253 lines
11 KiB
C++
253 lines
11 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <functional>
|
|
|
|
// result_of<Fn(ArgTypes...)>
|
|
|
|
#include <type_traits>
|
|
#include <memory>
|
|
#include "test_macros.h"
|
|
|
|
struct S
|
|
{
|
|
typedef short (*FreeFunc)(long);
|
|
operator FreeFunc() const;
|
|
double operator()(char, int&);
|
|
double const& operator()(char, int&) const;
|
|
double volatile& operator()(char, int&) volatile;
|
|
double const volatile& operator()(char, int&) const volatile;
|
|
};
|
|
|
|
template <class Tp>
|
|
struct Voider {
|
|
typedef void type;
|
|
};
|
|
|
|
template <class T, class = void>
|
|
struct HasType : std::false_type {};
|
|
|
|
template <class T>
|
|
struct HasType<T, typename Voider<typename T::type>::type> : std::true_type {};
|
|
|
|
template <class T, class U>
|
|
void test_result_of()
|
|
{
|
|
static_assert((std::is_same<typename std::result_of<T>::type, U>::value), "");
|
|
}
|
|
|
|
template <class T>
|
|
void test_no_result()
|
|
{
|
|
#if TEST_STD_VER >= 11
|
|
static_assert((!HasType<std::result_of<T> >::value), "");
|
|
#endif
|
|
}
|
|
|
|
int main()
|
|
{
|
|
{ // functor object
|
|
test_result_of<S(int), short> ();
|
|
test_result_of<S&(unsigned char, int&), double> ();
|
|
test_result_of<S const&(unsigned char, int&), double const &> ();
|
|
test_result_of<S volatile&(unsigned char, int&), double volatile&> ();
|
|
test_result_of<S const volatile&(unsigned char, int&), double const volatile&> ();
|
|
}
|
|
{ // pointer to function
|
|
typedef bool (&RF0)();
|
|
typedef bool* (&RF1)(int);
|
|
typedef bool& (&RF2)(int, int);
|
|
typedef bool const& (&RF3)(int, int, int);
|
|
typedef bool (*PF0)();
|
|
typedef bool* (*PF1)(int);
|
|
typedef bool& (*PF2)(int, int);
|
|
typedef bool const& (*PF3)(int, int, int);
|
|
typedef bool (*&PRF0)();
|
|
typedef bool* (*&PRF1)(int);
|
|
typedef bool& (*&PRF2)(int, int);
|
|
typedef bool const& (*&PRF3)(int, int, int);
|
|
test_result_of<RF0(), bool>();
|
|
test_result_of<RF1(int), bool*>();
|
|
test_result_of<RF2(int, long), bool&>();
|
|
test_result_of<RF3(int, long, int), bool const&>();
|
|
test_result_of<PF0(), bool>();
|
|
test_result_of<PF1(int), bool*>();
|
|
test_result_of<PF2(int, long), bool&>();
|
|
test_result_of<PF3(int, long, int), bool const&>();
|
|
test_result_of<PRF0(), bool>();
|
|
test_result_of<PRF1(int), bool*>();
|
|
test_result_of<PRF2(int, long), bool&>();
|
|
test_result_of<PRF3(int, long, int), bool const&>();
|
|
}
|
|
{ // pointer to member function
|
|
|
|
typedef int (S::*PMS0)();
|
|
typedef int* (S::*PMS1)(long);
|
|
typedef int& (S::*PMS2)(long, int);
|
|
test_result_of<PMS0( S), int> ();
|
|
test_result_of<PMS0( S&), int> ();
|
|
test_result_of<PMS0( S*), int> ();
|
|
test_result_of<PMS0( S*&), int> ();
|
|
test_result_of<PMS0(std::unique_ptr<S>), int> ();
|
|
test_no_result<PMS0(const S&)>();
|
|
test_no_result<PMS0(volatile S&)>();
|
|
test_no_result<PMS0(const volatile S&)>();
|
|
|
|
test_result_of<PMS1( S, int), int*> ();
|
|
test_result_of<PMS1( S&, int), int*> ();
|
|
test_result_of<PMS1( S*, int), int*> ();
|
|
test_result_of<PMS1( S*&, int), int*> ();
|
|
test_result_of<PMS1(std::unique_ptr<S>, int), int*> ();
|
|
test_no_result<PMS1(const S&, int)>();
|
|
test_no_result<PMS1(volatile S&, int)>();
|
|
test_no_result<PMS1(const volatile S&, int)>();
|
|
|
|
test_result_of<PMS2( S, int, int), int&> ();
|
|
test_result_of<PMS2( S&, int, int), int&> ();
|
|
test_result_of<PMS2( S*, int, int), int&> ();
|
|
test_result_of<PMS2( S*&, int, int), int&> ();
|
|
test_result_of<PMS2(std::unique_ptr<S>, int, int), int&> ();
|
|
test_no_result<PMS2(const S&, int, int)>();
|
|
test_no_result<PMS2(volatile S&, int, int)>();
|
|
test_no_result<PMS2(const volatile S&, int, int)>();
|
|
|
|
typedef int (S::*PMS0C)() const;
|
|
typedef int* (S::*PMS1C)(long) const;
|
|
typedef int& (S::*PMS2C)(long, int) const;
|
|
test_result_of<PMS0C( S), int> ();
|
|
test_result_of<PMS0C( S&), int> ();
|
|
test_result_of<PMS0C(const S&), int> ();
|
|
test_result_of<PMS0C( S*), int> ();
|
|
test_result_of<PMS0C(const S*), int> ();
|
|
test_result_of<PMS0C( S*&), int> ();
|
|
test_result_of<PMS0C(const S*&), int> ();
|
|
test_result_of<PMS0C(std::unique_ptr<S>), int> ();
|
|
test_no_result<PMS0C(volatile S&)>();
|
|
test_no_result<PMS0C(const volatile S&)>();
|
|
|
|
test_result_of<PMS1C( S, int), int*> ();
|
|
test_result_of<PMS1C( S&, int), int*> ();
|
|
test_result_of<PMS1C(const S&, int), int*> ();
|
|
test_result_of<PMS1C( S*, int), int*> ();
|
|
test_result_of<PMS1C(const S*, int), int*> ();
|
|
test_result_of<PMS1C( S*&, int), int*> ();
|
|
test_result_of<PMS1C(const S*&, int), int*> ();
|
|
test_result_of<PMS1C(std::unique_ptr<S>, int), int*> ();
|
|
test_no_result<PMS1C(volatile S&, int)>();
|
|
test_no_result<PMS1C(const volatile S&, int)>();
|
|
|
|
test_result_of<PMS2C( S, int, int), int&> ();
|
|
test_result_of<PMS2C( S&, int, int), int&> ();
|
|
test_result_of<PMS2C(const S&, int, int), int&> ();
|
|
test_result_of<PMS2C( S*, int, int), int&> ();
|
|
test_result_of<PMS2C(const S*, int, int), int&> ();
|
|
test_result_of<PMS2C( S*&, int, int), int&> ();
|
|
test_result_of<PMS2C(const S*&, int, int), int&> ();
|
|
test_result_of<PMS2C(std::unique_ptr<S>, int, int), int&> ();
|
|
test_no_result<PMS2C(volatile S&, int, int)>();
|
|
test_no_result<PMS2C(const volatile S&, int, int)>();
|
|
|
|
typedef int (S::*PMS0V)() volatile;
|
|
typedef int* (S::*PMS1V)(long) volatile;
|
|
typedef int& (S::*PMS2V)(long, int) volatile;
|
|
test_result_of<PMS0V( S), int> ();
|
|
test_result_of<PMS0V( S&), int> ();
|
|
test_result_of<PMS0V(volatile S&), int> ();
|
|
test_result_of<PMS0V( S*), int> ();
|
|
test_result_of<PMS0V(volatile S*), int> ();
|
|
test_result_of<PMS0V( S*&), int> ();
|
|
test_result_of<PMS0V(volatile S*&), int> ();
|
|
test_result_of<PMS0V(std::unique_ptr<S>), int> ();
|
|
test_no_result<PMS0V(const S&)>();
|
|
test_no_result<PMS0V(const volatile S&)>();
|
|
|
|
test_result_of<PMS1V( S, int), int*> ();
|
|
test_result_of<PMS1V( S&, int), int*> ();
|
|
test_result_of<PMS1V(volatile S&, int), int*> ();
|
|
test_result_of<PMS1V( S*, int), int*> ();
|
|
test_result_of<PMS1V(volatile S*, int), int*> ();
|
|
test_result_of<PMS1V( S*&, int), int*> ();
|
|
test_result_of<PMS1V(volatile S*&, int), int*> ();
|
|
test_result_of<PMS1V(std::unique_ptr<S>, int), int*> ();
|
|
test_no_result<PMS1V(const S&, int)>();
|
|
test_no_result<PMS1V(const volatile S&, int)>();
|
|
|
|
test_result_of<PMS2V( S, int, int), int&> ();
|
|
test_result_of<PMS2V( S&, int, int), int&> ();
|
|
test_result_of<PMS2V(volatile S&, int, int), int&> ();
|
|
test_result_of<PMS2V( S*, int, int), int&> ();
|
|
test_result_of<PMS2V(volatile S*, int, int), int&> ();
|
|
test_result_of<PMS2V( S*&, int, int), int&> ();
|
|
test_result_of<PMS2V(volatile S*&, int, int), int&> ();
|
|
test_result_of<PMS2V(std::unique_ptr<S>, int, int), int&> ();
|
|
test_no_result<PMS2V(const S&, int, int)>();
|
|
test_no_result<PMS2V(const volatile S&, int, int)>();
|
|
|
|
typedef int (S::*PMS0CV)() const volatile;
|
|
typedef int* (S::*PMS1CV)(long) const volatile;
|
|
typedef int& (S::*PMS2CV)(long, int) const volatile;
|
|
test_result_of<PMS0CV( S), int> ();
|
|
test_result_of<PMS0CV( S&), int> ();
|
|
test_result_of<PMS0CV(const S&), int> ();
|
|
test_result_of<PMS0CV(volatile S&), int> ();
|
|
test_result_of<PMS0CV(const volatile S&), int> ();
|
|
test_result_of<PMS0CV( S*), int> ();
|
|
test_result_of<PMS0CV(const S*), int> ();
|
|
test_result_of<PMS0CV(volatile S*), int> ();
|
|
test_result_of<PMS0CV(const volatile S*), int> ();
|
|
test_result_of<PMS0CV( S*&), int> ();
|
|
test_result_of<PMS0CV(const S*&), int> ();
|
|
test_result_of<PMS0CV(volatile S*&), int> ();
|
|
test_result_of<PMS0CV(const volatile S*&), int> ();
|
|
test_result_of<PMS0CV(std::unique_ptr<S>), int> ();
|
|
|
|
test_result_of<PMS1CV( S, int), int*> ();
|
|
test_result_of<PMS1CV( S&, int), int*> ();
|
|
test_result_of<PMS1CV(const S&, int), int*> ();
|
|
test_result_of<PMS1CV(volatile S&, int), int*> ();
|
|
test_result_of<PMS1CV(const volatile S&, int), int*> ();
|
|
test_result_of<PMS1CV( S*, int), int*> ();
|
|
test_result_of<PMS1CV(const S*, int), int*> ();
|
|
test_result_of<PMS1CV(volatile S*, int), int*> ();
|
|
test_result_of<PMS1CV(const volatile S*, int), int*> ();
|
|
test_result_of<PMS1CV( S*&, int), int*> ();
|
|
test_result_of<PMS1CV(const S*&, int), int*> ();
|
|
test_result_of<PMS1CV(volatile S*&, int), int*> ();
|
|
test_result_of<PMS1CV(const volatile S*&, int), int*> ();
|
|
test_result_of<PMS1CV(std::unique_ptr<S>, int), int*> ();
|
|
|
|
test_result_of<PMS2CV( S, int, int), int&> ();
|
|
test_result_of<PMS2CV( S&, int, int), int&> ();
|
|
test_result_of<PMS2CV(const S&, int, int), int&> ();
|
|
test_result_of<PMS2CV(volatile S&, int, int), int&> ();
|
|
test_result_of<PMS2CV(const volatile S&, int, int), int&> ();
|
|
test_result_of<PMS2CV( S*, int, int), int&> ();
|
|
test_result_of<PMS2CV(const S*, int, int), int&> ();
|
|
test_result_of<PMS2CV(volatile S*, int, int), int&> ();
|
|
test_result_of<PMS2CV(const volatile S*, int, int), int&> ();
|
|
test_result_of<PMS2CV( S*&, int, int), int&> ();
|
|
test_result_of<PMS2CV(const S*&, int, int), int&> ();
|
|
test_result_of<PMS2CV(volatile S*&, int, int), int&> ();
|
|
test_result_of<PMS2CV(const volatile S*&, int, int), int&> ();
|
|
test_result_of<PMS2CV(std::unique_ptr<S>, int, int), int&> ();
|
|
}
|
|
{ // pointer to member data
|
|
typedef char S::*PMD;
|
|
test_result_of<PMD(S&), char &>();
|
|
test_result_of<PMD(S*), char &>();
|
|
test_result_of<PMD(S* const), char &>();
|
|
test_result_of<PMD(const S&), const char&> ();
|
|
test_result_of<PMD(const S*), const char&> ();
|
|
test_result_of<PMD(volatile S&), volatile char&> ();
|
|
test_result_of<PMD(volatile S*), volatile char&> ();
|
|
test_result_of<PMD(const volatile S&), const volatile char&> ();
|
|
test_result_of<PMD(const volatile S*), const volatile char&> ();
|
|
}
|
|
}
|