| // Copyright (C) 2020-2021 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 compile { target c++11 } } |
| |
| // LWG 3466 |
| // Specify the requirements for promise/future/shared_future consistently |
| |
| #include <future> |
| |
| std::promise<int(&)[1]> good; |
| std::promise<int(&)()> good2; |
| |
| std::promise<int[1]> bad; // { dg-error "here" } |
| // { dg-error "result type must not be an array" "" { target *-*-* } 0 } |
| |
| std::promise<int()> bad2; // { dg-error "here" } |
| // { dg-error "result type must not be a function" "" { target *-*-* } 0 } |
| |
| struct Indestructible { ~Indestructible() = delete; }; |
| std::promise<Indestructible> bad3; // { dg-error "here" } |
| // { dg-error "result type must be destructible" "" { target *-*-* } 0 } |
| |
| class PrivateDtor { public: PrivateDtor(); private: ~PrivateDtor(); }; |
| std::promise<PrivateDtor> bad4; // { dg-error "here" } |
