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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
// memory_resource *
// polymorphic_allocator<T>::resource() const
#include <memory_resource>
#include <cassert>
#include "test_macros.h"
int main(int, char**) {
typedef std::pmr::polymorphic_allocator<void> A;
{
A const a;
ASSERT_SAME_TYPE(decltype(a.resource()), std::pmr::memory_resource*);
}
{
std::pmr::memory_resource* mptr = (std::pmr::memory_resource*)42;
A const a(mptr);
assert(a.resource() == mptr);
}
{
A const a(nullptr);
assert(a.resource() == nullptr);
assert(a.resource() == nullptr);
}
{
A const a;
assert(a.resource() == std::pmr::get_default_resource());
}
{
std::pmr::memory_resource* mptr = (std::pmr::memory_resource*)42;
std::pmr::set_default_resource(mptr);
A const a;
assert(a.resource() == mptr);
assert(a.resource() == std::pmr::get_default_resource());
}
return 0;
}
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