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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed
// UNSUPPORTED: availability-pmr-missing
// <memory_resource>
// template <class T> class polymorphic_allocator
// template <class U>
// void polymorphic_allocator<T>::destroy(U * ptr);
#include <memory_resource>
#include <cassert>
#include <new>
#include <type_traits>
#include "test_macros.h"
int count = 0;
struct destroyable {
destroyable() { ++count; }
~destroyable() { --count; }
};
int main(int, char**) {
typedef std::pmr::polymorphic_allocator<double> A;
{
A a;
ASSERT_SAME_TYPE(decltype(a.destroy((destroyable*)nullptr)), void);
}
{
alignas(destroyable) char buffer[sizeof(destroyable)];
destroyable* ptr = ::new (buffer) destroyable();
assert(count == 1);
A{}.destroy(ptr);
assert(count == 0);
}
return 0;
}
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