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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03
//
// <functional>
//
// result_of<Fn(ArgTypes...)>
#include <type_traits>
#include <memory>
#include <utility>
#include "test_macros.h"
struct wat
{
wat& operator*() { return *this; }
void foo();
};
struct F {};
struct FD : public F {};
#if TEST_STD_VER > 14
template <typename T, typename U>
struct test_invoke_result;
template <typename Fn, typename ...Args, typename Ret>
struct test_invoke_result<Fn(Args...), Ret>
{
static void call()
{
static_assert(std::is_invocable<Fn, Args...>::value, "");
static_assert(std::is_invocable_r<Ret, Fn, Args...>::value, "");
static_assert((std::is_same<typename std::invoke_result<Fn, Args...>::type, Ret>::value), "");
static_assert((std::is_same<std::invoke_result_t<Fn, Args...>, Ret>::value), "");
}
};
#endif
template <class T, class U>
void test_result_of_imp()
{
static_assert((std::is_same<typename std::result_of<T>::type, U>::value), "");
#if TEST_STD_VER > 11
static_assert((std::is_same<std::result_of_t<T>, U>::value), "");
#endif
#if TEST_STD_VER > 14
test_invoke_result<T, U>::call();
#endif
}
int main()
{
{
typedef char F::*PMD;
test_result_of_imp<PMD(F &), char &>();
test_result_of_imp<PMD(F const &), char const &>();
test_result_of_imp<PMD(F volatile &), char volatile &>();
test_result_of_imp<PMD(F const volatile &), char const volatile &>();
test_result_of_imp<PMD(F &&), char &&>();
test_result_of_imp<PMD(F const &&), char const &&>();
test_result_of_imp<PMD(F volatile &&), char volatile &&>();
test_result_of_imp<PMD(F const volatile &&), char const volatile &&>();
test_result_of_imp<PMD(F ), char &&>();
test_result_of_imp<PMD(F const ), char &&>();
test_result_of_imp<PMD(F volatile ), char &&>();
test_result_of_imp<PMD(F const volatile ), char &&>();
test_result_of_imp<PMD(FD &), char &>();
test_result_of_imp<PMD(FD const &), char const &>();
test_result_of_imp<PMD(FD volatile &), char volatile &>();
test_result_of_imp<PMD(FD const volatile &), char const volatile &>();
test_result_of_imp<PMD(FD &&), char &&>();
test_result_of_imp<PMD(FD const &&), char const &&>();
test_result_of_imp<PMD(FD volatile &&), char volatile &&>();
test_result_of_imp<PMD(FD const volatile &&), char const volatile &&>();
test_result_of_imp<PMD(FD ), char &&>();
test_result_of_imp<PMD(FD const ), char &&>();
test_result_of_imp<PMD(FD volatile ), char &&>();
test_result_of_imp<PMD(FD const volatile ), char &&>();
test_result_of_imp<PMD(std::unique_ptr<F>), char &>();
test_result_of_imp<PMD(std::unique_ptr<F const>), const char &>();
test_result_of_imp<PMD(std::unique_ptr<FD>), char &>();
test_result_of_imp<PMD(std::unique_ptr<FD const>), const char &>();
test_result_of_imp<PMD(std::reference_wrapper<F>), char &>();
test_result_of_imp<PMD(std::reference_wrapper<F const>), const char &>();
test_result_of_imp<PMD(std::reference_wrapper<FD>), char &>();
test_result_of_imp<PMD(std::reference_wrapper<FD const>), const char &>();
}
{
test_result_of_imp<int (F::* (F &)) () &, int> ();
test_result_of_imp<int (F::* (F &)) () const &, int> ();
test_result_of_imp<int (F::* (F &)) () volatile &, int> ();
test_result_of_imp<int (F::* (F &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (F const &)) () const &, int> ();
test_result_of_imp<int (F::* (F const &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (F volatile &)) () volatile &, int> ();
test_result_of_imp<int (F::* (F volatile &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (F const volatile &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (F &&)) () &&, int> ();
test_result_of_imp<int (F::* (F &&)) () const &&, int> ();
test_result_of_imp<int (F::* (F &&)) () volatile &&, int> ();
test_result_of_imp<int (F::* (F &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F const &&)) () const &&, int> ();
test_result_of_imp<int (F::* (F const &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F volatile &&)) () volatile &&, int> ();
test_result_of_imp<int (F::* (F volatile &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F const volatile &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F )) () &&, int> ();
test_result_of_imp<int (F::* (F )) () const &&, int> ();
test_result_of_imp<int (F::* (F )) () volatile &&, int> ();
test_result_of_imp<int (F::* (F )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F const )) () const &&, int> ();
test_result_of_imp<int (F::* (F const )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F volatile )) () volatile &&, int> ();
test_result_of_imp<int (F::* (F volatile )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (F const volatile )) () const volatile &&, int> ();
}
{
test_result_of_imp<int (F::* (FD &)) () &, int> ();
test_result_of_imp<int (F::* (FD &)) () const &, int> ();
test_result_of_imp<int (F::* (FD &)) () volatile &, int> ();
test_result_of_imp<int (F::* (FD &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (FD const &)) () const &, int> ();
test_result_of_imp<int (F::* (FD const &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (FD volatile &)) () volatile &, int> ();
test_result_of_imp<int (F::* (FD volatile &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (FD const volatile &)) () const volatile &, int> ();
test_result_of_imp<int (F::* (FD &&)) () &&, int> ();
test_result_of_imp<int (F::* (FD &&)) () const &&, int> ();
test_result_of_imp<int (F::* (FD &&)) () volatile &&, int> ();
test_result_of_imp<int (F::* (FD &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD const &&)) () const &&, int> ();
test_result_of_imp<int (F::* (FD const &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD volatile &&)) () volatile &&, int> ();
test_result_of_imp<int (F::* (FD volatile &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD const volatile &&)) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD )) () &&, int> ();
test_result_of_imp<int (F::* (FD )) () const &&, int> ();
test_result_of_imp<int (F::* (FD )) () volatile &&, int> ();
test_result_of_imp<int (F::* (FD )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD const )) () const &&, int> ();
test_result_of_imp<int (F::* (FD const )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD volatile )) () volatile &&, int> ();
test_result_of_imp<int (F::* (FD volatile )) () const volatile &&, int> ();
test_result_of_imp<int (F::* (FD const volatile )) () const volatile &&, int> ();
}
{
test_result_of_imp<int (F::* (std::reference_wrapper<F>)) (), int>();
test_result_of_imp<int (F::* (std::reference_wrapper<const F>)) () const, int>();
test_result_of_imp<int (F::* (std::unique_ptr<F> )) (), int>();
test_result_of_imp<int (F::* (std::unique_ptr<const F> )) () const, int>();
}
test_result_of_imp<decltype(&wat::foo)(wat), void>();
}
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