| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14 |
| // XFAIL: availability-pmr-missing |
| |
| // test_memory_resource requires RTTI for dynamic_cast |
| // UNSUPPORTED: no-rtti |
| |
| // <memory_resource> |
| |
| //------------------------------------------------------------------------------ |
| // TESTING virtual ~memory_resource() |
| // |
| // Concerns: |
| // A) 'memory_resource' is destructible. |
| // B) The destructor is implicitly marked noexcept. |
| // C) The destructor is marked virtual. |
| |
| #include <memory_resource> |
| #include <cassert> |
| #include <type_traits> |
| |
| #include "test_std_memory_resource.h" |
| |
| int main(int, char**) { |
| static_assert(std::has_virtual_destructor_v<std::pmr::memory_resource>); |
| static_assert(std::is_nothrow_destructible_v<std::pmr::memory_resource>); |
| static_assert(std::is_abstract_v<std::pmr::memory_resource>); |
| |
| // Check that the destructor of `TestResource` is called when |
| // it is deleted as a pointer to `memory_resource`. |
| { |
| using TR = TestResource; |
| std::pmr::memory_resource* M = new TR(42); |
| assert(TR::resource_alive == 1); |
| assert(TR::resource_constructed == 1); |
| assert(TR::resource_destructed == 0); |
| |
| delete M; |
| |
| assert(TR::resource_alive == 0); |
| assert(TR::resource_constructed == 1); |
| assert(TR::resource_destructed == 1); |
| } |
| |
| return 0; |
| } |