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| // Testing:
// State::PauseTiming()
// State::ResumeTiming()
// Test that CHECK's within these function diagnose when they are called
// outside of the KeepRunning() loop.
//
// NOTE: Users should NOT include or use src/check.h. This is only done in
// order to test library internals.
#include <cstdlib>
#include <stdexcept>
#include "../src/check.h"
#include "benchmark/benchmark.h"
#if defined(__GNUC__) && !defined(__EXCEPTIONS)
#define TEST_HAS_NO_EXCEPTIONS
#endif
void TestHandler() {
#ifndef TEST_HAS_NO_EXCEPTIONS
throw std::logic_error("");
#else
std::abort();
#endif
}
void try_invalid_pause_resume(benchmark::State& state) {
#if !defined(TEST_BENCHMARK_LIBRARY_HAS_NO_ASSERTIONS) && !defined(TEST_HAS_NO_EXCEPTIONS)
try {
state.PauseTiming();
std::abort();
} catch (std::logic_error const&) {
}
try {
state.ResumeTiming();
std::abort();
} catch (std::logic_error const&) {
}
#else
(void)state; // avoid unused warning
#endif
}
void BM_diagnostic_test(benchmark::State& state) {
static bool called_once = false;
if (called_once == false) try_invalid_pause_resume(state);
for (auto _ : state) {
benchmark::DoNotOptimize(state.iterations());
}
if (called_once == false) try_invalid_pause_resume(state);
called_once = true;
}
BENCHMARK(BM_diagnostic_test);
void BM_diagnostic_test_keep_running(benchmark::State& state) {
static bool called_once = false;
if (called_once == false) try_invalid_pause_resume(state);
while(state.KeepRunning()) {
benchmark::DoNotOptimize(state.iterations());
}
if (called_once == false) try_invalid_pause_resume(state);
called_once = true;
}
BENCHMARK(BM_diagnostic_test_keep_running);
int main(int argc, char* argv[]) {
benchmark::internal::GetAbortHandler() = &TestHandler;
benchmark::Initialize(&argc, argv);
benchmark::RunSpecifiedBenchmarks();
}
|