libstdc++-v3/testsuite/27_io/basic_ostream/exceptions/wchar_t/9561.cc

   1 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 #include <ostream>
  19 #include <streambuf>
  20 #include <testsuite_hooks.h>
  21
  22 // libstdc++/9561
  23 struct foobar: std::exception { };
  24
  25 struct buf: std::wstreambuf
  26 {
  27   virtual int_type
  28   overflow(int_type)
  29   {
  30     throw foobar();
  31     return int_type();
  32   }
  33 };
  34
  35 void test01()
  36 {
  37   using namespace std;
  38
  39   buf b;
  40   std::wostream strm(&b);
  41   strm.exceptions(std::wios::badbit);
  42
  43   try
  44     {
  45       strm << std::endl;
  46     }
  47   catch(foobar)
  48     {
  49       // strm should throw foobar and not do anything else
  50       VERIFY(strm.bad());
  51       return;
  52     }
  53   catch(...)
  54     {
  55       VERIFY( false );
  56       return;
  57     }
  58   VERIFY( false );
  59 }
  60
  61 int main()
  62 {
  63   test01();
  64   return 0;
  65 }