| // { dg-options "-fno-rtti" } |
| // { dg-do run { target c++11 } } |
| |
| // 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/>. |
| |
| #include <functional> |
| #include <testsuite_hooks.h> |
| |
| using std::function; |
| |
| long f() { return 1; } |
| struct F { long operator()() { return 2; } }; |
| |
| void test01() |
| { |
| std::function<int()> fun = f; |
| long (**tgt1)() = fun.target<long(*)()>(); |
| VERIFY( *tgt1 == f ); |
| VERIFY( (*tgt1)() == 1L ); |
| VERIFY( fun.target<long(*)()>() == tgt1 ); |
| VERIFY( fun.target<long(* const)()>() == tgt1 ); |
| VERIFY( fun.target<F>() == nullptr ); |
| VERIFY( fun.target<void>() == nullptr ); |
| VERIFY( fun.target<int()>() == nullptr ); |
| VERIFY( fun.target<long()>() == nullptr ); |
| |
| const F ff; |
| fun = ff; |
| F* tgt2 = fun.target<F>(); |
| VERIFY( tgt2 != nullptr ); |
| VERIFY( (*tgt2)() == 2L ); |
| VERIFY( fun.target<const F>() == tgt2 ); |
| VERIFY( fun.target<int(*)()>() == nullptr ); |
| VERIFY( fun.target<void()>() == nullptr ); |
| VERIFY( fun.target<void(*)()>() == nullptr ); |
| } |
| |
| int main() |
| { |
| test01(); |
| } |