| 1 | #undef NDEBUG |
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| 2 | #include <cassert> |
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| 3 | #include <cstddef> |
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| 4 | |
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| 5 | #include "benchmark/benchmark.h" |
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| 6 | |
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| 7 | #if __cplusplus >= 201103L |
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| 8 | #error C++11 or greater detected. Should be C++03. |
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| 9 | #endif |
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| 10 | |
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| 11 | #ifdef BENCHMARK_HAS_CXX11 |
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| 12 | #error C++11 or greater detected by the library. BENCHMARK_HAS_CXX11 is defined. |
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| 13 | #endif |
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| 14 | |
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| 15 | void BM_empty(benchmark::State& state) { |
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| 16 | while (state.KeepRunning()) { |
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| 17 | volatile benchmark::IterationCount x = state.iterations(); |
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| 18 | ((void)x); |
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| 19 | } |
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| 20 | } |
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| 21 | BENCHMARK(BM_empty); |
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| 22 | |
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| 23 | // The new C++11 interface for args/ranges requires initializer list support. |
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| 24 | // Therefore we provide the old interface to support C++03. |
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| 25 | void BM_old_arg_range_interface(benchmark::State& state) { |
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| 26 | assert((state.range(0) == 1 && state.range(1) == 2) || |
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| 27 | (state.range(0) == 5 && state.range(1) == 6)); |
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| 28 | while (state.KeepRunning()) { |
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| 29 | } |
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| 30 | } |
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| 31 | BENCHMARK(BM_old_arg_range_interface)->ArgPair(x: 1, y: 2)->RangePair(lo1: 5, hi1: 5, lo2: 6, hi2: 6); |
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| 32 | |
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| 33 | template <class T, class U> |
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| 34 | void BM_template2(benchmark::State& state) { |
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| 35 | BM_empty(state); |
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| 36 | } |
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| 37 | BENCHMARK_TEMPLATE2(BM_template2, int, long); |
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| 38 | |
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| 39 | template <class T> |
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| 40 | void BM_template1(benchmark::State& state) { |
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| 41 | BM_empty(state); |
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| 42 | } |
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| 43 | BENCHMARK_TEMPLATE(BM_template1, long); |
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| 44 | BENCHMARK_TEMPLATE1(BM_template1, int); |
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| 45 | |
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| 46 | template <class T> |
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| 47 | struct BM_Fixture : public ::benchmark::Fixture {}; |
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| 48 | |
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| 49 | BENCHMARK_TEMPLATE_F(BM_Fixture, BM_template1, long)(benchmark::State& state) { |
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| 50 | BM_empty(state); |
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| 51 | } |
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| 52 | BENCHMARK_TEMPLATE1_F(BM_Fixture, BM_template2, int)(benchmark::State& state) { |
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| 53 | BM_empty(state); |
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| 54 | } |
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| 55 | |
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| 56 | void BM_counters(benchmark::State& state) { |
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| 57 | BM_empty(state); |
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| 58 | state.counters["Foo" ] = 2; |
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| 59 | } |
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| 60 | BENCHMARK(BM_counters); |
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| 61 | |
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| 62 | BENCHMARK_MAIN(); |
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| 63 | |
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