KickJava   Java API By Example, From Geeks To Geeks.

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


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 junit.framework.TestSuite;
33 import junit.textui.TestRunner;
34
35 import org.objectweb.asm.AbstractTest;
36 import org.objectweb.asm.ClassAdapter;
37 import org.objectweb.asm.ClassReader;
38 import org.objectweb.asm.ClassVisitor;
39 import org.objectweb.asm.ClassWriter;
40 import org.objectweb.asm.MethodVisitor;
41 import org.objectweb.asm.Opcodes;
42
43 /**
44  * AdviceAdapter tests.
45  *
46  * @author Eugene Kuleshov
47  */
48 public class AdviceAdapterTest extends AbstractTest {
49
50     public static void main(final String JavaDoc[] args) throws Exception JavaDoc {
51         TestRunner.run(AdviceAdapterTest.suite());
52     }
53
54     public static TestSuite suite() throws Exception JavaDoc {
55         return new AdviceAdapterTest().getSuite();
56     }
57
58     public void test() throws Exception JavaDoc {
59         ClassReader cr = new ClassReader(is);
60         ClassWriter cw1 = new ClassWriter(0);
61         ClassWriter cw2 = new ClassWriter(0);
62         cr.accept(new ReferenceClassAdapter(cw1), ClassReader.EXPAND_FRAMES);
63         cr.accept(new AdviceClassAdapter(cw2), ClassReader.EXPAND_FRAMES);
64         assertEquals(new ClassReader(cw1.toByteArray()),
65                 new ClassReader(cw2.toByteArray()));
66     }
67
68     static class ReferenceClassAdapter extends ClassAdapter {
69
70         public ReferenceClassAdapter(final ClassVisitor cv) {
71             super(cv);
72         }
73
74         public MethodVisitor visitMethod(
75             final int access,
76             final String JavaDoc name,
77             final String JavaDoc desc,
78             final String JavaDoc signature,
79             final String JavaDoc[] exceptions)
80         {
81             MethodVisitor mv = cv.visitMethod(access,
82                     name,
83                     desc,
84                     signature,
85                     exceptions);
86
87             if (mv == null
88                     || (access & (Opcodes.ACC_ABSTRACT | Opcodes.ACC_NATIVE)) > 0)
89             {
90                 return mv;
91             }
92
93             return new LocalVariablesSorter(access, desc, mv);
94         }
95     }
96
97     static class AdviceClassAdapter extends ClassAdapter {
98
99         public AdviceClassAdapter(final ClassVisitor cv) {
100             super(cv);
101         }
102
103         public MethodVisitor visitMethod(
104             final int access,
105             final String JavaDoc name,
106             final String JavaDoc desc,
107             final String JavaDoc signature,
108             final String JavaDoc[] exceptions)
109         {
110             MethodVisitor mv = cv.visitMethod(access,
111                     name,
112                     desc,
113                     signature,
114                     exceptions);
115
116             if (mv == null
117                     || (access & (Opcodes.ACC_ABSTRACT | Opcodes.ACC_NATIVE)) > 0)
118             {
119                 return mv;
120             }
121
122             return new AdviceAdapter(mv, access, name, desc) {
123                 protected void onMethodEnter() {
124                     // mv.visitInsn(NOP);
125 // mv.visitInsn(NOP);
126 // mv.visitInsn(NOP);
127 }
128
129                 protected void onMethodExit(final int opcode) {
130                     // mv.visitInsn(NOP);
131 // mv.visitInsn(NOP);
132 // mv.visitInsn(NOP);
133 // mv.visitInsn(NOP);
134 }
135             };
136         }
137     }
138 }
139
Popular Tags