libstdc++-v3/testsuite/27_io/basic_filebuf/cons/wchar_t/10132-1.cc

   1 // 2003-04-24 Pétur Runólfsson <peturr02@ru.is>
   2 // Copyright (C) 2003-2018 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
  28   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
  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 }