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1 | // Deque iterator invalidation tests |
2 | ||
99dee823 | 3 | // Copyright (C) 2003-2021 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | #include <debug/deque> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
7ec4a5ce | 23 | using __gnu_debug::deque; |
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24 | |
25 | bool test = true; | |
26 | ||
27 | // Erase | |
28 | void 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 | ||
1b80d64a DG |
57 | // Multiple element erase at end |
58 | before = v.begin(); | |
59 | at = before + 3; | |
60 | v.erase(at, v.end()); | |
61 | *before; | |
62 | ||
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63 | // clear() |
64 | before = v.begin(); | |
65 | VERIFY(before._M_dereferenceable()); | |
66 | v.clear(); | |
67 | VERIFY(before._M_singular()); | |
68 | } | |
69 | ||
70 | int main() | |
71 | { | |
72 | test04(); | |
80e39f4a | 73 | return 0; |
285b36d6 | 74 | } |