| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // is_unsigned |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| template <class T> |
| void test_is_unsigned() |
| { |
| static_assert( std::is_unsigned<T>::value, ""); |
| static_assert( std::is_unsigned<const T>::value, ""); |
| static_assert( std::is_unsigned<volatile T>::value, ""); |
| static_assert( std::is_unsigned<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert( std::is_unsigned_v<T>, ""); |
| static_assert( std::is_unsigned_v<const T>, ""); |
| static_assert( std::is_unsigned_v<volatile T>, ""); |
| static_assert( std::is_unsigned_v<const volatile T>, ""); |
| #endif |
| } |
| |
| template <class T> |
| void test_is_not_unsigned() |
| { |
| static_assert(!std::is_unsigned<T>::value, ""); |
| static_assert(!std::is_unsigned<const T>::value, ""); |
| static_assert(!std::is_unsigned<volatile T>::value, ""); |
| static_assert(!std::is_unsigned<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert(!std::is_unsigned_v<T>, ""); |
| static_assert(!std::is_unsigned_v<const T>, ""); |
| static_assert(!std::is_unsigned_v<volatile T>, ""); |
| static_assert(!std::is_unsigned_v<const volatile T>, ""); |
| #endif |
| } |
| |
| class Class |
| { |
| public: |
| ~Class(); |
| }; |
| |
| struct A; // incomplete |
| |
| int main() |
| { |
| test_is_not_unsigned<void>(); |
| test_is_not_unsigned<int&>(); |
| test_is_not_unsigned<Class>(); |
| test_is_not_unsigned<int*>(); |
| test_is_not_unsigned<const int*>(); |
| test_is_not_unsigned<char[3]>(); |
| test_is_not_unsigned<char[]>(); |
| test_is_not_unsigned<int>(); |
| test_is_not_unsigned<double>(); |
| test_is_not_unsigned<A>(); |
| |
| test_is_unsigned<bool>(); |
| test_is_unsigned<unsigned>(); |
| |
| #ifndef _LIBCPP_HAS_NO_INT128 |
| test_is_unsigned<__uint128_t>(); |
| test_is_not_unsigned<__int128_t>(); |
| #endif |
| } |