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Java > Open Source Codes > org > objectweb > asm > commons > SerialVersionUIDAdderTest


1 /***
2  * ASM tests
3  * Copyright (c) 2002-2005 France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 package org.objectweb.asm.commons;
31
32 import java.io.IOException JavaDoc;
33 import java.io.Serializable JavaDoc;
34 import java.security.NoSuchAlgorithmException JavaDoc;
35
36 import org.objectweb.asm.ClassReader;
37 import org.objectweb.asm.ClassVisitor;
38
39 import junit.framework.TestCase;
40
41 /**
42  * Test for the SerialVerionUid computation.
43  *
44  * @author Alexandre Vasseur
45  * @author Eric Bruneton
46  */
47 public class SerialVersionUIDAdderTest extends TestCase implements Serializable JavaDoc
48 {
49
50     protected final static int aField = 32;
51
52     static {
53         System.gc();
54     }
55
56     public Object JavaDoc[] aMethod() {
57         return null;
58     }
59
60     private long computeSerialVersionUID(String JavaDoc className) throws IOException JavaDoc {
61         final long[] svuid = new long[1];
62         ClassVisitor cv = new SerialVersionUIDAdder(new EmptyVisitor()) {
63             protected long computeSVUID()
64                     throws IOException JavaDoc, NoSuchAlgorithmException JavaDoc
65             {
66                 svuid[0] = super.computeSVUID();
67                 return svuid[0];
68             }
69         };
70         new ClassReader(className).accept(cv, false);
71         return svuid[0];
72     }
73
74     public void test() throws Throwable JavaDoc {
75         long UID = computeSerialVersionUID(getClass().getName());
76         assertEquals(3047446532799341501L, UID);
77     }
78 }
79
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