You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// type_traits
|
|
|
|
// make_unsigned
|
|
|
|
#include <type_traits>
|
|
|
|
#include "test_macros.h"
|
|
|
|
enum Enum {zero, one_};
|
|
|
|
#if TEST_STD_VER >= 11
|
|
enum BigEnum : unsigned long long // MSVC's ABI doesn't follow the Standard
|
|
#else
|
|
enum BigEnum
|
|
#endif
|
|
{
|
|
bigzero,
|
|
big = 0xFFFFFFFFFFFFFFFFULL
|
|
};
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_INT128) && !defined(_LIBCPP_HAS_NO_STRONG_ENUMS)
|
|
enum HugeEnum : __int128_t
|
|
{
|
|
hugezero
|
|
};
|
|
#endif
|
|
|
|
template <class T, class U>
|
|
void test_make_unsigned()
|
|
{
|
|
ASSERT_SAME_TYPE(U, typename std::make_unsigned<T>::type);
|
|
#if TEST_STD_VER > 11
|
|
ASSERT_SAME_TYPE(U, std::make_unsigned_t<T>);
|
|
#endif
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
test_make_unsigned<signed char, unsigned char> ();
|
|
test_make_unsigned<unsigned char, unsigned char> ();
|
|
test_make_unsigned<char, unsigned char> ();
|
|
test_make_unsigned<short, unsigned short> ();
|
|
test_make_unsigned<unsigned short, unsigned short> ();
|
|
test_make_unsigned<int, unsigned int> ();
|
|
test_make_unsigned<unsigned int, unsigned int> ();
|
|
test_make_unsigned<long, unsigned long> ();
|
|
test_make_unsigned<unsigned long, unsigned long> ();
|
|
test_make_unsigned<long long, unsigned long long> ();
|
|
test_make_unsigned<unsigned long long, unsigned long long> ();
|
|
test_make_unsigned<wchar_t, std::conditional<sizeof(wchar_t) == 4, unsigned int, unsigned short>::type> ();
|
|
test_make_unsigned<const wchar_t, std::conditional<sizeof(wchar_t) == 4, const unsigned int, const unsigned short>::type> ();
|
|
test_make_unsigned<const Enum, std::conditional<sizeof(Enum) == sizeof(int), const unsigned int, const unsigned char>::type >();
|
|
test_make_unsigned<BigEnum,
|
|
std::conditional<sizeof(long) == 4, unsigned long long, unsigned long>::type> ();
|
|
#ifndef _LIBCPP_HAS_NO_INT128
|
|
test_make_unsigned<__int128_t, __uint128_t>();
|
|
test_make_unsigned<__uint128_t, __uint128_t>();
|
|
# ifndef _LIBCPP_HAS_NO_STRONG_ENUMS
|
|
test_make_unsigned<HugeEnum, __uint128_t>();
|
|
# endif
|
|
#endif
|
|
|
|
return 0;
|
|
}
|