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1#include <memory>2 3#include "../src/check.h"4#include "benchmark/benchmark.h"5#include "output_test.h"6 7class TestMemoryManager : public benchmark::MemoryManager {8 void Start() override {}9 void Stop(Result& result) override {10 result.num_allocs = 42;11 result.max_bytes_used = 42000;12 }13};14 15void BM_empty(benchmark::State& state) {16 for (auto _ : state) {17 auto iterations = double(state.iterations()) * double(state.iterations());18 benchmark::DoNotOptimize(iterations);19 }20}21BENCHMARK(BM_empty);22 23ADD_CASES(TC_ConsoleOut, {{"^BM_empty %console_report$"}});24ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_empty\",$"},25 {"\"family_index\": 0,$", MR_Next},26 {"\"per_family_instance_index\": 0,$", MR_Next},27 {"\"run_name\": \"BM_empty\",$", MR_Next},28 {"\"run_type\": \"iteration\",$", MR_Next},29 {"\"repetitions\": 1,$", MR_Next},30 {"\"repetition_index\": 0,$", MR_Next},31 {"\"threads\": 1,$", MR_Next},32 {"\"iterations\": %int,$", MR_Next},33 {"\"real_time\": %float,$", MR_Next},34 {"\"cpu_time\": %float,$", MR_Next},35 {"\"time_unit\": \"ns\",$", MR_Next},36 {"\"allocs_per_iter\": %float,$", MR_Next},37 {"\"max_bytes_used\": 42000$", MR_Next},38 {"}", MR_Next}});39ADD_CASES(TC_CSVOut, {{"^\"BM_empty\",%csv_report$"}});40 41int main(int argc, char* argv[]) {42 std::unique_ptr<benchmark::MemoryManager> mm(new TestMemoryManager());43 44 benchmark::RegisterMemoryManager(mm.get());45 RunOutputTests(argc, argv);46 benchmark::RegisterMemoryManager(nullptr);47}48