| // Copyright (C) 2017-2023 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 run { target c++11 } } |
| |
| // PR libstdc++/81381 |
| |
| #include <memory> |
| #include <sstream> |
| #include <testsuite_allocator.h> |
| |
| using Alloc = __gnu_test::uneq_allocator<char>; |
| using String = std::basic_string<char, std::char_traits<char>, Alloc>; |
| |
| struct SB : std::basic_stringbuf<char, std::char_traits<char>, Alloc> |
| { |
| SB(const String& s) : basic_stringbuf(s) { } |
| |
| using basic_stringbuf::overflow; |
| }; |
| |
| int main() |
| { |
| String s(Alloc(23)); |
| SB b(s); |
| b.overflow('a'); |
| VERIFY( b.str().get_allocator() == s.get_allocator() ); |
| } |