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author | 2021-01-02 20:29:13 +0000 | |
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committer | 2021-01-02 20:29:13 +0000 | |
commit | 46035553bfdd96e63c94e32da0210227ec2e3cf1 (patch) | |
tree | b191f708fb9a2995ba745b2f31cdeeaee4872b7f /gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc | |
parent | Move Makefiles for libc++ and libc++abi to gnu/lib in preparation for an (diff) | |
download | wireguard-openbsd-46035553bfdd96e63c94e32da0210227ec2e3cf1.tar.xz wireguard-openbsd-46035553bfdd96e63c94e32da0210227ec2e3cf1.zip |
Import libc++ 10.0.1 release.
Diffstat (limited to 'gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc')
-rw-r--r-- | gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc b/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc new file mode 100644 index 00000000000..baa9ed9262b --- /dev/null +++ b/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc @@ -0,0 +1,63 @@ +#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 std::size_t 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(); |