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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// type_traits
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// is_final
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#include <type_traits>
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#include "test_macros.h"
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struct P final { };
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union U1 { };
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union U2 final { };
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template <class T>
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void test_is_final()
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{
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static_assert( std::is_final<T>::value, "");
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static_assert( std::is_final<const T>::value, "");
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static_assert( std::is_final<volatile T>::value, "");
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static_assert( std::is_final<const volatile T>::value, "");
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#if TEST_STD_VER > 14
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static_assert( std::is_final_v<T>, "");
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static_assert( std::is_final_v<const T>, "");
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static_assert( std::is_final_v<volatile T>, "");
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static_assert( std::is_final_v<const volatile T>, "");
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#endif
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}
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template <class T>
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void test_is_not_final()
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{
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static_assert(!std::is_final<T>::value, "");
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static_assert(!std::is_final<const T>::value, "");
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static_assert(!std::is_final<volatile T>::value, "");
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static_assert(!std::is_final<const volatile T>::value, "");
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#if TEST_STD_VER > 14
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static_assert(!std::is_final_v<T>, "");
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static_assert(!std::is_final_v<const T>, "");
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static_assert(!std::is_final_v<volatile T>, "");
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static_assert(!std::is_final_v<const volatile T>, "");
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#endif
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}
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int main(int, char**)
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{
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test_is_not_final<int>();
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test_is_not_final<int*>();
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test_is_final <P>();
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test_is_not_final<P*>();
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test_is_not_final<U1>();
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test_is_not_final<U1*>();
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test_is_final <U2>();
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test_is_not_final<U2*>();
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return 0;
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}
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