1// Vector iterator invalidation tests
2
3// Copyright (C) 2003, 2004, 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// We need to be pedantic about reallocations for this testcase to be correct.
22// { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" }
23
24#ifndef _GLIBCXX_DEBUG_PEDANTIC
25#  define _GLIBCXX_DEBUG_PEDANTIC 1
26#endif
27
28#include <debug/vector>
29#include <testsuite_hooks.h>
30
31using __gnu_debug::vector;
32
33bool test = true;
34
35// Erase
36void test04()
37{
38  vector<int> v(20, 42);
39
40  // Single element erase
41  vector<int>::iterator before = v.begin();
42  vector<int>::iterator at = before + 3;
43  vector<int>::iterator after = at;
44  at = v.erase(at);
45  VERIFY(before._M_dereferenceable());
46  VERIFY(at._M_dereferenceable());
47  VERIFY(after._M_singular());
48
49  // Multiple element erase
50  before = v.begin();
51  at = before + 3;
52  v.erase(at, at + 3);
53  VERIFY(before._M_dereferenceable());
54  VERIFY(at._M_singular());
55
56  // clear()
57  before = v.begin();
58  VERIFY(before._M_dereferenceable());
59  v.clear();
60  VERIFY(before._M_singular());
61}
62
63int main()
64{
65  test04();
66  return 0;
67}
68