1// { dg-require-namedlocale "" } 2 3// Copyright (C) 2003, 2005 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 27.8.1.4 Overridden virtual functions 22 23#include <fstream> 24#include <locale> 25#include <testsuite_hooks.h> 26 27class Cvt : public std::codecvt<char, char, std::mbstate_t> 28{ 29protected: 30 int do_encoding() const throw() 31 { return -1; } 32 33 bool do_always_noconv() const throw() 34 { return false; } 35}; 36 37// libstdc++/13171 38void test01() 39{ 40 bool test __attribute__((unused)) = true; 41 using namespace std; 42 43 filebuf fb; 44 fb.pubimbue(locale(locale("en_US"), new Cvt)); 45 fb.open("tmp_13171-4", ios_base::out); 46 fb.pubimbue(locale("fr_FR")); 47 fb.sputc('N'); 48 fb.pubsync(); 49 fb.close(); 50} 51 52int main() 53{ 54 test01(); 55 return 0; 56} 57