116 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_nothrow_destructible12 13#include <type_traits>14#include "test_macros.h"15 16template <class T>17void test_is_nothrow_destructible()18{19 static_assert( std::is_nothrow_destructible<T>::value, "");20 static_assert( std::is_nothrow_destructible<const T>::value, "");21 static_assert( std::is_nothrow_destructible<volatile T>::value, "");22 static_assert( std::is_nothrow_destructible<const volatile T>::value, "");23#if TEST_STD_VER > 1424 static_assert( std::is_nothrow_destructible_v<T>, "");25 static_assert( std::is_nothrow_destructible_v<const T>, "");26 static_assert( std::is_nothrow_destructible_v<volatile T>, "");27 static_assert( std::is_nothrow_destructible_v<const volatile T>, "");28#endif29}30 31template <class T>32void test_is_not_nothrow_destructible()33{34 static_assert(!std::is_nothrow_destructible<T>::value, "");35 static_assert(!std::is_nothrow_destructible<const T>::value, "");36 static_assert(!std::is_nothrow_destructible<volatile T>::value, "");37 static_assert(!std::is_nothrow_destructible<const volatile T>::value, "");38#if TEST_STD_VER > 1439 static_assert(!std::is_nothrow_destructible_v<T>, "");40 static_assert(!std::is_nothrow_destructible_v<const T>, "");41 static_assert(!std::is_nothrow_destructible_v<volatile T>, "");42 static_assert(!std::is_nothrow_destructible_v<const volatile T>, "");43#endif44}45 46 47struct PublicDestructor { public: ~PublicDestructor() {}};48struct ProtectedDestructor { protected: ~ProtectedDestructor() {}};49struct PrivateDestructor { private: ~PrivateDestructor() {}};50 51struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}};52struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}};53struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}};54 55struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; };56struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; };57struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; };58 59struct ExplicitlyNoThrowDestructor {60 ~ExplicitlyNoThrowDestructor() TEST_NOEXCEPT {}61};62 63class Empty64{65};66 67 68union Union {};69 70struct bit_zero71{72 int : 0;73};74 75class Abstract76{77 virtual void foo() = 0;78};79 80 81int main(int, char**)82{83 test_is_not_nothrow_destructible<void>();84 test_is_not_nothrow_destructible<char[]>();85 test_is_not_nothrow_destructible<char[][3]>();86 87 test_is_nothrow_destructible<int&>();88 test_is_nothrow_destructible<int>();89 test_is_nothrow_destructible<double>();90 test_is_nothrow_destructible<int*>();91 test_is_nothrow_destructible<const int*>();92 test_is_nothrow_destructible<char[3]>();93 94#if TEST_STD_VER >= 1195 // requires noexcept. These are all destructible.96 test_is_nothrow_destructible<PublicDestructor>();97 test_is_nothrow_destructible<VirtualPublicDestructor>();98 test_is_nothrow_destructible<PurePublicDestructor>();99#endif100 test_is_nothrow_destructible<ExplicitlyNoThrowDestructor>();101 test_is_nothrow_destructible<bit_zero>();102 test_is_nothrow_destructible<Abstract>();103 test_is_nothrow_destructible<Empty>();104 test_is_nothrow_destructible<Union>();105 // requires access control106 test_is_not_nothrow_destructible<ProtectedDestructor>();107 test_is_not_nothrow_destructible<PrivateDestructor>();108 test_is_not_nothrow_destructible<VirtualProtectedDestructor>();109 test_is_not_nothrow_destructible<VirtualPrivateDestructor>();110 test_is_not_nothrow_destructible<PureProtectedDestructor>();111 test_is_not_nothrow_destructible<PurePrivateDestructor>();112 113 114 return 0;115}116