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// Vector iterator invalidation tests
// Copyright (C) 2003, 2004, 2005, 2006, 2009 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/>.
// We need to be pedantic about reallocations for this testcase to be correct.
// { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" }
#ifndef _GLIBCXX_DEBUG_PEDANTIC
# define _GLIBCXX_DEBUG_PEDANTIC 1
#endif
#include <debug/vector>
#include <testsuite_hooks.h>
using __gnu_debug::vector;
bool test = true;
// Erase
void test04()
{
vector<int> v(20, 42);
// Single element erase
vector<int>::iterator before = v.begin();
vector<int>::iterator at = before + 3;
vector<int>::iterator after = at;
at = v.erase(at);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_singular());
// Multiple element erase
before = v.begin();
at = before + 3;
v.erase(at, at + 3);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_singular());
// clear()
before = v.begin();
VERIFY(before._M_dereferenceable());
v.clear();
VERIFY(before._M_singular());
}
int main()
{
test04();
return 0;
}
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