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// List iterator invalidation tests
// Copyright (C) 2003-2018 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/list>
#include <iterator>
#include <testsuite_hooks.h>
// Erase
void test03()
{
using std::advance;
typedef __gnu_debug::list<int> list_type;
list_type v(20, 42);
// Single element erase (middle)
list_type::iterator before = v.begin();
list_type::iterator at = before;
advance(at, 3);
list_type::iterator after = at;
at = v.erase(at);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_singular());
// Single element erase (end)
before = v.begin();
at = before;
after = at;
++after;
at = v.erase(at);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_dereferenceable());
// Multiple element erase
before = v.begin();
at = before;
advance(at, 3);
after = at;
advance(after, 3);
v.erase(at, after);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_singular());
// clear()
before = v.begin();
list_type::iterator finish = v.end();
VERIFY(before._M_dereferenceable());
v.clear();
VERIFY(before._M_singular());
VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
}
int main()
{
test03();
return 0;
}
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