/*
* Copyright 2010 Henry Coles
*
* 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 org.pitest.mutationtest;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.pitest.mutationtest.engine.gregor.AbstractInsnMutator;
import org.pitest.mutationtest.engine.gregor.InsnSubstitution;
import org.pitest.mutationtest.engine.gregor.MethodInfo;
import org.pitest.mutationtest.engine.gregor.MethodMutatorFactory;
import org.pitest.mutationtest.engine.gregor.MutationContext;
import org.pitest.mutationtest.engine.gregor.ZeroOperandMutation;
public class UnviableClassMutator implements MethodMutatorFactory {
@Override
public MethodVisitor create(final MutationContext context,
final MethodInfo methodInfo, final MethodVisitor methodVisitor) {
return new UnviableClassMethodVisitor(this, methodInfo, context,
methodVisitor);
}
@Override
public String getGloballyUniqueId() {
return this.getClass().getName();
}
@Override
public String getName() {
return "UNVIABLE_CLASS_MUTATOR";
}
}
class UnviableClassMethodVisitor extends AbstractInsnMutator {
UnviableClassMethodVisitor(final MethodMutatorFactory factory,
final MethodInfo methodInfo, final MutationContext context,
final MethodVisitor writer) {
super(factory, methodInfo, context, writer);
}
@Override
protected Map<Integer, ZeroOperandMutation> getMutations() {
final Map<Integer, ZeroOperandMutation> map = new HashMap<Integer, ZeroOperandMutation>();
// map.put(Opcodes.ALOAD, new InsnSubstitution(Opcodes.TABLESWITCH,
// "Made unviable class"));
map.put(Opcodes.IRETURN, new InsnSubstitution(Opcodes.FCMPG,
"Made unviable class"));
map.put(Opcodes.RETURN, new InsnSubstitution(Opcodes.FCMPG,
"Made unviable class"));
return map;
}
}