/***
* ASM Guide
* Copyright (c) 2007 Eric Bruneton
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package ch3.sec2;
import static org.objectweb.asm.Opcodes.IADD;
import static org.objectweb.asm.Opcodes.ICONST_0;
import static org.objectweb.asm.Opcodes.ILOAD;
import static org.objectweb.asm.Opcodes.IRETURN;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.util.TraceMethodVisitor;
import util.AbstractTestCase;
/**
* ASM Guide example test class.
*
* @author Eric Bruneton
*/
public class RemoveAddZeroAdapterTest extends AbstractTestCase {
public void test() {
TraceMethodVisitor tmv = new TraceMethodVisitor(null);
MethodVisitor mv = new RemoveAddZeroAdapter(tmv);
mv.visitCode();
mv.visitVarInsn(ILOAD, 1);
mv.visitInsn(ICONST_0);
mv.visitInsn(IADD);
mv.visitInsn(IRETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
checkMethod(tmv);
}
protected void checkMethod(TraceMethodVisitor tmv) {
TraceMethodVisitor mv = new TraceMethodVisitor(null);
mv.visitCode();
mv.visitVarInsn(ILOAD, 1);
mv.visitInsn(IRETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
assertEquals(mv, tmv);
}
@Override
protected ClassVisitor getClassAdapter(ClassVisitor cv) {
return new ClassAdapter(cv) {
@Override
public MethodVisitor visitMethod(int access, String name,
String desc, String signature, String[] exceptions) {
return new RemoveAddZeroAdapter(cv.visitMethod(access, name,
desc, signature, exceptions));
}
};
}
}