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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11#include <unordered_set>
12#include <utility>
13
14#include "associative_container_benchmarks.h"
15#include "benchmark/benchmark.h"
16
17template <class K>
18struct support::adapt_operations<std::unordered_set<K>> {
19 using ValueType = typename std::unordered_set<K>::value_type;
20 using KeyType = typename std::unordered_set<K>::key_type;
21 static ValueType value_from_key(KeyType const& k) { return k; }
22 static KeyType key_from_value(ValueType const& value) { return value; }
23
24 using InsertionResult = std::pair<typename std::unordered_set<K>::iterator, bool>;
25 static auto get_iterator(InsertionResult const& result) { return result.first; }
26};
27
28int main(int argc, char** argv) {
29 support::associative_container_benchmarks<std::unordered_set<int>>("std::unordered_set<int>");
30
31 benchmark::Initialize(&argc, argv);
32 benchmark::RunSpecifiedBenchmarks();
33 benchmark::Shutdown();
34 return 0;
35}
36

source code of libcxx/test/benchmarks/containers/associative/unordered_set.bench.cpp