mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-16 11:46:41 +00:00
e180ecab2c
This commit also adds tests for std::numeric_limits<__[u]int128_t>. Reviewed in http://llvm-reviews.chandlerc.com/D2917 llvm-svn: 204849
66 lines
2.1 KiB
C++
66 lines
2.1 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// type_traits
|
|
|
|
// make_unsigned
|
|
|
|
#include <type_traits>
|
|
|
|
enum Enum {zero, one_};
|
|
|
|
enum BigEnum
|
|
{
|
|
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()
|
|
{
|
|
static_assert((std::is_same<typename std::make_unsigned<T>::type, U>::value), "");
|
|
#if _LIBCPP_STD_VER > 11
|
|
static_assert((std::is_same<std::make_unsigned_t<T>, U>::value), "");
|
|
#endif
|
|
}
|
|
|
|
int main()
|
|
{
|
|
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, const unsigned int> ();
|
|
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
|
|
}
|