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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 23_containers / bitset / debug / invalidation / 1.cc

// Bitset reference invalidation tests

// Copyright (C) 2003-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <debug/bitset>
#include <testsuite_hooks.h>

using __gnu_debug::bitset;

bool test = true;

// Disappear
void test01()
{
  bitset<32>::reference* i;
  {
    bitset<32> bs;
    bs.flip(7);
    i = new bitset<32>::reference(bs[7]);
    VERIFY(*i);
  }
#if __cplusplus < 201103L
  VERIFY(i->_M_singular());
#endif
  delete i;
}

int main()
{
  test01();
  return 0;
}