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// Erase
25void test03()
26{
27  using std::advance;
28
29  bool test __attribute__((unused)) = true;
30  typedef __gnu_debug::list<int> list_type;
31
32  list_type v(20, 42);
33
34  // Single element erase (middle)
35  list_type::iterator before = v.begin();
36  list_type::iterator at = before;
37  advance(at, 3);
38  list_type::iterator after = at;
39  at = v.erase(at);
40  VERIFY(before._M_dereferenceable());
41  VERIFY(at._M_dereferenceable());
42  VERIFY(after._M_singular());
43
44  // Single element erase (end)
45  before = v.begin();
46  at = before;
47  after = at;
48  ++after;
49  at = v.erase(at);
50  VERIFY(before._M_singular());
51  VERIFY(at._M_dereferenceable());
52  VERIFY(after._M_dereferenceable());
53
54  // Multiple element erase
55  before = v.begin();
56  at = before;
57  advance(at, 3);
58  after = at;
59  advance(after, 3);
60  v.erase(at, after);
61  VERIFY(before._M_dereferenceable());
62  VERIFY(at._M_singular());
63
64  // clear()
65  before = v.begin();
66  list_type::iterator finish = v.end();
67  VERIFY(before._M_dereferenceable());
68  v.clear();
69  VERIFY(before._M_singular());
70  VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
71}
72
73int main()
74{
75  test03();
76  return 0;
77}
78