// Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // 27.8.1.4 Overridden virtual functions #include <fstream> #include <locale> #include <testsuite_hooks.h> class Cvt : public std::codecvt<char, char, std::mbstate_t> { protected: int do_encoding() const throw() { return -1; } bool do_always_noconv() const throw() { return false; } }; // libstdc++/13171 void test01() { bool test __attribute__((unused)) = true; using namespace std; filebuf fb; fb.pubimbue(locale(__gnu_test::try_named_locale("en_US"), new Cvt)); fb.open("tmp_13171-4", ios_base::out); fb.pubimbue(__gnu_test::try_named_locale("fr_FR")); fb.sputc('N'); fb.pubsync(); fb.close(); } int main() { test01(); return 0; }