1// Deque 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/deque>
21#include <testsuite_hooks.h>
22
23using __gnu_debug::deque;
24
25bool test = true;
26
27// Erase
28void test04()
29{
30  deque<int> v(20, 42);
31
32  // Single element erase (middle)
33  deque<int>::iterator before = v.begin();
34  deque<int>::iterator at = before + 3;
35  deque<int>::iterator after = at;
36  at = v.erase(at);
37  VERIFY(before._M_singular());
38  VERIFY(at._M_dereferenceable());
39  VERIFY(after._M_singular());
40
41  // Single element erase (end)
42  before = v.begin();
43  at = before;
44  after = at + 1;
45  at = v.erase(at);
46  VERIFY(before._M_singular());
47  VERIFY(at._M_dereferenceable());
48  VERIFY(after._M_dereferenceable());
49
50  // Multiple element erase
51  before = v.begin();
52  at = before + 3;
53  v.erase(at, at + 3);
54  VERIFY(before._M_singular());
55  VERIFY(at._M_singular());
56
57  // Multiple element erase at end
58  before = v.begin();
59  at = before + 3;
60  v.erase(at, v.end());
61  *before;
62
63  // clear()
64  before = v.begin();
65  VERIFY(before._M_dereferenceable());
66  v.clear();
67  VERIFY(before._M_singular());
68}
69
70int main()
71{
72  test04();
73  return 0;
74}
75