| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <memory_resource> |
| |
| // class synchronized_pool_resource |
| // class unsynchronized_pool_resource |
| |
| #include <memory_resource> |
| #include <cassert> |
| #include <new> |
| #include <type_traits> |
| |
| #include "count_new.h" |
| |
| class assert_on_compare : public std::pmr::memory_resource { |
| void* do_allocate(std::size_t, size_t) override { |
| assert(false); |
| return nullptr; |
| } |
| |
| void do_deallocate(void*, std::size_t, size_t) override { assert(false); } |
| |
| bool do_is_equal(const std::pmr::memory_resource&) const noexcept override { |
| assert(false); |
| return true; |
| } |
| }; |
| |
| template <class PoolResource> |
| void test() { |
| // Same type |
| { |
| PoolResource pr1; |
| PoolResource pr2; |
| assert(pr1 == pr1); |
| assert(pr1 != pr2); |
| |
| std::pmr::memory_resource& mr1 = pr1; |
| std::pmr::memory_resource& mr2 = pr2; |
| assert(mr1 == mr1); |
| assert(mr1 != mr2); |
| assert(mr1 == pr1); |
| assert(pr1 == mr1); |
| assert(mr1 != pr2); |
| assert(pr2 != mr1); |
| } |
| // Different types |
| { |
| PoolResource pr1; |
| std::pmr::memory_resource& mr1 = pr1; |
| assert_on_compare c; |
| std::pmr::memory_resource& mr2 = c; |
| assert(mr1 != mr2); |
| assert(!(mr1 == mr2)); |
| } |
| } |
| |
| int main(int, char**) { |
| test<std::pmr::synchronized_pool_resource>(); |
| test<std::pmr::unsynchronized_pool_resource>(); |
| |
| return 0; |
| } |