blob: 8300fa57a75de0e86203f2224a27ee6ae4b3cf55 [file] [log] [blame]
// Deque iterator invalidation tests
// Copyright (C) 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
#include <debug/deque>
#include <testsuite_hooks.h>
using __gnu_debug::deque;
bool test = true;
// Erase
void test04()
{
deque<int> v(20, 42);
// Single element erase (middle)
deque<int>::iterator before = v.begin();
deque<int>::iterator at = before + 3;
deque<int>::iterator after = at;
at = v.erase(at);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_singular());
// Single element erase (end)
before = v.begin();
at = before;
after = at + 1;
at = v.erase(at);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_dereferenceable());
// Multiple element erase
before = v.begin();
at = before + 3;
v.erase(at, at + 3);
VERIFY(before._M_singular());
VERIFY(at._M_singular());
// Multiple element erase at end
before = v.begin();
at = before + 3;
v.erase(at, v.end());
*before;
// clear()
before = v.begin();
VERIFY(before._M_dereferenceable());
v.clear();
VERIFY(before._M_singular());
}
#if !__GXX_WEAK__ && _MT_ALLOCATOR_H
// Explicitly instantiate for systems with no COMDAT or weak support.
template class __gnu_cxx::__mt_alloc<int*>;
template class __gnu_cxx::__mt_alloc<int>;
#endif
int main()
{
test04();
return 0;
}