examples/junit/src/test/java/com/example/CorpusDirectoryFuzzTest.java


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// Copyright 2023 Code Intelligence GmbH
//
// 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.example;

import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import com.code_intelligence.jazzer.api.FuzzerSecurityIssueMedium;
import com.code_intelligence.jazzer.junit.FuzzTest;

public class CorpusDirectoryFuzzTest {
  private static int invocations = 0;

  @FuzzTest(maxDuration = "5s")
  public void corpusDirectoryFuzz(FuzzedDataProvider data) {
    // Throw on the third invocation to generate corpus entries.
    if (data.remainingBytes() == 0) {
      return;
    }
    // Add a few branch statements to generate different coverage.
    switch (invocations) {
      case 0:
        invocations++;
        break;
      case 1:
        invocations++;
        break;
      case 2:
        invocations++;
        break;
      case 3:
        throw new FuzzerSecurityIssueMedium();
    }
  }
}