fuzzing.h

// Copyright 2023 The Pigweed Authors
//
// 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
//
//     https://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.
#pragma once
 
#include <cstddef>
 
#include "pw_allocator/allocator.h"
#include "pw_allocator/test_harness.h"
#include "pw_fuzzer/fuzztest.h"
 
namespace pw::allocator::test {
 
fuzzer::Domain<Request> ArbitraryRequest(size_t max_size);
 
template <size_t kMaxRequests, size_t kMaxSize>
auto ArbitraryRequests() {
  return fuzzer::VectorOf<kMaxRequests>(ArbitraryRequest(kMaxSize));
}
 
// }
template <size_t kIndex, typename... Args>
Request MakeRequest(Args... args) {
  if constexpr (kIndex == 0) {
    return AllocationRequest{static_cast<size_t>(args)...};
  }
  if constexpr (kIndex == 1) {
    return DeallocationRequest{static_cast<size_t>(args)...};
  }
  if constexpr (kIndex == 2) {
    return ReallocationRequest{static_cast<size_t>(args)...};
  }
  return Request();
}
 
inline constexpr size_t kMaxRequests = 256;
inline constexpr size_t kMaxSize = 2048;
 
inline auto DefaultArbitraryRequests() {
  return pw::allocator::test::ArbitraryRequests<kMaxRequests, kMaxSize>();
}
 
}  // namespace pw::allocator::test