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// Multimap iterator invalidation tests
// Copyright (C) 2003-2019 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;
}
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