| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11 |
| // type_traits |
| |
| // is_final |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| struct P final { }; |
| union U1 { }; |
| union U2 final { }; |
| |
| template <class T> |
| void test_is_final() |
| { |
| static_assert( std::is_final<T>::value, ""); |
| static_assert( std::is_final<const T>::value, ""); |
| static_assert( std::is_final<volatile T>::value, ""); |
| static_assert( std::is_final<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert( std::is_final_v<T>, ""); |
| static_assert( std::is_final_v<const T>, ""); |
| static_assert( std::is_final_v<volatile T>, ""); |
| static_assert( std::is_final_v<const volatile T>, ""); |
| #endif |
| } |
| |
| template <class T> |
| void test_is_not_final() |
| { |
| static_assert(!std::is_final<T>::value, ""); |
| static_assert(!std::is_final<const T>::value, ""); |
| static_assert(!std::is_final<volatile T>::value, ""); |
| static_assert(!std::is_final<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert(!std::is_final_v<T>, ""); |
| static_assert(!std::is_final_v<const T>, ""); |
| static_assert(!std::is_final_v<volatile T>, ""); |
| static_assert(!std::is_final_v<const volatile T>, ""); |
| #endif |
| } |
| |
| int main(int, char**) |
| { |
| test_is_not_final<int>(); |
| test_is_not_final<int*>(); |
| test_is_final <P>(); |
| test_is_not_final<P*>(); |
| test_is_not_final<U1>(); |
| test_is_not_final<U1*>(); |
| test_is_final <U2>(); |
| test_is_not_final<U2*>(); |
| |
| return 0; |
| } |