libcxx/utils/google-benchmark/test/cxx03_test.cc

#include <cstddef>

#include "benchmark/benchmark.h"

#if __cplusplus >= 201103L
#error C++11 or greater detected. Should be C++03.
#endif

void BM_empty(benchmark::State& state) {
    while (state.KeepRunning()) {
        volatile std::size_t x = state.iterations();
        ((void)x);
    }
}
BENCHMARK(BM_empty);

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);

BENCHMARK_MAIN()