1 // { dg-require-namedlocale "en_US.ISO8859-1" } 2 // { dg-require-namedlocale "fr_FR.ISO8859-15" } 3 4 // Copyright (C) 2003-2018 Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // You should have received a copy of the GNU General Public License along 18 // with this library; see the file COPYING3. If not see 19 // <http://www.gnu.org/licenses/>. 20 21 // 27.8.1.4 Overridden virtual functions 22 23 #include <fstream> 24 #include <locale> 25 #include <testsuite_hooks.h> 26 27 class Cvt : public std::codecvt<char, char, std::mbstate_t> 28 { 29 protected: do_encoding() const30 int do_encoding() const throw() 31 { return -1; } 32 do_always_noconv() const33 bool do_always_noconv() const throw() 34 { return false; } 35 }; 36 37 // libstdc++/13171 test01()38void test01() 39 { 40 using namespace std; 41 42 filebuf fb; 43 fb.pubimbue(locale(locale(ISO_8859(1,en_US)), new Cvt)); 44 fb.open("tmp_13171-4", ios_base::out); 45 fb.pubimbue(locale(ISO_8859(15,fr_FR))); 46 fb.sputc('N'); 47 fb.pubsync(); 48 fb.close(); 49 } 50 main()51int main() 52 { 53 test01(); 54 return 0; 55 } 56