WhisperCom/include/internal/benchmark/detail/catch_complete_invoke.hpp
Dominik Meyer 9266232d41 Squashed 'libs/Catch2/' content from commit a05a54ec
git-subtree-dir: libs/Catch2
git-subtree-split: a05a54ec25d2854b27afd38afa605fa6e3a36430
2021-08-19 17:00:44 +02:00

69 lines
2.5 KiB
C++

/*
* Created by Joachim on 16/04/2019.
* Adapted from donated nonius code.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
// Invoke with a special case for void
#ifndef TWOBLUECUBES_CATCH_DETAIL_COMPLETE_INVOKE_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_DETAIL_COMPLETE_INVOKE_HPP_INCLUDED
#include "../../catch_enforce.h"
#include "../../catch_meta.hpp"
#include <type_traits>
#include <utility>
namespace Catch {
namespace Benchmark {
namespace Detail {
template <typename T>
struct CompleteType { using type = T; };
template <>
struct CompleteType<void> { struct type {}; };
template <typename T>
using CompleteType_t = typename CompleteType<T>::type;
template <typename Result>
struct CompleteInvoker {
template <typename Fun, typename... Args>
static Result invoke(Fun&& fun, Args&&... args) {
return std::forward<Fun>(fun)(std::forward<Args>(args)...);
}
};
template <>
struct CompleteInvoker<void> {
template <typename Fun, typename... Args>
static CompleteType_t<void> invoke(Fun&& fun, Args&&... args) {
std::forward<Fun>(fun)(std::forward<Args>(args)...);
return {};
}
};
// invoke and not return void :(
template <typename Fun, typename... Args>
CompleteType_t<FunctionReturnType<Fun, Args...>> complete_invoke(Fun&& fun, Args&&... args) {
return CompleteInvoker<FunctionReturnType<Fun, Args...>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
}
const std::string benchmarkErrorMsg = "a benchmark failed to run successfully";
} // namespace Detail
template <typename Fun>
Detail::CompleteType_t<FunctionReturnType<Fun>> user_code(Fun&& fun) {
CATCH_TRY{
return Detail::complete_invoke(std::forward<Fun>(fun));
} CATCH_CATCH_ALL{
getResultCapture().benchmarkFailed(translateActiveException());
CATCH_RUNTIME_ERROR(Detail::benchmarkErrorMsg);
}
}
} // namespace Benchmark
} // namespace Catch
#endif // TWOBLUECUBES_CATCH_DETAIL_COMPLETE_INVOKE_HPP_INCLUDED