]) oin.readObject();
  50         if (!elementsIdentical(oa, oa2)) {
  51             throw new Error("arrays differ: " +
  52                 Arrays.asList(oa) + ", " + Arrays.asList(oa2));
  53         }
  54         Foo[] fa2 = (Foo[]) oin.readObject();
  55         if (!elementsIdentical(fa, fa2)) {
  56             throw new Error("arrays differ: " +
  57                 Arrays.asList(fa) + ", " + Arrays.asList(fa2));
  58         }
  59     }
  60 
  61     static boolean elementsIdentical(Object[] a1, Object[] a2) {
  62         if (a1.length != a2.length) {
  63             return false;
  64         }
  65         for (int i = 0; i < a1.length; i++) {
  66             if (a1[i] != a2[i]) {
  67                 return false;
  68             }
  69         }
  70         return true;
  71     }
  72 }