39 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11#include <unordered_map>12 13#include "associative_container_benchmarks.h"14#include "../../GenerateInput.h"15#include "benchmark/benchmark.h"16 17template <class K, class V>18struct support::adapt_operations<std::unordered_multimap<K, V>> {19 using ValueType = typename std::unordered_multimap<K, V>::value_type;20 using KeyType = typename std::unordered_multimap<K, V>::key_type;21 static ValueType value_from_key(KeyType const& k) { return {k, Generate<V>::arbitrary()}; }22 static KeyType key_from_value(ValueType const& value) { return value.first; }23 24 using InsertionResult = typename std::unordered_multimap<K, V>::iterator;25 static auto get_iterator(InsertionResult const& result) { return result; }26 27 template <class Allocator>28 using rebind_alloc = std::unordered_multimap<K, V, std::hash<K>, std::equal_to<K>, Allocator>;29};30 31int main(int argc, char** argv) {32 support::associative_container_benchmarks<std::unordered_multimap<int, int>>("std::unordered_multimap<int, int>");33 34 benchmark::Initialize(&argc, argv);35 benchmark::RunSpecifiedBenchmarks();36 benchmark::Shutdown();37 return 0;38}39