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d570f2e9 | 1 | // Vector iterator invalidation tests |
2 | ||
f1717362 | 3 | // Copyright (C) 2003-2016 Free Software Foundation, Inc. |
d570f2e9 | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
d570f2e9 | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
d570f2e9 | 19 | |
20 | // We need to be pedantic about reallocations for this testcase to be correct. | |
d754b55a | 21 | // { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" } |
d570f2e9 | 22 | |
23 | #ifndef _GLIBCXX_DEBUG_PEDANTIC | |
24 | # define _GLIBCXX_DEBUG_PEDANTIC 1 | |
25 | #endif | |
26 | ||
27 | #include <debug/vector> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
0f9791a5 | 30 | using __gnu_debug::vector; |
d570f2e9 | 31 | |
32 | bool test = true; | |
33 | ||
34 | // Insert | |
35 | void test03() | |
36 | { | |
37 | vector<int> v(10, 17); | |
38 | v.reserve(30); | |
39 | ||
40 | // Insert a single element | |
41 | vector<int>::iterator before = v.begin() + 6; | |
42 | vector<int>::iterator at = before + 1; | |
43 | vector<int>::iterator after = at; | |
44 | at = v.insert(at, 42); | |
45 | VERIFY(before._M_dereferenceable()); | |
46 | VERIFY(at._M_dereferenceable()); | |
47 | VERIFY(after._M_singular()); | |
48 | ||
49 | // Insert multiple copies | |
50 | before = v.begin() + 6; | |
51 | at = before + 1; | |
52 | v.insert(at, 3, 42); | |
53 | VERIFY(before._M_dereferenceable()); | |
54 | VERIFY(at._M_singular()); | |
55 | ||
56 | // Insert iterator range | |
57 | static int data[] = { 2, 3, 5, 7 }; | |
58 | before = v.begin() + 6; | |
59 | at = before + 1; | |
60 | v.insert(at, &data[0], &data[0] + 4); | |
61 | VERIFY(before._M_dereferenceable()); | |
62 | VERIFY(at._M_singular()); | |
63 | ||
64 | // Insert with reallocation | |
65 | before = v.begin() + 6; | |
66 | at = before + 1; | |
67 | v.insert(at, 30, 17); | |
68 | VERIFY(before._M_singular()); | |
69 | VERIFY(at._M_singular()); | |
70 | ||
71 | // Single insert with reallocation | |
72 | vector<int> v2; | |
73 | v2.reserve(100); | |
74 | at = v2.begin(); | |
75 | v2.insert(at, 100, 17); | |
76 | at = v2.end() - 1; | |
77 | before = v2.begin(); | |
78 | VERIFY(at._M_dereferenceable()); | |
79 | VERIFY(before._M_dereferenceable()); | |
80 | at = v2.insert(at, 42); | |
81 | VERIFY(at._M_dereferenceable()); | |
82 | VERIFY(before._M_singular()); | |
83 | } | |
84 | ||
85 | int main() | |
86 | { | |
87 | test03(); | |
25be47cd | 88 | return 0; |
d570f2e9 | 89 | } |