| //===----------------------------------------------------------------------===// |
| // |
| // 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; |
| } |