01: /***
02: * ASM Guide
03: * Copyright (c) 2007 Eric Bruneton
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 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: */package ch3.sec2;
30:
31: import static org.objectweb.asm.Opcodes.IADD;
32: import static org.objectweb.asm.Opcodes.ICONST_0;
33: import static org.objectweb.asm.Opcodes.ILOAD;
34: import static org.objectweb.asm.Opcodes.IRETURN;
35:
36: import org.objectweb.asm.ClassAdapter;
37: import org.objectweb.asm.ClassVisitor;
38: import org.objectweb.asm.MethodVisitor;
39: import org.objectweb.asm.util.TraceMethodVisitor;
40:
41: import util.AbstractTestCase;
42:
43: /**
44: * ASM Guide example test class.
45: *
46: * @author Eric Bruneton
47: */
48: public class RemoveAddZeroAdapterTest extends AbstractTestCase {
49:
50: public void test() {
51: TraceMethodVisitor tmv = new TraceMethodVisitor(null);
52: MethodVisitor mv = new RemoveAddZeroAdapter(tmv);
53: mv.visitCode();
54: mv.visitVarInsn(ILOAD, 1);
55: mv.visitInsn(ICONST_0);
56: mv.visitInsn(IADD);
57: mv.visitInsn(IRETURN);
58: mv.visitMaxs(0, 0);
59: mv.visitEnd();
60: checkMethod(tmv);
61: }
62:
63: protected void checkMethod(TraceMethodVisitor tmv) {
64: TraceMethodVisitor mv = new TraceMethodVisitor(null);
65: mv.visitCode();
66: mv.visitVarInsn(ILOAD, 1);
67: mv.visitInsn(IRETURN);
68: mv.visitMaxs(0, 0);
69: mv.visitEnd();
70: assertEquals(mv, tmv);
71: }
72:
73: @Override
74: protected ClassVisitor getClassAdapter(ClassVisitor cv) {
75: return new ClassAdapter(cv) {
76: @Override
77: public MethodVisitor visitMethod(int access, String name,
78: String desc, String signature, String[] exceptions) {
79: return new RemoveAddZeroAdapter(cv.visitMethod(access,
80: name, desc, signature, exceptions));
81: }
82: };
83: }
84: }
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