1 // 2003-04-24 P�tur Run�lfsson <peturr02@ru.is>
2 // Copyright (C) 2003-2021 Free Software Foundation, Inc.
3 //
4 // This file is part of the GNU ISO C++ Library.  This library is free
5 // software; you can redistribute it and/or modify it under the
6 // terms of the GNU General Public License as published by the
7 // Free Software Foundation; either version 3, or (at your option)
8 // any later version.
9 
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 // GNU General Public License for more details.
14 
15 // You should have received a copy of the GNU General Public License along
16 // with this library; see the file COPYING3.  If not see
17 // <http://www.gnu.org/licenses/>.
18 
19 #include <fstream>
20 #include <locale>
21 #include <stdexcept>
22 #include <testsuite_hooks.h>
23 
24 class Cvt : public std::codecvt<wchar_t, char, std::mbstate_t>
25 {
26 protected:
27   virtual std::codecvt_base::result
do_out(std::mbstate_t &,const wchar_t *,const wchar_t *,const wchar_t * &,char *,char *,char * &) const28   do_out(std::mbstate_t&, const wchar_t*, const wchar_t*, const wchar_t*&,
29 	 char*, char*, char*&) const
30   { throw std::runtime_error("codecvt failed"); }
31 };
32 
main()33 int main()
34 {
35   std::locale loc = std::locale(std::locale::classic(), new Cvt);
36   std::wfilebuf* fb = new std::wfilebuf;
37   fb->pubimbue(loc);
38   fb->open("tmp_10132", std::ios_base::out);
39   fb->sputc(L'a');
40 
41   try
42     {
43       delete fb;
44     }
45   catch(std::exception& obj)
46     {
47       VERIFY( false );
48     }
49   return 0;
50 }
51