| // 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++14 } } |
| |
| #include <experimental/memory_resource> |
| #include <utility> |
| #include <tuple> |
| |
| struct A { }; |
| |
| void |
| test01() |
| { |
| struct X { |
| X(A&&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::experimental::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<A>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| void |
| test02() |
| { |
| struct X { |
| using allocator_type = std::experimental::pmr::polymorphic_allocator<int>; |
| X(A&&, const allocator_type&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::experimental::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<A>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| void |
| test03() |
| { |
| struct X { |
| using allocator_type = std::experimental::pmr::polymorphic_allocator<int>; |
| X(std::allocator_arg_t, const allocator_type&, A&&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::experimental::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<A>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| } |