| #undef NDEBUG |
| #include <cassert> |
| #include <cstddef> |
| |
| #include "benchmark/benchmark.h" |
| |
| #if __cplusplus >= 201103L |
| #error C++11 or greater detected. Should be C++03. |
| #endif |
| |
| #ifdef BENCHMARK_HAS_CXX11 |
| #error C++11 or greater detected by the library. BENCHMARK_HAS_CXX11 is defined. |
| #endif |
| |
| void BM_empty(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| volatile benchmark::IterationCount x = state.iterations(); |
| ((void)x); |
| } |
| } |
| BENCHMARK(BM_empty); |
| |
| // The new C++11 interface for args/ranges requires initializer list support. |
| // Therefore we provide the old interface to support C++03. |
| void BM_old_arg_range_interface(benchmark::State& state) { |
| assert((state.range(0) == 1 && state.range(1) == 2) || |
| (state.range(0) == 5 && state.range(1) == 6)); |
| while (state.KeepRunning()) { |
| } |
| } |
| BENCHMARK(BM_old_arg_range_interface)->ArgPair(1, 2)->RangePair(5, 5, 6, 6); |
| |
| template <class T, class U> |
| void BM_template2(benchmark::State& state) { |
| BM_empty(state); |
| } |
| BENCHMARK_TEMPLATE2(BM_template2, int, long); |
| |
| template <class T> |
| void BM_template1(benchmark::State& state) { |
| BM_empty(state); |
| } |
| BENCHMARK_TEMPLATE(BM_template1, long); |
| BENCHMARK_TEMPLATE1(BM_template1, int); |
| |
| template <class T> |
| struct BM_Fixture : public ::benchmark::Fixture {}; |
| |
| BENCHMARK_TEMPLATE_F(BM_Fixture, BM_template1, long)(benchmark::State& state) { |
| BM_empty(state); |
| } |
| BENCHMARK_TEMPLATE1_F(BM_Fixture, BM_template2, int)(benchmark::State& state) { |
| BM_empty(state); |
| } |
| |
| void BM_counters(benchmark::State& state) { |
| BM_empty(state); |
| state.counters["Foo"] = 2; |
| } |
| BENCHMARK(BM_counters); |
| |
| BENCHMARK_MAIN(); |