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 ch6.sec1;
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 java.util.List;
37:
38: import org.objectweb.asm.ClassVisitor;
39: import org.objectweb.asm.tree.ClassNode;
40: import org.objectweb.asm.tree.MethodNode;
41: import org.objectweb.asm.util.TraceMethodVisitor;
42:
43: import ch3.sec2.RemoveAddZeroAdapterTest;
44:
45: /**
46: * ASM Guide example test class.
47: *
48: * @author Eric Bruneton
49: */
50: public class RemoveAddZeroTransformerTest extends
51: RemoveAddZeroAdapterTest {
52:
53: public void test() {
54: TraceMethodVisitor tmv = new TraceMethodVisitor(null);
55: MethodNode mn = new MethodNode(0, null, null, null, null);
56: mn.visitCode();
57: mn.visitVarInsn(ILOAD, 1);
58: mn.visitInsn(ICONST_0);
59: mn.visitInsn(IADD);
60: mn.visitInsn(IRETURN);
61: mn.visitMaxs(0, 0);
62: mn.visitEnd();
63: new RemoveAddZeroTransformer(null).transform(mn);
64: mn.accept(tmv);
65: checkMethod(tmv);
66: }
67:
68: @Override
69: protected ClassVisitor getClassAdapter(final ClassVisitor cv) {
70: return new ClassNode() {
71: @Override
72: public void visitEnd() {
73: for (MethodNode mn : (List<MethodNode>) methods) {
74: new RemoveAddZeroTransformer(null).transform(mn);
75: }
76: accept(cv);
77: }
78: };
79: }
80: }
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