libstdc++-v3/testsuite/27_io/objects/wchar_t/6.cc

   1 // 2003-05-01  Petur Runolfsson  <peturr02@ru.is>
   2
   3 // Copyright (C) 2003-2022 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 // 27.3 Standard iostream objects
  21
  22 // ios_base::Init::~Init() calls wcout.flush(), which may call
  23 // wcout.setstate(badbit), which may throw an exception. Check that
  24 // the exception doesn't escape from the destructor.
  25
  26 #include <iostream>
  27 #include <streambuf>
  28
  29 class Badbuf : public std::wstreambuf
  30 {
  31 protected:
  32   virtual int sync()
  33   {
  34     return -1;
  35   }
  36 };
  37
  38 void test06()
  39 {
  40   std::ios_base::Init init;
  41   std::wcout.rdbuf(new Badbuf);
  42   std::wcout.exceptions(std::ios_base::badbit);
  43 }
  44
  45 int main()
  46 {
  47   test06();
  48   return 0;
  49 }