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Merged
merged 1 commit into from
Mar 17, 2025
Merged

feat: add support for fixtures #7

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65 changes: 65 additions & 0 deletions examples/google_benchmark/fixture_bench.hpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
// See docs:
// https://github.com/google/benchmark/blob/main/docs/user_guide.md#fixtures

#ifndef FIXTURE_BENCH_HPP
#define FIXTURE_BENCH_HPP


#include <benchmark/benchmark.h>

namespace example_namespace {

class MyFixture : public benchmark::Fixture {
public:
void SetUp(::benchmark::State &state) {}

void TearDown(::benchmark::State &state) {}
};
BENCHMARK_F(MyFixture, FooTest)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_DEFINE_F(MyFixture, BarTest)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_REGISTER_F(MyFixture, BarTest);

//
//

template <typename T> class MyTemplatedFixture : public benchmark::Fixture {};
BENCHMARK_TEMPLATE_F(MyTemplatedFixture, IntTest, int)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_TEMPLATE_DEFINE_F(MyTemplatedFixture, DoubleTest,
double)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_REGISTER_F(MyTemplatedFixture, DoubleTest);

//
//

template <typename T> class MyTemplate1 : public benchmark::Fixture {};
BENCHMARK_TEMPLATE1_DEFINE_F(MyTemplate1, TestA, int)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_REGISTER_F(MyTemplate1, TestA);

//
//

template <typename T, typename U> class MyTemplate2 : public benchmark::Fixture {};
BENCHMARK_TEMPLATE2_DEFINE_F(MyTemplate2, TestB, int, double)(benchmark::State &st) {
for (auto _ : st) {
}
}
BENCHMARK_REGISTER_F(MyTemplate2, TestB);

}

#endif
1 change: 1 addition & 0 deletions examples/google_benchmark/main.cpp
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#include "fixture_bench.hpp"
#include "template_bench.hpp"
#include <benchmark/benchmark.h>
#include <cstring>
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59 changes: 58 additions & 1 deletion google_benchmark/include/benchmark/benchmark.h
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Expand Up @@ -1447,6 +1447,7 @@ class Fixture : public internal::Benchmark {
std::filesystem::relative(__FILE__, CODSPEED_GIT_ROOT_DIR).string() + "::"
#define NAMESPACE \
(([]() { return extract_lambda_namespace(__PRETTY_FUNCTION__); })())
#define STATIC_NAMESPACE_STRING(name) static std::string name = NAMESPACE;

#define FILE_AND_NAMESPACE CUR_FILE + NAMESPACE

Expand Down Expand Up @@ -1581,6 +1582,62 @@ class Fixture : public internal::Benchmark {
[](::benchmark::State& st) { func<a, b>(st, __VA_ARGS__); })))
#endif

#ifdef CODSPEED_ENABLED

#define BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
STATIC_NAMESPACE_STRING(ns_##BaseClass##_##Method); \
class BaseClass##_##Method##_Benchmark : public BaseClass { \
public: \
BaseClass##_##Method##_Benchmark() { \
this->SetName(CUR_FILE + ns_##BaseClass##_##Method + \
#Method "[" #BaseClass "]"); \
} \
\
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};

#define BENCHMARK_TEMPLATE1_PRIVATE_DECLARE_F(BaseClass, Method, a) \
STATIC_NAMESPACE_STRING(ns_##BaseClass##_##Method); \
class BaseClass##_##Method##_Benchmark : public BaseClass<a> { \
public: \
BaseClass##_##Method##_Benchmark() { \
this->SetName(CUR_FILE + ns_##BaseClass##_##Method + \
#Method "[" #BaseClass ", " #a "]"); \
} \
\
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};

#define BENCHMARK_TEMPLATE2_PRIVATE_DECLARE_F(BaseClass, Method, a, b) \
STATIC_NAMESPACE_STRING(ns_##BaseClass##_##Method); \
class BaseClass##_##Method##_Benchmark : public BaseClass<a, b> { \
public: \
BaseClass##_##Method##_Benchmark() { \
this->SetName(CUR_FILE + ns_##BaseClass##_##Method + \
#Method "[" #BaseClass ", " #a ", " #b "]"); \
} \
\
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};

#define BENCHMARK_TEMPLATE_PRIVATE_DECLARE_F(BaseClass, Method, ...) \
STATIC_NAMESPACE_STRING(ns_##BaseClass##_##Method); \
class BaseClass##_##Method##_Benchmark : public BaseClass<__VA_ARGS__> { \
public: \
BaseClass##_##Method##_Benchmark() { \
this->SetName(CUR_FILE + ns_##BaseClass##_##Method + \
#Method "[" #BaseClass ", " #__VA_ARGS__ "]"); \
} \
\
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};

#else // CODSPEED_ENABLED undefined:

#define BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
class BaseClass##_##Method##_Benchmark : public BaseClass { \
public: \
Expand All @@ -1602,7 +1659,6 @@ class Fixture : public internal::Benchmark {
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};

#define BENCHMARK_TEMPLATE2_PRIVATE_DECLARE_F(BaseClass, Method, a, b) \
class BaseClass##_##Method##_Benchmark : public BaseClass<a, b> { \
public: \
Expand All @@ -1624,6 +1680,7 @@ class Fixture : public internal::Benchmark {
protected: \
void BenchmarkCase(::benchmark::State&) override; \
};
#endif

#define BENCHMARK_DEFINE_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
Expand Down