1// { dg-require-namedlocale "" } 2 3// Copyright (C) 2003, 2005, 2009 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 27.8.1.4 Overridden virtual functions 21 22#include <fstream> 23#include <locale> 24#include <testsuite_hooks.h> 25 26class Cvt : public std::codecvt<char, char, std::mbstate_t> 27{ 28protected: 29 int do_encoding() const throw() 30 { return -1; } 31 32 bool do_always_noconv() const throw() 33 { return false; } 34}; 35 36// libstdc++/13171 37void test01() 38{ 39 bool test __attribute__((unused)) = true; 40 using namespace std; 41 42 filebuf fb; 43 fb.pubimbue(locale(locale("en_US"), new Cvt)); 44 fb.open("tmp_13171-4", ios_base::out); 45 fb.pubimbue(locale("fr_FR")); 46 fb.sputc('N'); 47 fb.pubsync(); 48 fb.close(); 49} 50 51int main() 52{ 53 test01(); 54 return 0; 55} 56