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1 | // List iterator invalidation tests |
2 | ||
a945c346 | 3 | // Copyright (C) 2003-2024 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/list> | |
21 | #include <iterator> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
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24 | // Erase |
25 | void test03() | |
26 | { | |
875d0f10 | 27 | using std::advance; |
a9260b7e | 28 | |
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29 | typedef __gnu_debug::list<int> list_type; |
30 | ||
31 | list_type v(20, 42); | |
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32 | |
33 | // Single element erase (middle) | |
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34 | list_type::iterator before = v.begin(); |
35 | list_type::iterator at = before; | |
285b36d6 | 36 | advance(at, 3); |
875d0f10 | 37 | list_type::iterator after = at; |
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38 | at = v.erase(at); |
39 | VERIFY(before._M_dereferenceable()); | |
40 | VERIFY(at._M_dereferenceable()); | |
41 | VERIFY(after._M_singular()); | |
42 | ||
43 | // Single element erase (end) | |
44 | before = v.begin(); | |
45 | at = before; | |
46 | after = at; | |
47 | ++after; | |
48 | at = v.erase(at); | |
49 | VERIFY(before._M_singular()); | |
50 | VERIFY(at._M_dereferenceable()); | |
51 | VERIFY(after._M_dereferenceable()); | |
52 | ||
53 | // Multiple element erase | |
54 | before = v.begin(); | |
55 | at = before; | |
56 | advance(at, 3); | |
57 | after = at; | |
58 | advance(after, 3); | |
59 | v.erase(at, after); | |
60 | VERIFY(before._M_dereferenceable()); | |
61 | VERIFY(at._M_singular()); | |
62 | ||
63 | // clear() | |
64 | before = v.begin(); | |
875d0f10 | 65 | list_type::iterator finish = v.end(); |
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66 | VERIFY(before._M_dereferenceable()); |
67 | v.clear(); | |
68 | VERIFY(before._M_singular()); | |
69 | VERIFY(!finish._M_singular() && !finish._M_dereferenceable()); | |
70 | } | |
71 | ||
72 | int main() | |
73 | { | |
74 | test03(); | |
80e39f4a | 75 | return 0; |
285b36d6 | 76 | } |