001: /***
002: * ASM Guide
003: * Copyright (c) 2007 Eric Bruneton
004: * All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: * 1. Redistributions of source code must retain the above copyright
010: * notice, this list of conditions and the following disclaimer.
011: * 2. Redistributions in binary form must reproduce the above copyright
012: * notice, this list of conditions and the following disclaimer in the
013: * documentation and/or other materials provided with the distribution.
014: * 3. Neither the name of the copyright holders nor the names of its
015: * contributors may be used to endorse or promote products derived from
016: * this software without specific prior written permission.
017: *
018: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
020: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
021: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
022: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
023: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
024: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
025: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
026: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
027: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
028: * THE POSSIBILITY OF SUCH DAMAGE.
029: */package ch7.sec2;
030:
031: import static org.objectweb.asm.Opcodes.ACC_PUBLIC;
032: import static org.objectweb.asm.Opcodes.ALOAD;
033: import static org.objectweb.asm.Opcodes.ARETURN;
034: import static org.objectweb.asm.Opcodes.IADD;
035: import static org.objectweb.asm.Opcodes.ICONST_0;
036: import static org.objectweb.asm.Opcodes.ILOAD;
037: import static org.objectweb.asm.Opcodes.IRETURN;
038: import static org.objectweb.asm.Opcodes.ISTORE;
039:
040: import org.objectweb.asm.ClassAdapter;
041: import org.objectweb.asm.ClassVisitor;
042: import org.objectweb.asm.MethodVisitor;
043: import org.objectweb.asm.util.TraceMethodVisitor;
044:
045: import util.AbstractTestCase;
046:
047: /**
048: * ASM Guide example test class.
049: *
050: * @author Eric Bruneton
051: */
052: public class BasicVerifierAdapterTest extends AbstractTestCase {
053:
054: public void test() {
055: TraceMethodVisitor tmv = new TraceMethodVisitor(null);
056: MethodVisitor mv = new BasicVerifierAdapter("C", ACC_PUBLIC,
057: "m", "(I)I", tmv);
058: mv.visitCode();
059: mv.visitVarInsn(ILOAD, 1);
060: mv.visitInsn(ICONST_0);
061: mv.visitInsn(IADD);
062: mv.visitInsn(IRETURN);
063: mv.visitMaxs(2, 2);
064: mv.visitEnd();
065: }
066:
067: public void testError() {
068: TraceMethodVisitor tmv = new TraceMethodVisitor(null);
069: MethodVisitor mv = new BasicVerifierAdapter("C", ACC_PUBLIC,
070: "m", "(I)LC;", tmv);
071: mv.visitCode();
072: mv.visitVarInsn(ILOAD, 1);
073: mv.visitVarInsn(ISTORE, 1);
074: mv.visitVarInsn(ALOAD, 1);
075: mv.visitInsn(ARETURN);
076: mv.visitMaxs(1, 2);
077: try {
078: mv.visitEnd();
079: fail();
080: } catch (RuntimeException e) {
081: }
082: }
083:
084: @Override
085: protected ClassVisitor getClassAdapter(final ClassVisitor cv) {
086: return new ClassAdapter(cv) {
087: private String owner;
088:
089: @Override
090: public void visit(int version, int access, String name,
091: String signature, String super Name,
092: String[] interfaces) {
093: cv.visit(version, access, name, signature, super Name,
094: interfaces);
095: owner = name;
096: }
097:
098: @Override
099: public MethodVisitor visitMethod(int access, String name,
100: String desc, String signature, String[] exceptions) {
101: return new BasicVerifierAdapter(owner, access, name,
102: desc, cv.visitMethod(access, name, desc,
103: signature, exceptions));
104: }
105: };
106: }
107: }
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