summaryrefslogtreecommitdiffstats
path: root/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc
diff options
context:
space:
mode:
authorpatrick <patrick@openbsd.org>2021-01-02 20:29:13 +0000
committerpatrick <patrick@openbsd.org>2021-01-02 20:29:13 +0000
commit46035553bfdd96e63c94e32da0210227ec2e3cf1 (patch)
treeb191f708fb9a2995ba745b2f31cdeeaee4872b7f /gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc
parentMove Makefiles for libc++ and libc++abi to gnu/lib in preparation for an (diff)
downloadwireguard-openbsd-46035553bfdd96e63c94e32da0210227ec2e3cf1.tar.xz
wireguard-openbsd-46035553bfdd96e63c94e32da0210227ec2e3cf1.zip
Import libc++ 10.0.1 release.
Diffstat (limited to 'gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc')
-rw-r--r--gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc63
1 files changed, 63 insertions, 0 deletions
diff --git a/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc b/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc
new file mode 100644
index 00000000000..baa9ed9262b
--- /dev/null
+++ b/gnu/llvm/libcxx/utils/google-benchmark/test/cxx03_test.cc
@@ -0,0 +1,63 @@
+#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 std::size_t 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();