chromium/third_party/abseil-cpp/absl/container/internal/hash_function_defaults_test.cc

// Copyright 2018 The Abseil 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.

#include "absl/container/internal/hash_function_defaults.h"

#include <cstddef>
#include <functional>
#include <type_traits>
#include <utility>

#include "gtest/gtest.h"
#include "absl/container/flat_hash_map.h"
#include "absl/container/flat_hash_set.h"
#include "absl/hash/hash.h"
#include "absl/random/random.h"
#include "absl/strings/cord.h"
#include "absl/strings/cord_test_helpers.h"
#include "absl/strings/string_view.h"

#ifdef ABSL_HAVE_STD_STRING_VIEW
#include <string_view>
#endif

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace container_internal {
namespace …  // namespace
}  // namespace container_internal
ABSL_NAMESPACE_END
}  // namespace absl

enum Hash : size_t { … };

// H is a bitmask of Hash enumerations.
// Hashable<H> is hashable via all means specified in H.
template <int H>
struct Hashable { … };

namespace std {
hash<Hashable<H>>;
}  // namespace std

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace container_internal {
namespace {

template <class T>
size_t Hash(const T& v) { … }

TEST(Delegate, HashDispatch) { … }

}  // namespace
}  // namespace container_internal
ABSL_NAMESPACE_END
}  // namespace absl