testsuite_flags.in: Add "-D_GLIBCXX_ASSERT" to CXXFLAGS_save.

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

// Bitset reference invalidation tests

// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

#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);
  }
  VERIFY(i->_M_singular());
  delete i;
}

int main()
{
  test01();
  return !test;
}