| //===----------------------------------------------------------------------===// |
| // |
| // 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_destructible |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| template <class T> |
| void test_is_destructible() |
| { |
| static_assert( std::is_destructible<T>::value, ""); |
| static_assert( std::is_destructible<const T>::value, ""); |
| static_assert( std::is_destructible<volatile T>::value, ""); |
| static_assert( std::is_destructible<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert( std::is_destructible_v<T>, ""); |
| static_assert( std::is_destructible_v<const T>, ""); |
| static_assert( std::is_destructible_v<volatile T>, ""); |
| static_assert( std::is_destructible_v<const volatile T>, ""); |
| #endif |
| } |
| |
| template <class T> |
| void test_is_not_destructible() |
| { |
| static_assert(!std::is_destructible<T>::value, ""); |
| static_assert(!std::is_destructible<const T>::value, ""); |
| static_assert(!std::is_destructible<volatile T>::value, ""); |
| static_assert(!std::is_destructible<const volatile T>::value, ""); |
| #if TEST_STD_VER > 14 |
| static_assert(!std::is_destructible_v<T>, ""); |
| static_assert(!std::is_destructible_v<const T>, ""); |
| static_assert(!std::is_destructible_v<volatile T>, ""); |
| static_assert(!std::is_destructible_v<const volatile T>, ""); |
| #endif |
| } |
| |
| class Empty {}; |
| |
| class NotEmpty |
| { |
| virtual ~NotEmpty(); |
| }; |
| |
| union Union {}; |
| |
| struct bit_zero |
| { |
| int : 0; |
| }; |
| |
| struct A |
| { |
| ~A(); |
| }; |
| |
| typedef void (Function) (); |
| |
| struct PublicAbstract { public: virtual void foo() = 0; }; |
| struct ProtectedAbstract { protected: virtual void foo() = 0; }; |
| struct PrivateAbstract { private: virtual void foo() = 0; }; |
| |
| struct PublicDestructor { public: ~PublicDestructor() {}}; |
| struct ProtectedDestructor { protected: ~ProtectedDestructor() {}}; |
| struct PrivateDestructor { private: ~PrivateDestructor() {}}; |
| |
| struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}}; |
| struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}}; |
| struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}}; |
| |
| struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; }; |
| struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; }; |
| struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; }; |
| |
| #if TEST_STD_VER >= 11 |
| struct DeletedPublicDestructor { public: ~DeletedPublicDestructor() = delete; }; |
| struct DeletedProtectedDestructor { protected: ~DeletedProtectedDestructor() = delete; }; |
| struct DeletedPrivateDestructor { private: ~DeletedPrivateDestructor() = delete; }; |
| |
| struct DeletedVirtualPublicDestructor { public: virtual ~DeletedVirtualPublicDestructor() = delete; }; |
| struct DeletedVirtualProtectedDestructor { protected: virtual ~DeletedVirtualProtectedDestructor() = delete; }; |
| struct DeletedVirtualPrivateDestructor { private: virtual ~DeletedVirtualPrivateDestructor() = delete; }; |
| #endif |
| |
| |
| int main() |
| { |
| test_is_destructible<A>(); |
| test_is_destructible<int&>(); |
| test_is_destructible<Union>(); |
| test_is_destructible<Empty>(); |
| test_is_destructible<int>(); |
| test_is_destructible<double>(); |
| test_is_destructible<int*>(); |
| test_is_destructible<const int*>(); |
| test_is_destructible<char[3]>(); |
| test_is_destructible<bit_zero>(); |
| test_is_destructible<int[3]>(); |
| test_is_destructible<ProtectedAbstract>(); |
| test_is_destructible<PublicAbstract>(); |
| test_is_destructible<PrivateAbstract>(); |
| test_is_destructible<PublicDestructor>(); |
| test_is_destructible<VirtualPublicDestructor>(); |
| test_is_destructible<PurePublicDestructor>(); |
| |
| test_is_not_destructible<int[]>(); |
| test_is_not_destructible<void>(); |
| test_is_not_destructible<Function>(); |
| |
| #if TEST_STD_VER >= 11 |
| // Test access controlled destructors |
| test_is_not_destructible<ProtectedDestructor>(); |
| test_is_not_destructible<PrivateDestructor>(); |
| test_is_not_destructible<VirtualProtectedDestructor>(); |
| test_is_not_destructible<VirtualPrivateDestructor>(); |
| test_is_not_destructible<PureProtectedDestructor>(); |
| test_is_not_destructible<PurePrivateDestructor>(); |
| |
| // Test deleted constructors |
| test_is_not_destructible<DeletedPublicDestructor>(); |
| test_is_not_destructible<DeletedProtectedDestructor>(); |
| test_is_not_destructible<DeletedPrivateDestructor>(); |
| //test_is_not_destructible<DeletedVirtualPublicDestructor>(); // previously failed due to clang bug #20268 |
| test_is_not_destructible<DeletedVirtualProtectedDestructor>(); |
| test_is_not_destructible<DeletedVirtualPrivateDestructor>(); |
| |
| // Test private destructors |
| test_is_not_destructible<NotEmpty>(); |
| #endif |
| |
| } |