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Java > Open Source Codes > org > objectweb > asm > ClassWriterCopyPoolTest


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;
31
32 import junit.framework.TestSuite;
33
34 /**
35  * ClassWriter tests for copyPool() optimization.
36  *
37  * @author Eugene Kuleshov
38  */
39 public class ClassWriterCopyPoolTest extends AbstractTest {
40
41     public static TestSuite suite() throws Exception JavaDoc {
42         return new ClassWriterCopyPoolTest().getSuite();
43     }
44
45     public void test() throws Exception JavaDoc {
46         ClassReader cr = new ClassReader(is);
47         ClassWriter cw1 = new ClassWriter(0);
48         ClassWriter cw2 = new ClassWriter(cr, 0);
49         cr.accept(new ChangeExceptionAdapter(cw1), 0);
50         cr.accept(new ChangeExceptionAdapter(cw2), 0);
51         assertEquals(new ClassReader(cw1.toByteArray()),
52                 new ClassReader(cw2.toByteArray()));
53     }
54
55     static class ChangeExceptionAdapter extends ClassAdapter {
56
57         public ChangeExceptionAdapter(final ClassVisitor cv) {
58             super(cv);
59         }
60
61         public MethodVisitor visitMethod(
62             final int access,
63             final String JavaDoc name,
64             final String JavaDoc desc,
65             final String JavaDoc signature,
66             final String JavaDoc[] exceptions)
67         {
68             if (exceptions != null && exceptions.length > 0) {
69                 exceptions[0] = "java/lang/Throwable";
70             }
71             return super.visitMethod(access, name, desc, signature, exceptions);
72         }
73     }
74 }
75
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