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// Deque 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/deque>
#include <testsuite_hooks.h>
using __gnu_debug::deque;
bool test = true;
// Resize
void test02()
{
deque<int> v(10, 17);
deque<int>::iterator before = v.begin() + 6;
deque<int>::iterator at = before + 1;
deque<int>::iterator after = at + 1;
// Shrink
v.resize(7);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_singular());
VERIFY(after._M_singular());
// Grow
before = v.begin() + 6;
v.resize(17);
VERIFY(before._M_singular());
}
int main()
{
test02();
return 0;
}
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