| // { dg-do run { target c++14 } } |
| |
| // 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/>. |
| |
| #include <experimental/optional> |
| #include <testsuite_hooks.h> |
| |
| |
| struct NonTransferable |
| { |
| int x; |
| NonTransferable(int x) : x(x) {} |
| NonTransferable(NonTransferable&&) = delete; |
| NonTransferable& operator=(NonTransferable&&) = delete; |
| operator int() {return x;} |
| }; |
| |
| int main() |
| { |
| std::experimental::optional<int> oi; |
| std::experimental::optional<NonTransferable> ot(std::move(oi)); |
| VERIFY(!ot); |
| |
| std::experimental::optional<int> oi2; |
| std::experimental::optional<NonTransferable> ot2(oi2); |
| VERIFY(!ot); |
| |
| std::experimental::optional<int> oi3{42}; |
| std::experimental::optional<NonTransferable> ot3(std::move(oi3)); |
| VERIFY(ot3 && *ot3 == 42); |
| |
| std::experimental::optional<int> oi4{666}; |
| std::experimental::optional<NonTransferable> ot4(oi4); |
| VERIFY(ot4 && *ot4 == 666); |
| } |