| // Copyright (C) 2016-2021 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 <utility> |
| #include <tuple> |
| |
| struct do_not_copy { |
| do_not_copy() = default; |
| do_not_copy(const do_not_copy&) { throw 1; } |
| }; |
| |
| void |
| test01() |
| { |
| struct X { |
| X(do_not_copy&&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<do_not_copy>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| void |
| test02() |
| { |
| struct X { |
| using allocator_type = std::pmr::polymorphic_allocator<int>; |
| X(do_not_copy&&, const allocator_type&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<do_not_copy>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| void |
| test03() |
| { |
| struct X { |
| using allocator_type = std::pmr::polymorphic_allocator<int>; |
| X(std::allocator_arg_t, const allocator_type&, do_not_copy&&) { } |
| }; |
| |
| using pair = std::pair<X, int>; |
| std::pmr::polymorphic_allocator<pair> a; |
| auto ptr = a.allocate(1); |
| a.construct(ptr, std::piecewise_construct, |
| std::tuple<do_not_copy>{}, std::make_tuple(1)); |
| a.deallocate(ptr, 1); |
| } |
| |
| void |
| test04() |
| { |
| struct X |
| { |
| using allocator_type = std::pmr::polymorphic_allocator<int>; |
| X() = default; |
| X(const X&) { throw 1; } |
| X(const X&, const allocator_type&) { } |
| }; |
| |
| struct Y |
| { |
| using allocator_type = std::pmr::polymorphic_allocator<int>; |
| Y() = default; |
| Y(const Y&) = delete; |
| Y(std::allocator_arg_t, const allocator_type&, const Y&) { } |
| }; |
| |
| using pair_type = std::pair<X, Y>; |
| std::pmr::polymorphic_allocator<pair_type> a; |
| auto ptr = a.allocate(1); |
| /* not const */ pair_type p; |
| a.construct(ptr, p); // LWG 2975 |
| a.deallocate(ptr, 1); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| test04(); |
| } |