Method fuzz

fuzzing/bb_fuzzer.cpp:194–247

  }

  void fuzz()
  {
    size_t num_operations = fuzz_data_.ConsumeIntegralInRange<size_t>(50, 200);

    for(size_t i = 0; i < num_operations && !blackboards_.empty(); ++i)
    {
      try
      {
        // Randomly select a blackboard to operate on
        size_t bb_idx =
            fuzz_data_.ConsumeIntegralInRange<size_t>(0, blackboards_.size() - 1);
        auto bb = blackboards_[bb_idx];

        switch(fuzz_data_.ConsumeIntegralInRange<size_t>(0, 3))
        {
          case 0:
            // Fuzz single blackboard operations
            fuzzSingleBB(bb);
            break;

          case 1:
            // Create new blackboards in hierarchy
            if(fuzz_data_.ConsumeBool())
            {
              createBlackboardHierarchy();
            }
            break;

          case 2:
            // JSON operations
            fuzzJsonOperations(bb);
            break;

          case 3:
            // Cleanup operations
            if(fuzz_data_.ConsumeBool() && blackboards_.size() > 1)
            {
              size_t remove_idx =
                  fuzz_data_.ConsumeIntegralInRange<size_t>(0, blackboards_.size() - 1);
              blackboards_.erase(blackboards_.begin() + remove_idx);
            }
            break;
        }
      }
      catch(const std::exception& e)
      {
        if(!ExceptionFilter::isExpectedException(e))
        {
          std::cerr << "Unexpected exception: " << e.what() << std::endl;
          throw;
        }
      }
    }
  }
};

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)