projects/java-example/ExampleFuzzer.java

// Copyright 2021 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////

import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import java.security.SecureRandom;

public class ExampleFuzzer {
  public static void fuzzerInitialize() {
    // Optional initialization to be run before the first call to fuzzerTestOneInput.
  }

  public static boolean fuzzerTestOneInput(FuzzedDataProvider data) {
    String input = data.consumeRemainingAsString();
    long random = 123123132;
    if (input.startsWith("magicstring" + random) && input.length() > 30
        && input.charAt(25) == 'C') {
      return true;
    }
    return false;
  }
}