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// Multimap iterator invalidation tests

// Copyright (C) 2003, 2005, 2006, 2009 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/map>

#include <iterator>

#include <testsuite_hooks.h>

#include <utility>

using __gnu_debug::multimap;

using std::advance;

bool test = true;

// Assignment

void test01()

{

  multimap<int, int> v1;

  multimap<int, int> v2;

  v1.insert(std::make_pair(17, 42));

  multimap<int, int>::iterator start = v1.begin();

  multimap<int, int>::iterator finish = v1.end();

  VERIFY(start._M_dereferenceable());

  VERIFY(!finish._M_dereferenceable() && !finish._M_singular());

  v1 = v2;

  VERIFY(start._M_singular());

  VERIFY(!finish._M_dereferenceable() && !finish._M_singular());

}

int main()

{

  test01();

  return 0;

}