// Map iterator invalidation tests// Copyright (C) 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,// USA.#include <debug/map>#include <iterator>#include <testsuite_hooks.h>using __gnu_debug::map;using std::advance;bool test = true;// Assignmentvoid test01(){map<int, int> v1;map<int, int> v2;v1[17] = 42;map<int, int>::iterator start = v1.begin();map<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;}