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cxx03_test.cc
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Sat, Nov 9, 08:03

cxx03_test.cc
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#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();

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