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 
main(String[] args)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 
writeObjToOut(int listLength)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 
compareHashCodes(String[] args)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 
compareObjToFile(String lengthStr, String file0)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 
setupObjects(String lengthStr, File file)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 
marshalledList(int length)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 }
109