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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package dexfuzz.fuzzers;
     18 
     19 import dexfuzz.Options;
     20 import dexfuzz.listeners.BaseListener;
     21 
     22 /**
     23  * Superclass for fuzzing strategies that perform multiple fuzzes, and want
     24  * their inputs to come from the input list in a round-robin fashion.
     25  */
     26 public abstract class FuzzerMultiple extends Fuzzer {
     27   protected int iterations;
     28 
     29   protected FuzzerMultiple(BaseListener listener) {
     30     super(listener);
     31   }
     32 
     33   @Override
     34   protected String getNextInputFilename() {
     35     String inputFile = Options.inputFileList.get(0);
     36     if (Options.inputFileList.size() > 1) {
     37       int nextIndex = iterations % Options.inputFileList.size();
     38       inputFile = Options.inputFileList.get(nextIndex);
     39     }
     40     listener.handleFuzzingFile(inputFile);
     41     return inputFile;
     42   }
     43 }
     44