diff options
Diffstat (limited to 'third-party/benchmark/test/diagnostics_test.cc')
-rw-r--r-- | third-party/benchmark/test/diagnostics_test.cc | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/third-party/benchmark/test/diagnostics_test.cc b/third-party/benchmark/test/diagnostics_test.cc new file mode 100644 index 000000000000..dd64a3365531 --- /dev/null +++ b/third-party/benchmark/test/diagnostics_test.cc @@ -0,0 +1,80 @@ +// 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(); +} |