/*
* 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 com.navercorp.pinpoint.profiler.instrument.interceptor.InterceptorDefinition;
import com.navercorp.pinpoint.profiler.instrument.interceptor.InterceptorDefinitionFactory;
import com.navercorp.pinpoint.profiler.instrument.mock.ApiIdAwareInterceptor;
import com.navercorp.pinpoint.profiler.instrument.mock.ArgsArrayInterceptor;
import com.navercorp.pinpoint.profiler.instrument.mock.BasicInterceptor;
import com.navercorp.pinpoint.profiler.instrument.mock.StaticInterceptor;
import com.navercorp.pinpoint.profiler.interceptor.registry.DefaultInterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.interceptor.registry.InterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.util.JavaAssistUtils;
import org.junit.Test;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.*;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
/**
* @author
*/
public class ASMMethodVariablesTest {
@Test
public void getParameterTypes() throws Exception {
final ClassNode classNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ArgsClass");
List<MethodNode> methodNodes = classNode.methods;
for (MethodNode methodNode : methodNodes) {
ASMMethodNodeAdapter methodNodeAdapter = new ASMMethodNodeAdapter(classNode.name, methodNode);
String[] parameterTypes = methodNodeAdapter.getParameterTypes();
Type[] argumentTypes = Type.getArgumentTypes(methodNode.desc);
assertEquals(parameterTypes.length, argumentTypes.length);
}
}
@Test
public void getParameterNames() throws Exception {
final ClassNode classNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ArgsClass");
List<MethodNode> methodNodes = classNode.methods;
for (MethodNode methodNode : methodNodes) {
ASMMethodNodeAdapter methodNodeAdapter = new ASMMethodNodeAdapter(classNode.name, methodNode);
String[] types = methodNodeAdapter.getParameterTypes();
String[] names = methodNodeAdapter.getParameterNames();
assertEquals(methodNode.name, types.length, names.length);
}
}
@Test
public void getReturnType() throws Exception {
final ClassNode classNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ReturnClass");
List<MethodNode> methodNodes = classNode.methods;
for (MethodNode methodNode : methodNodes) {
ASMMethodNodeAdapter methodNodeAdapter = new ASMMethodNodeAdapter(classNode.name, methodNode);
assertNotNull(methodNodeAdapter.getReturnType());
}
}
@Test
public void hasInterceptor() throws Exception {
InterceptorRegistryBinder interceptorRegistryBinder = new DefaultInterceptorRegistryBinder();
int interceptorId = interceptorRegistryBinder.getInterceptorRegistryAdaptor().addInterceptor(new ArgsArrayInterceptor());
final InterceptorDefinition interceptorDefinition = new InterceptorDefinitionFactory().createInterceptorDefinition(ArgsArrayInterceptor.class);
final ClassNode classNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ArgsClass");
List<MethodNode> methodNodes = classNode.methods;
for (MethodNode methodNode : methodNodes) {
ASMMethodNodeAdapter methodNodeAdapter = new ASMMethodNodeAdapter(classNode.name, methodNode);
assertEquals(false, methodNodeAdapter.hasInterceptor());
methodNodeAdapter.addBeforeInterceptor(interceptorId, interceptorDefinition, -1);
assertEquals(true, methodNodeAdapter.hasInterceptor());
}
}
@Test
public void initInterceptorLocalVariables() throws Exception {
MethodNode methodNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ConstructorChildClass", "<init>");
ASMMethodVariables variables = new ASMMethodVariables("com/navercorp/pinpoint/profiler/instrument/mock/ConstructorChildClass", methodNode);
assertNull(variables.getEnterInsnNode());
assertNull(variables.getEnterInsnNode());
InterceptorRegistryBinder interceptorRegistryBinder = new DefaultInterceptorRegistryBinder();
int interceptorId = interceptorRegistryBinder.getInterceptorRegistryAdaptor().addInterceptor(new ArgsArrayInterceptor());
final InterceptorDefinition interceptorDefinition = new InterceptorDefinitionFactory().createInterceptorDefinition(ArgsArrayInterceptor.class);
InsnList instructions = new InsnList();
boolean first = variables.initInterceptorLocalVariables(instructions, interceptorId, interceptorDefinition, -1);
assertEquals(true, first);
assertNotNull(variables.getEnterInsnNode());
assertNotNull(variables.getEnterInsnNode());
}
@Test
public void findInitConstructorInstruction() throws Exception {
MethodNode methodNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.AbstractClass", "<init>");
ASMMethodVariables variables = new ASMMethodVariables("com/navercorp/pinpoint/profiler/instrument/mock/AbstractClass", methodNode);
AbstractInsnNode instruction = variables.findInitConstructorInstruction();
assertEquals(7, methodNode.instructions.indexOf(instruction));
}
@Test
public void getInterceptorParameterCount() throws Exception {
MethodNode methodNode = ASMClassNodeLoader.get("com.navercorp.pinpoint.profiler.instrument.mock.ConstructorChildClass", "<init>");
ASMMethodVariables variables = new ASMMethodVariables("com/navercorp/pinpoint/profiler/instrument/mock/ConstructorChildClass", methodNode);
assertEquals(1, variables.getInterceptorParameterCount(new InterceptorDefinitionFactory().createInterceptorDefinition(ArgsArrayInterceptor.class)));
assertEquals(4, variables.getInterceptorParameterCount(new InterceptorDefinitionFactory().createInterceptorDefinition(StaticInterceptor.class)));
assertEquals(2, variables.getInterceptorParameterCount(new InterceptorDefinitionFactory().createInterceptorDefinition(ApiIdAwareInterceptor.class)));
assertEquals(5, variables.getInterceptorParameterCount(new InterceptorDefinitionFactory().createInterceptorDefinition(BasicInterceptor.class)));
}
@Test
public void initLocalVariables() throws Exception {
final String className = "com.navercorp.pinpoint.profiler.instrument.mock.ArgsClass";
final MethodNode methodNode = ASMClassNodeLoader.get(className, "argByteType");
String[] exceptions = null;
if (methodNode.exceptions != null) {
exceptions = methodNode.exceptions.toArray(new String[methodNode.exceptions.size()]);
}
final ASMMethodNodeAdapter methodNodeAdapter = new ASMMethodNodeAdapter("foo", new MethodNode(methodNode.access, methodNode.name, methodNode.desc, methodNode.signature, exceptions));
ASMMethodVariables variables = new ASMMethodVariables(JavaAssistUtils.javaNameToJvmName(className), methodNodeAdapter.getMethodNode());
assertEquals(0, variables.getLocalVariables().size());
InsnList instructions = new InsnList();
variables.initLocalVariables(instructions);
assertEquals(2, variables.getLocalVariables().size());
assertEquals("this", variables.getLocalVariables().get(0).name);
assertEquals("Lcom/navercorp/pinpoint/profiler/instrument/mock/ArgsClass;", variables.getLocalVariables().get(0).desc);
assertEquals("byte", variables.getLocalVariables().get(1).name);
assertEquals("B", variables.getLocalVariables().get(1).desc);
}
}