/*
* Copyright 2016 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.profiler.instrument;
import org.junit.Before;
import org.junit.Test;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.MethodNode;
import java.lang.reflect.Method;
import java.util.List;
public class ASMMethodNodeAdapterRenameTest {
private ASMClassNodeLoader.TestClassLoader classLoader;
@Before
public void before() {
this.classLoader = ASMClassNodeLoader.getClassLoader();
}
@Test
public void rename() throws Exception {
final String targetClassName = "com.navercorp.pinpoint.profiler.instrument.mock.NormalClass";
classLoader.setTrace(false);
classLoader.setTargetClassName(targetClassName);
classLoader.setCallbackHandler(new ASMClassNodeLoader.CallbackHandler() {
@Override
public void handle(ClassNode classNode) {
List<MethodNode> methodNodes = classNode.methods;
for (MethodNode methodNode : methodNodes) {
ASMMethodNodeAdapter adapter = new ASMMethodNodeAdapter(classNode.name, methodNode);
if(!adapter.isConstructor()) {
adapter.rename(adapter.getName() + "_rename");
}
}
}
});
Class<?> clazz = classLoader.loadClass(targetClassName);
Method method = clazz.getDeclaredMethod("sum_rename", int.class);
method.invoke(clazz.newInstance(), 10);
}
}