libstdc++-v3/testsuite/27_io/basic_streambuf/sputc/wchar_t/1057.cc

   1 // 1999-10-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
   4 // 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
  22 // 27.5.2 template class basic_streambuf
  23
  24 #include <string>
  25 #include <streambuf>
  26 #include <testsuite_hooks.h>
  27
  28 class nullsetpbuf : public std::wstreambuf
  29 {
  30   wchar_t foo[64];
  31 public:
  32   nullsetpbuf()
  33   {
  34     setp(foo, foo + 64);
  35     setp(0, 0);
  36   }
  37 };
  38
  39 // libstdc++/1057
  40 void test05()
  41 {
  42   std::wstring text1 = L"abcdefghijklmn";
  43
  44   nullsetpbuf nsp;
  45   // Immediate crash as sputc writes to null pointer
  46   nsp.sputc(L'a');
  47 }
  48
  49 int main()
  50 {
  51   test05();
  52   return 0;
  53 }