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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// 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(int, char**)
{
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
return 0;
}
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