| // { dg-do run { target c++11 } } |
| // { dg-require-string-conversions "" } |
| |
| // Copyright (C) 2010-2021 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/>. |
| |
| // NOTE: This makes use of the fact that we know how moveable |
| // is implemented on string (via swap). If the implementation changes |
| // this test may begin to fail. |
| |
| #include <string> |
| #include <utility> |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| std::string a, b; |
| a.push_back('1'); |
| b.assign(std::move(a)); |
| VERIFY( b.size() == 1 && b[0] == '1' && a.size() == 0 ); |
| |
| // True for std::allocator because is_always_equal, but not true in general: |
| static_assert(noexcept(a.assign(std::move(b))), "lwg 2063"); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |