| // { dg-options "-fno-inline" } |
| // { dg-do run { target c++11 } } |
| // { dg-require-string-conversions "" } |
| |
| // Copyright (C) 2011-2021 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 changed |
| // this test may begin to fail. |
| |
| #include <string> |
| #include <utility> |
| #include <testsuite_hooks.h> |
| |
| class twstring : public std::basic_string<wchar_t> |
| { |
| public: |
| twstring() : std::basic_string<wchar_t>() {} |
| twstring(twstring&& s) : std::basic_string<wchar_t>(std::move(s)) {} |
| twstring& operator=(twstring&&) = default; |
| }; |
| |
| void test01() |
| { |
| twstring a, b; |
| a.push_back(L'1'); |
| b = std::move(a); |
| VERIFY( b.size() == 1 && b[0] == L'1' && a.size() == 0 ); |
| |
| twstring c(std::move(b)); |
| VERIFY( c.size() == 1 && c[0] == L'1' ); |
| #if ! _GLIBCXX_FULLY_DYNAMIC_STRING |
| VERIFY( b.size() == 0 ); // not guaranteed by the standard |
| #endif |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |