libstdc++-v3/testsuite/20_util/bitset/debug/invalidation/1.cc

   1 // Bitset reference invalidation tests
   2
   3 // Copyright (C) 2003-2023 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 // { dg-require-effective-target hosted }
  21
  22 #include <debug/bitset>
  23 #include <testsuite_hooks.h>
  24
  25 using __gnu_debug::bitset;
  26
  27 bool test = true;
  28
  29 // Disappear
  30 void test01()
  31 {
  32   bitset<32>::reference* i;
  33   {
  34     bitset<32> bs;
  35     bs.flip(7);
  36     i = new bitset<32>::reference(bs[7]);
  37     VERIFY(*i);
  38   }
  39 #if __cplusplus < 201103L
  40   VERIFY(i->_M_singular());
  41 #endif
  42   delete i;
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }