memory_manager_test.cc
0b8971075ea9master

memory_manager_test.cc
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			#include <memory>

			#include "../src/check.h"
			#include "benchmark/benchmark.h"
			#include "output_test.h"

			class TestMemoryManager : public benchmark::MemoryManager {
			void Start() BENCHMARK_OVERRIDE {}
			void Stop(Result* result) BENCHMARK_OVERRIDE {
			result->num_allocs = 42;
			result->max_bytes_used = 42000;
			}
			};

			void BM_empty(benchmark::State& state) {
			for (auto _ : state) {
			benchmark::DoNotOptimize(state.iterations());
			}
			}
			BENCHMARK(BM_empty);

			ADD_CASES(TC_ConsoleOut, {{"^BM_empty %console_report$"}});
			ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_empty\",$"},
			{"\"family_index\": 0,$", MR_Next},
			{"\"per_family_instance_index\": 0,$", MR_Next},
			{"\"run_name\": \"BM_empty\",$", MR_Next},
			{"\"run_type\": \"iteration\",$", MR_Next},
			{"\"repetitions\": 1,$", MR_Next},
			{"\"repetition_index\": 0,$", MR_Next},
			{"\"threads\": 1,$", MR_Next},
			{"\"iterations\": %int,$", MR_Next},
			{"\"real_time\": %float,$", MR_Next},
			{"\"cpu_time\": %float,$", MR_Next},
			{"\"time_unit\": \"ns\",$", MR_Next},
			{"\"allocs_per_iter\": %float,$", MR_Next},
			{"\"max_bytes_used\": 42000$", MR_Next},
			{"}", MR_Next}});
			ADD_CASES(TC_CSVOut, {{"^\"BM_empty\",%csv_report$"}});

			int main(int argc, char* argv[]) {
			std::unique_ptr<benchmark::MemoryManager> mm(new TestMemoryManager());

			benchmark::RegisterMemoryManager(mm.get());
			RunOutputTests(argc, argv);
			benchmark::RegisterMemoryManager(nullptr);
			}