google--benchmark/test/templated_fixture_test.cc

#include <cassert>
#include <memory>

#include "benchmark/benchmark_api.h"
#include "benchmark/registration.h"
#include "benchmark/state.h"

template <typename T>
class MyFixture : public ::benchmark::Fixture {
 public:
  MyFixture() : data(0) {}

  T data;
};

BENCHMARK_TEMPLATE_F(MyFixture, Foo, int)(benchmark::State& st) {
  for (auto _ : st) {
    data += 1;
  }
}

BENCHMARK_TEMPLATE_DEFINE_F(MyFixture, Bar, double)(benchmark::State& st) {
  for (auto _ : st) {
    data += 1.0;
  }
}
BENCHMARK_REGISTER_F(MyFixture, Bar);

BENCHMARK_MAIN();