| 1 | #include <algorithm> |
|---|---|
| 2 | #include <cassert> |
| 3 | #include <cstdint> |
| 4 | #include <cstdlib> |
| 5 | #include <cstring> |
| 6 | #include <iostream> |
| 7 | #include <limits> |
| 8 | #include <string> |
| 9 | #include <vector> |
| 10 | |
| 11 | #include "benchmark/benchmark.h" |
| 12 | |
| 13 | // Tests that we can override benchmark-spec value from FLAGS_benchmark_filter |
| 14 | // with argument to RunSpecifiedBenchmarks(...). |
| 15 | |
| 16 | namespace { |
| 17 | |
| 18 | class TestReporter : public benchmark::ConsoleReporter { |
| 19 | public: |
| 20 | bool ReportContext(const Context& context) override { |
| 21 | return ConsoleReporter::ReportContext(context); |
| 22 | }; |
| 23 | |
| 24 | void ReportRuns(const std::vector<Run>& report) override { |
| 25 | assert(report.size() == 1); |
| 26 | matched_functions.push_back(x: report[0].run_name.function_name); |
| 27 | ConsoleReporter::ReportRuns(reports: report); |
| 28 | }; |
| 29 | |
| 30 | TestReporter() {} |
| 31 | |
| 32 | ~TestReporter() override {} |
| 33 | |
| 34 | const std::vector<std::string>& GetMatchedFunctions() const { |
| 35 | return matched_functions; |
| 36 | } |
| 37 | |
| 38 | private: |
| 39 | std::vector<std::string> matched_functions; |
| 40 | }; |
| 41 | |
| 42 | } // end namespace |
| 43 | |
| 44 | static void BM_NotChosen(benchmark::State& state) { |
| 45 | assert(false && "SHOULD NOT BE CALLED"); |
| 46 | for (auto _ : state) { |
| 47 | } |
| 48 | } |
| 49 | BENCHMARK(BM_NotChosen); |
| 50 | |
| 51 | static void BM_Chosen(benchmark::State& state) { |
| 52 | for (auto _ : state) { |
| 53 | } |
| 54 | } |
| 55 | BENCHMARK(BM_Chosen); |
| 56 | |
| 57 | int main(int argc, char** argv) { |
| 58 | const std::string flag = "BM_NotChosen"; |
| 59 | |
| 60 | // Verify that argv specify --benchmark_filter=BM_NotChosen. |
| 61 | bool found = false; |
| 62 | for (int i = 0; i < argc; ++i) { |
| 63 | if (strcmp(s1: "--benchmark_filter=BM_NotChosen", s2: argv[i]) == 0) { |
| 64 | found = true; |
| 65 | break; |
| 66 | } |
| 67 | } |
| 68 | assert(found); |
| 69 | |
| 70 | benchmark::Initialize(argc: &argc, argv); |
| 71 | |
| 72 | // Check that the current flag value is reported accurately via the |
| 73 | // GetBenchmarkFilter() function. |
| 74 | if (flag != benchmark::GetBenchmarkFilter()) { |
| 75 | std::cerr |
| 76 | << "Seeing different value for flags. GetBenchmarkFilter() returns [" |
| 77 | << benchmark::GetBenchmarkFilter() << "] expected flag=["<< flag |
| 78 | << "]\n"; |
| 79 | return 1; |
| 80 | } |
| 81 | TestReporter test_reporter; |
| 82 | const char* const spec = "BM_Chosen"; |
| 83 | const size_t returned_count = |
| 84 | benchmark::RunSpecifiedBenchmarks(display_reporter: &test_reporter, spec); |
| 85 | assert(returned_count == 1); |
| 86 | const std::vector<std::string> matched_functions = |
| 87 | test_reporter.GetMatchedFunctions(); |
| 88 | assert(matched_functions.size() == 1); |
| 89 | if (strcmp(s1: spec, s2: matched_functions.front().c_str()) != 0) { |
| 90 | std::cerr << "Expected benchmark ["<< spec << "] to run, but got [" |
| 91 | << matched_functions.front() << "]\n"; |
| 92 | return 2; |
| 93 | } |
| 94 | |
| 95 | // Test that SetBenchmarkFilter works. |
| 96 | const std::string golden_value = "golden_value"; |
| 97 | benchmark::SetBenchmarkFilter(golden_value); |
| 98 | std::string current_value = benchmark::GetBenchmarkFilter(); |
| 99 | if (golden_value != current_value) { |
| 100 | std::cerr << "Expected ["<< golden_value |
| 101 | << "] for --benchmark_filter but got ["<< current_value << "]\n"; |
| 102 | return 3; |
| 103 | } |
| 104 | return 0; |
| 105 | } |
| 106 |