org.pitest.mutationtest.UnviableClassMutator.java Source code

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Here is the source code for org.pitest.mutationtest.UnviableClassMutator.java

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/*
 * 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 {

    public MethodVisitor create(final MutationContext context, final MethodInfo methodInfo,
            final MethodVisitor methodVisitor) {
        return new UnviableClassMethodVisitor(this, methodInfo, context, methodVisitor);
    }

    public String getGloballyUniqueId() {
        return this.getClass().getName();
    }

    public String getName() {
        return "UNVIABLE_CLASS_MUTATOR";
    }

}

class UnviableClassMethodVisitor extends AbstractInsnMutator {

    public 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;
    }

}