libstdc++-v3/testsuite/23_containers/bitset/invalidation/1.cc

   1 // Bitset reference invalidation tests
   2
   3 // Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <debug/bitset>
  22 #include <testsuite_hooks.h>
  23
  24 using __gnu_debug::bitset;
  25
  26 bool test = true;
  27
  28 // Disappear
  29 void test01()
  30 {
  31   bitset<32>::reference* i;
  32   {
  33     bitset<32> bs;
  34     bs.flip(7);
  35     i = new bitset<32>::reference(bs[7]);
  36     VERIFY(*i);
  37   }
  38   VERIFY(i->_M_singular());
  39   delete i;
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return !test;
  46 }