1 // Vector iterator invalidation tests
3 // Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
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)
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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.
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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,
21 // We need to be pedantic about reallocations for this testcase to be correct.
22 // { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" }
24 #ifndef _GLIBCXX_DEBUG_PEDANTIC
25 # define _GLIBCXX_DEBUG_PEDANTIC 1
28 #include <debug/vector>
29 #include <testsuite_hooks.h>
31 using __gnu_debug::vector
;
38 vector
<int> v(10, 17);
41 // Insert a single element
42 vector
<int>::iterator before
= v
.begin() + 6;
43 vector
<int>::iterator at
= before
+ 1;
44 vector
<int>::iterator after
= at
;
45 at
= v
.insert(at
, 42);
46 VERIFY(before
._M_dereferenceable());
47 VERIFY(at
._M_dereferenceable());
48 VERIFY(after
._M_singular());
50 // Insert multiple copies
51 before
= v
.begin() + 6;
54 VERIFY(before
._M_dereferenceable());
55 VERIFY(at
._M_singular());
57 // Insert iterator range
58 static int data
[] = { 2, 3, 5, 7 };
59 before
= v
.begin() + 6;
61 v
.insert(at
, &data
[0], &data
[0] + 4);
62 VERIFY(before
._M_dereferenceable());
63 VERIFY(at
._M_singular());
65 // Insert with reallocation
66 before
= v
.begin() + 6;
69 VERIFY(before
._M_singular());
70 VERIFY(at
._M_singular());
72 // Single insert with reallocation
76 v2
.insert(at
, 100, 17);
79 VERIFY(at
._M_dereferenceable());
80 VERIFY(before
._M_dereferenceable());
81 at
= v2
.insert(at
, 42);
82 VERIFY(at
._M_dereferenceable());
83 VERIFY(before
._M_singular());