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

   1 // 1999-10-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
   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 2, 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 COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 // 27.5.2 template class basic_streambuf
  32
  33 #include <string>
  34 #include <sstream>
  35 #include <testsuite_hooks.h>
  36
  37 class nullsetpbuf : public std::wstringbuf
  38 {
  39   wchar_t foo[64];
  40 public:
  41   nullsetpbuf()
  42   {
  43     setp(foo, foo + 64);
  44     setp(NULL, NULL);
  45   }
  46 };
  47
  48 // libstdc++/1057
  49 void test05()
  50 {
  51   std::wstring text1 = L"abcdefghijklmn";
  52
  53   nullsetpbuf nsp;
  54   // Immediate crash as sputc writes to null pointer
  55   nsp.sputc(L'a');
  56 }
  57
  58 int main()
  59 {
  60   test05();
  61   return 0;
  62 }