xref: /aosp_15_r20/external/google-benchmark/test/profiler_manager_test.cc (revision dbb99499c3810fa1611fa2242a2fc446be01a57c)
1 // FIXME: WIP
2 
3 #include <memory>
4 
5 #include "benchmark/benchmark.h"
6 #include "output_test.h"
7 
8 class TestProfilerManager : public benchmark::ProfilerManager {
9  public:
AfterSetupStart()10   void AfterSetupStart() override { ++start_called; }
BeforeTeardownStop()11   void BeforeTeardownStop() override { ++stop_called; }
12 
13   int start_called = 0;
14   int stop_called = 0;
15 };
16 
BM_empty(benchmark::State & state)17 void BM_empty(benchmark::State& state) {
18   for (auto _ : state) {
19     auto iterations = state.iterations();
20     benchmark::DoNotOptimize(iterations);
21   }
22 }
23 BENCHMARK(BM_empty);
24 
25 ADD_CASES(TC_ConsoleOut, {{"^BM_empty %console_report$"}});
26 ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_empty\",$"},
27                        {"\"family_index\": 0,$", MR_Next},
28                        {"\"per_family_instance_index\": 0,$", MR_Next},
29                        {"\"run_name\": \"BM_empty\",$", MR_Next},
30                        {"\"run_type\": \"iteration\",$", MR_Next},
31                        {"\"repetitions\": 1,$", MR_Next},
32                        {"\"repetition_index\": 0,$", MR_Next},
33                        {"\"threads\": 1,$", MR_Next},
34                        {"\"iterations\": %int,$", MR_Next},
35                        {"\"real_time\": %float,$", MR_Next},
36                        {"\"cpu_time\": %float,$", MR_Next},
37                        {"\"time_unit\": \"ns\"$", MR_Next},
38                        {"}", MR_Next}});
39 ADD_CASES(TC_CSVOut, {{"^\"BM_empty\",%csv_report$"}});
40 
main(int argc,char * argv[])41 int main(int argc, char* argv[]) {
42   std::unique_ptr<TestProfilerManager> pm(new TestProfilerManager());
43 
44   benchmark::RegisterProfilerManager(pm.get());
45   RunOutputTests(argc, argv);
46   benchmark::RegisterProfilerManager(nullptr);
47 
48   assert(pm->start_called == 1);
49   assert(pm->stop_called == 1);
50 }
51