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


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
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23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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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
35 import org.objectweb.asm.ClassReader;
36 import org.objectweb.asm.ClassVisitor;
37
38 import junit.framework.TestCase;
39
40 /**
41  * Test for the SerialVerionUid computation.
42  *
43  * @author Alexandre Vasseur
44  * @author Eric Bruneton
45  */
46 public class SerialVersionUIDAdderUnitTest extends TestCase implements
47         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(final String JavaDoc className)
61             throws IOException JavaDoc
62     {
63         final long[] svuid = new long[1];
64         ClassVisitor cv = new SerialVersionUIDAdder(new EmptyVisitor()) {
65             protected long computeSVUID() throws IOException JavaDoc {
66                 svuid[0] = super.computeSVUID();
67                 return svuid[0];
68             }
69         };
70         new ClassReader(className).accept(cv, 0);
71         return svuid[0];
72     }
73
74     public void test() throws Throwable JavaDoc {
75         long UID = computeSerialVersionUID(getClass().getName());
76         assertEquals(194753646298127968L, UID);
77     }
78 }
79
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