| // 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 compile { target c++11 } } |
| |
| #include <functional> |
| |
| struct abstract { |
| virtual ~abstract() = 0; |
| void operator()() noexcept; |
| }; |
| |
| static_assert( noexcept(std::__invoke(std::declval<abstract>())), |
| "It should be possible to use abstract types with INVOKE" ); |
| |
| struct F { |
| void operator()() &; |
| void operator()() && noexcept; |
| int operator()(int); |
| double* operator()(int, int) noexcept; |
| }; |
| struct D { D(void*); }; |
| |
| static_assert( !noexcept(std::__invoke(std::declval<F&>())), "" ); |
| static_assert( noexcept(std::__invoke(std::declval<F>())), "" ); |
| static_assert( !noexcept(std::__invoke(std::declval<F>(), 1)), "" ); |
| static_assert( noexcept(std::__invoke(std::declval<F>(), 1, 2)), "" ); |