author | rriggs |
Fri, 11 Oct 2019 13:11:56 -0400 | |
changeset 58565 | baa5969ecf34 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
2 |
* Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved. |
2 | 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 |
* |
|
5506 | 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. |
|
2 | 22 |
*/ |
23 |
||
24 |
/* @test |
|
25 |
* @bug 4461299 |
|
26 |
* @summary Verify that serialization functions properly if |
|
27 |
* ObjectInputStream.readClassDescriptor() returns a local class |
|
28 |
* descriptor for which the serialVersionUID has not yet been |
|
29 |
* calculated. |
|
30 |
*/ |
|
31 |
||
32 |
import java.io.*; |
|
33 |
import java.util.*; |
|
34 |
||
35 |
class LoopbackOutputStream extends ObjectOutputStream { |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
36 |
LinkedList<ObjectStreamClass> descs; |
2 | 37 |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
38 |
LoopbackOutputStream(OutputStream out, LinkedList<ObjectStreamClass> descs) |
2 | 39 |
throws IOException |
40 |
{ |
|
41 |
super(out); |
|
42 |
this.descs = descs; |
|
43 |
} |
|
44 |
||
45 |
protected void writeClassDescriptor(ObjectStreamClass desc) |
|
46 |
throws IOException |
|
47 |
{ |
|
48 |
descs.add(desc); |
|
49 |
} |
|
50 |
} |
|
51 |
||
52 |
class LoopbackInputStream extends ObjectInputStream { |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
53 |
LinkedList<ObjectStreamClass> descs; |
2 | 54 |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
55 |
LoopbackInputStream(InputStream in, LinkedList<ObjectStreamClass> descs) throws IOException { |
2 | 56 |
super(in); |
57 |
this.descs = descs; |
|
58 |
} |
|
59 |
||
60 |
protected ObjectStreamClass readClassDescriptor() |
|
61 |
{ |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
62 |
return descs.removeFirst(); |
2 | 63 |
} |
64 |
} |
|
65 |
||
66 |
public class Loopback implements Serializable { |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
67 |
private static final long serialVersionUID = 1L; |
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
68 |
|
2 | 69 |
String str; |
70 |
||
71 |
Loopback(String str) { |
|
72 |
this.str = str; |
|
73 |
} |
|
74 |
||
75 |
public static void main(String[] args) throws Exception { |
|
76 |
Loopback lb = new Loopback("foo"); |
|
58565
baa5969ecf34
8231427: Warning cleanup in tests of java.io.Serializable
rriggs
parents:
47216
diff
changeset
|
77 |
LinkedList<ObjectStreamClass> descs = new LinkedList<>(); |
2 | 78 |
ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
79 |
LoopbackOutputStream lout = new LoopbackOutputStream(bout, descs); |
|
80 |
lout.writeObject(lb); |
|
81 |
lout.close(); |
|
82 |
||
83 |
LoopbackInputStream lin = new LoopbackInputStream( |
|
84 |
new ByteArrayInputStream(bout.toByteArray()), descs); |
|
85 |
Loopback lbcopy = (Loopback) lin.readObject(); |
|
86 |
if (!lb.str.equals(lbcopy.str)) { |
|
87 |
throw new Error(); |
|
88 |
} |
|
89 |
} |
|
90 |
} |