chromium/third_party/fuzztest/src/fuzztest/internal/domains/map_impl.h

// Copyright 2022 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.

#ifndef FUZZTEST_FUZZTEST_INTERNAL_DOMAINS_MAP_IMPL_H_
#define FUZZTEST_FUZZTEST_INTERNAL_DOMAINS_MAP_IMPL_H_

#include <functional>
#include <optional>
#include <tuple>
#include <type_traits>

#include "absl/random/bit_gen_ref.h"
#include "absl/status/status.h"
#include "absl/strings/string_view.h"
#include "./fuzztest/internal/domains/domain_base.h"
#include "./fuzztest/internal/domains/serialization_helpers.h"
#include "./fuzztest/internal/meta.h"
#include "./fuzztest/internal/serialization.h"
#include "./fuzztest/internal/status.h"
#include "./fuzztest/internal/type_support.h"

namespace fuzztest::internal {

template <typename Mapper, typename... Inner>
class MapImpl
    : public domain_implementor::DomainBase<
          MapImpl<Mapper, Inner...>,
          std::decay_t<std::invoke_result_t<Mapper, value_type_t<Inner>...>>,
          std::tuple<corpus_type_t<Inner>...>> { … };

template <typename Mapper, typename InvMapper, typename... Inner>
class ReversibleMapImpl
    : public domain_implementor::DomainBase<
          ReversibleMapImpl<Mapper, InvMapper, Inner...>,
          std::decay_t<std::invoke_result_t<Mapper, value_type_t<Inner>...>>,
          std::tuple<corpus_type_t<Inner>...>> { … };

template <int&... ExplicitArgumentBarrier, typename Mapper, typename... Inner>
auto NamedMap(absl::string_view name, Mapper mapper, Inner... inner) { … }

}  // namespace fuzztest::internal

#endif  // FUZZTEST_FUZZTEST_INTERNAL_DOMAINS_MAP_IMPL_H_