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