122 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// type_traits10 11// is_trivially_destructible12 13#include <type_traits>14#include "test_macros.h"15 16template <class T>17void test_is_trivially_destructible()18{19 static_assert( std::is_trivially_destructible<T>::value, "");20 static_assert( std::is_trivially_destructible<const T>::value, "");21 static_assert( std::is_trivially_destructible<volatile T>::value, "");22 static_assert( std::is_trivially_destructible<const volatile T>::value, "");23#if TEST_STD_VER > 1424 static_assert( std::is_trivially_destructible_v<T>, "");25 static_assert( std::is_trivially_destructible_v<const T>, "");26 static_assert( std::is_trivially_destructible_v<volatile T>, "");27 static_assert( std::is_trivially_destructible_v<const volatile T>, "");28#endif29}30 31template <class T>32void test_is_not_trivially_destructible()33{34 static_assert(!std::is_trivially_destructible<T>::value, "");35 static_assert(!std::is_trivially_destructible<const T>::value, "");36 static_assert(!std::is_trivially_destructible<volatile T>::value, "");37 static_assert(!std::is_trivially_destructible<const volatile T>::value, "");38#if TEST_STD_VER > 1439 static_assert(!std::is_trivially_destructible_v<T>, "");40 static_assert(!std::is_trivially_destructible_v<const T>, "");41 static_assert(!std::is_trivially_destructible_v<volatile T>, "");42 static_assert(!std::is_trivially_destructible_v<const volatile T>, "");43#endif44}45 46struct PublicDestructor { public: ~PublicDestructor() {}};47struct ProtectedDestructor { protected: ~ProtectedDestructor() {}};48struct PrivateDestructor { private: ~PrivateDestructor() {}};49 50struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}};51struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}};52struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}};53 54struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; };55struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; };56struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; };57 58 59class Empty60{61};62 63union Union {};64 65struct bit_zero66{67 int : 0;68};69 70class Abstract71{72 virtual void foo() = 0;73};74 75class AbstractDestructor76{77 virtual ~AbstractDestructor() = 0;78};79 80struct A81{82 ~A();83};84 85int main(int, char**)86{87 test_is_not_trivially_destructible<void>();88 test_is_not_trivially_destructible<A>();89 test_is_not_trivially_destructible<char[]>();90 test_is_not_trivially_destructible<VirtualPublicDestructor>();91 test_is_not_trivially_destructible<PurePublicDestructor>();92 93 test_is_trivially_destructible<Abstract>();94 test_is_trivially_destructible<Union>();95 test_is_trivially_destructible<Empty>();96 test_is_trivially_destructible<int&>();97 test_is_trivially_destructible<int>();98 test_is_trivially_destructible<double>();99 test_is_trivially_destructible<int*>();100 test_is_trivially_destructible<const int*>();101 test_is_trivially_destructible<char[3]>();102 test_is_trivially_destructible<bit_zero>();103 104#if TEST_STD_VER >= 11105 // requires access control sfinae106 test_is_not_trivially_destructible<ProtectedDestructor>();107 test_is_not_trivially_destructible<PrivateDestructor>();108 test_is_not_trivially_destructible<VirtualProtectedDestructor>();109 test_is_not_trivially_destructible<VirtualPrivateDestructor>();110 test_is_not_trivially_destructible<PureProtectedDestructor>();111 test_is_not_trivially_destructible<PurePrivateDestructor>();112#endif113 114#if TEST_HAS_BUILTIN_IDENTIFIER(_Atomic)115 test_is_trivially_destructible<_Atomic int>();116 test_is_trivially_destructible<_Atomic float>();117 test_is_trivially_destructible<_Atomic int*>();118#endif119 120 return 0;121}122