| // Copyright (C) 2018-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do run { target c++17 } } |
| |
| #include <memory_resource> |
| #include <testsuite_hooks.h> |
| #include <testsuite_allocator.h> |
| |
| void |
| test01() |
| { |
| __gnu_test::memory_resource test_mr1, test_mr2; |
| __gnu_test::default_resource_mgr mgr(&test_mr1); |
| |
| const std::pmr::pool_options opts{1, 2}; |
| using std::pmr::unsynchronized_pool_resource; |
| |
| unsynchronized_pool_resource p1 = {opts, &test_mr2}; |
| VERIFY( p1.upstream_resource() == &test_mr2 ); |
| unsynchronized_pool_resource p2; |
| VERIFY( p2.upstream_resource() == std::pmr::get_default_resource() ); |
| unsynchronized_pool_resource p3{&test_mr2}; |
| VERIFY( p3.upstream_resource() == &test_mr2 ); |
| unsynchronized_pool_resource p4{opts}; |
| VERIFY( p4.upstream_resource() == std::pmr::get_default_resource() ); |
| |
| static_assert(!std::is_copy_constructible_v<unsynchronized_pool_resource>); |
| static_assert(!std::is_copy_assignable_v<unsynchronized_pool_resource>); |
| static_assert(std::is_destructible_v<unsynchronized_pool_resource>); |
| } |
| |
| void |
| test02() |
| { |
| __gnu_test::memory_resource test_mr1, test_mr2; |
| __gnu_test::default_resource_mgr mgr(&test_mr1); |
| |
| const std::pmr::pool_options opts{1, 2}; |
| |
| struct derived : std::pmr::unsynchronized_pool_resource |
| { |
| using unsynchronized_pool_resource::unsynchronized_pool_resource; |
| }; |
| |
| derived p1 = {opts, &test_mr2}; |
| VERIFY( p1.upstream_resource() == &test_mr2 ); |
| derived p2; |
| VERIFY( p2.upstream_resource() == std::pmr::get_default_resource() ); |
| derived p3{&test_mr2}; |
| VERIFY( p3.upstream_resource() == &test_mr2 ); |
| derived p4{opts}; |
| VERIFY( p4.upstream_resource() == std::pmr::get_default_resource() ); |
| |
| static_assert(!std::is_copy_constructible_v<derived>); |
| static_assert(!std::is_copy_assignable_v<derived>); |
| static_assert(std::is_destructible_v<derived>); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| } |