1// List iterator invalidation tests
2
3// Copyright (C) 2003-2015 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20#include <debug/list>
21#include <iterator>
22#include <testsuite_hooks.h>
23
24// Resize
25void test02()
26{
27  using std::advance;
28
29  bool test __attribute__((unused)) = true;
30
31  typedef __gnu_debug::list<int> list_type;
32
33  list_type v(10, 17);
34
35  list_type::iterator before = v.begin();
36  advance(before, 6);
37  list_type::iterator at = before;
38  advance(at, 1);
39  list_type::iterator after = at;
40  advance(after, 1);
41  list_type::iterator finish = v.end();
42
43  // Shrink
44  v.resize(7);
45  VERIFY(before._M_dereferenceable());
46  VERIFY(at._M_singular());
47  VERIFY(after._M_singular());
48  VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
49}
50
51int main()
52{
53  test02();
54  return 0;
55}
56