Merge branch 'main' into task/update-gtest-and-remove-warnings

.github/workflows/build-and-test-min-cmake.yml

@@ -20,7 +20,7 @@ jobs:
 
       - uses: lukka/get-cmake@latest
         with:
-          cmakeVersion: 3.10.0
+          cmakeVersion: 3.13.0
 
       - name: create build environment
         run: cmake -E make_directory ${{ runner.workspace }}/_build

CMakeLists.txt

@@ -1,5 +1,5 @@
 # Require CMake 3.10. If available, use the policies up to CMake 3.22.
-cmake_minimum_required (VERSION 3.10...3.22)
+cmake_minimum_required (VERSION 3.13...3.22)
 
 project (benchmark VERSION 1.9.0 LANGUAGES CXX)
 

MODULE.bazel

@@ -3,13 +3,13 @@ module(
     version = "1.9.0",
 )
 
-bazel_dep(name = "bazel_skylib", version = "1.5.0")
-bazel_dep(name = "platforms", version = "0.0.8")
+bazel_dep(name = "bazel_skylib", version = "1.7.1")
+bazel_dep(name = "platforms", version = "0.0.10")
 bazel_dep(name = "rules_foreign_cc", version = "0.10.1")
 bazel_dep(name = "rules_cc", version = "0.0.9")
 
-bazel_dep(name = "rules_python", version = "0.31.0", dev_dependency = True)
-bazel_dep(name = "googletest", version = "1.12.1", dev_dependency = True, repo_name = "com_google_googletest")
+bazel_dep(name = "rules_python", version = "0.37.0", dev_dependency = True)
+bazel_dep(name = "googletest", version = "1.14.0", dev_dependency = True, repo_name = "com_google_googletest")
 
 bazel_dep(name = "libpfm", version = "4.11.0")
 
@@ -38,4 +38,4 @@ use_repo(pip, "tools_pip_deps")
 
 # -- bazel_dep definitions -- #
 
-bazel_dep(name = "nanobind_bazel", version = "2.1.0", dev_dependency = True)
+bazel_dep(name = "nanobind_bazel", version = "2.2.0", dev_dependency = True)

bindings/python/google_benchmark/benchmark.cc

@@ -118,7 +118,7 @@ NB_MODULE(_benchmark, m) {
   using benchmark::Counter;
   nb::class_<Counter> py_counter(m, "Counter");
 
-  nb::enum_<Counter::Flags>(py_counter, "Flags", nb::is_arithmetic())
+  nb::enum_<Counter::Flags>(py_counter, "Flags", nb::is_arithmetic(), nb::is_flag())
       .value("kDefaults", Counter::Flags::kDefaults)
       .value("kIsRate", Counter::Flags::kIsRate)
       .value("kAvgThreads", Counter::Flags::kAvgThreads)
@@ -129,24 +129,17 @@ NB_MODULE(_benchmark, m) {
       .value("kAvgIterations", Counter::Flags::kAvgIterations)
       .value("kAvgIterationsRate", Counter::Flags::kAvgIterationsRate)
       .value("kInvert", Counter::Flags::kInvert)
-      .export_values()
-      .def("__or__", [](Counter::Flags a, Counter::Flags b) {
-        return static_cast<int>(a) | static_cast<int>(b);
-      });
+      .export_values();
 
   nb::enum_<Counter::OneK>(py_counter, "OneK")
       .value("kIs1000", Counter::OneK::kIs1000)
       .value("kIs1024", Counter::OneK::kIs1024)
       .export_values();
 
   py_counter
-      .def(
-          "__init__",
-          [](Counter* c, double value, int flags, Counter::OneK oneK) {
-            new (c) Counter(value, static_cast<Counter::Flags>(flags), oneK);
-          },
-          nb::arg("value") = 0., nb::arg("flags") = Counter::kDefaults,
-          nb::arg("k") = Counter::kIs1000)
+      .def(nb::init<double, Counter::Flags, Counter::OneK>(),
+           nb::arg("value") = 0., nb::arg("flags") = Counter::kDefaults,
+           nb::arg("k") = Counter::kIs1000)
       .def("__init__",
            ([](Counter* c, double value) { new (c) Counter(value); }))
       .def_rw("value", &Counter::value)

cmake/GoogleTest.cmake.in

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10..3.22)
+cmake_minimum_required (VERSION 3.13...3.22)
 
 project(googletest-download NONE)
 

src/benchmark.cc

@@ -668,6 +668,10 @@ void RegisterMemoryManager(MemoryManager* manager) {
 }
 
 void RegisterProfilerManager(ProfilerManager* manager) {
+  // Don't allow overwriting an existing manager.
+  if (manager != nullptr) {
+    BM_CHECK_EQ(internal::profiler_manager, nullptr);
+  }
   internal::profiler_manager = manager;
 }
 

src/colorprint.cc

@@ -135,19 +135,25 @@ void ColorPrintf(std::ostream& out, LogColor color, const char* fmt,
   // Gets the current text color.
   CONSOLE_SCREEN_BUFFER_INFO buffer_info;
   GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
-  const WORD old_color_attrs = buffer_info.wAttributes;
+  const WORD original_color_attrs = buffer_info.wAttributes;
 
   // We need to flush the stream buffers into the console before each
   // SetConsoleTextAttribute call lest it affect the text that is already
   // printed but has not yet reached the console.
   out.flush();
-  SetConsoleTextAttribute(stdout_handle,
-                          GetPlatformColorCode(color) | FOREGROUND_INTENSITY);
+
+  const WORD original_background_attrs =
+      original_color_attrs & (BACKGROUND_RED | BACKGROUND_GREEN |
+                              BACKGROUND_BLUE | BACKGROUND_INTENSITY);
+
+  SetConsoleTextAttribute(stdout_handle, GetPlatformColorCode(color) |
+                                             FOREGROUND_INTENSITY |
+                                             original_background_attrs);
   out << FormatString(fmt, args);
 
   out.flush();
-  // Restores the text color.
-  SetConsoleTextAttribute(stdout_handle, old_color_attrs);
+  // Restores the text and background color.
+  SetConsoleTextAttribute(stdout_handle, original_color_attrs);
 #else
   const char* color_code = GetPlatformColorCode(color);
   if (color_code) out << FormatString("\033[0;3%sm", color_code);

test/BUILD

@@ -10,7 +10,7 @@ platform(
 TEST_COPTS = [
     "-pedantic",
     "-pedantic-errors",
-    "-std=c++11",
+    "-std=c++14",
     "-Wall",
     "-Wconversion",
     "-Wextra",

test/CMakeLists.txt

@@ -254,6 +254,7 @@ if (BENCHMARK_ENABLE_GTEST_TESTS)
   add_gtest(perf_counters_gtest)
   add_gtest(time_unit_gtest)
   add_gtest(min_time_parse_gtest)
+  add_gtest(profiler_manager_gtest)
 endif(BENCHMARK_ENABLE_GTEST_TESTS)
 
 ###############################################################################

test/profiler_manager_gtest.cc

@@ -0,0 +1,42 @@
+#include <memory>
+
+#include "benchmark/benchmark.h"
+#include "gtest/gtest.h"
+
+namespace {
+
+class TestProfilerManager : public benchmark::ProfilerManager {
+ public:
+  void AfterSetupStart() override { ++start_called; }
+  void BeforeTeardownStop() override { ++stop_called; }
+
+  int start_called = 0;
+  int stop_called = 0;
+};
+
+void BM_empty(benchmark::State& state) {
+  for (auto _ : state) {
+    auto iterations = state.iterations();
+    benchmark::DoNotOptimize(iterations);
+  }
+}
+BENCHMARK(BM_empty);
+
+TEST(ProfilerManager, ReregisterManager) {
+#if GTEST_HAS_DEATH_TEST
+  // Tests only runnable in debug mode (when BM_CHECK is enabled).
+#ifndef NDEBUG
+#ifndef TEST_BENCHMARK_LIBRARY_HAS_NO_ASSERTIONS
+  ASSERT_DEATH_IF_SUPPORTED(
+      {
+        std::unique_ptr<TestProfilerManager> pm(new TestProfilerManager());
+        benchmark::RegisterProfilerManager(pm.get());
+        benchmark::RegisterProfilerManager(pm.get());
+      },
+      "RegisterProfilerManager");
+#endif
+#endif
+#endif
+}
+
+}  // namespace