1 /*
   2  * Copyright (c) 1998, 2012, 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  * @test
  26  * @bug 4096312
  27  * @summary Codebase annotations on classes that are marshalled should not
  28  *          affect the behavior of MarshalledObject.equals.  Only the bytes
  29  *          not involved in location should be compared.
  30  * @author Ken Arnold
  31  *
  32  * @run main/othervm Compare 11 annotatedRef
  33  */
  34 
  35 import java.rmi.MarshalledObject;
  36 import java.io.*;
  37 
  38 public class Compare {
  39     static class Node implements Serializable {
  40         int value = nextValue++;
  41         Node next;
  42 
  43         static int nextValue = 1;
  44     };
  45 
  46     private static MarshalledObject made;
  47     private static MarshalledObject read;
  48 
  49     public static void main(String[] args) throws Throwable {
  50         if (args.length == 1)
  51             writeObjToOut(Integer.parseInt(args[0]));
  52         else
  53             compareObjToFile(args[0], args[1]);
  54     }
  55 
  56     static void writeObjToOut(int listLength) throws Throwable {
  57         ObjectOutputStream out = new ObjectOutputStream(System.out);
  58         out.writeObject(marshalledList(listLength));
  59         out.close();
  60     }
  61 
  62     public static void compareHashCodes(String[] args) throws Throwable {
  63         File f = new File(System.getProperty("test.src", "."), args[1]);
  64         setupObjects(args[0], f);
  65         if (made.hashCode() != read.hashCode()) {
  66             throw new RuntimeException(
  67                 "made.hashCode(){" + made.hashCode() + "} != " +
  68                 "read.hashCode(){" + read.hashCode() + "}"
  69             );
  70         }
  71     }
  72 
  73     static void compareObjToFile(String lengthStr, String file0) throws Throwable
  74     {
  75         File f = new File(System.getProperty("test.src", "."), file0);
  76         setupObjects(lengthStr, f);
  77         if (!made.equals(read) || !read.equals(made)) {
  78             throw new RuntimeException(
  79                      "made.equals(read) = " + made.equals(read)
  80                 + ", read.equals(made) = " + read.equals(made)
  81             );
  82         }
  83     }
  84 
  85     static MarshalledObject setupObjects(String lengthStr, File file)
  86         throws Throwable
  87     {
  88         int listLength = Integer.parseInt(lengthStr);
  89         made = marshalledList(listLength);
  90         ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
  91         read = (MarshalledObject) in.readObject();
  92         in.close();
  93         return read;
  94     }
  95 
  96     static MarshalledObject marshalledList(int length) throws Throwable {
  97         Node head = null;
  98         Node cur = null;
  99         for (int i = 0; i < length; i++) {
 100             if (head == null)
 101                 cur = head = new Node();
 102             else
 103                 cur = cur.next = new Node();
 104         }
 105         System.err.println("head = " + head);
 106         return new MarshalledObject(head);
 107     }
 108 }