1// Deque iterator invalidation tests
2
3// Copyright (C) 2003, 2005 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 2, 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 COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21#include <debug/deque>
22#include <testsuite_hooks.h>
23
24using __gnu_debug::deque;
25
26bool test = true;
27
28// Erase
29void test04()
30{
31  deque<int> v(20, 42);
32
33  // Single element erase (middle)
34  deque<int>::iterator before = v.begin();
35  deque<int>::iterator at = before + 3;
36  deque<int>::iterator after = at;
37  at = v.erase(at);
38  VERIFY(before._M_singular());
39  VERIFY(at._M_dereferenceable());
40  VERIFY(after._M_singular());
41
42  // Single element erase (end)
43  before = v.begin();
44  at = before;
45  after = at + 1;
46  at = v.erase(at);
47  VERIFY(before._M_singular());
48  VERIFY(at._M_dereferenceable());
49  VERIFY(after._M_dereferenceable());
50
51  // Multiple element erase
52  before = v.begin();
53  at = before + 3;
54  v.erase(at, at + 3);
55  VERIFY(before._M_singular());
56  VERIFY(at._M_singular());
57
58  // Multiple element erase at end
59  before = v.begin();
60  at = before + 3;
61  v.erase(at, v.end());
62  *before;
63
64  // clear()
65  before = v.begin();
66  VERIFY(before._M_dereferenceable());
67  v.clear();
68  VERIFY(before._M_singular());
69}
70
71int main()
72{
73  test04();
74  return 0;
75}
76