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1 | // Map iterator invalidation tests |
2 | ||
a5544970 | 3 | // Copyright (C) 2003-2019 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/map> | |
21 | #include <iterator> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
7ec4a5ce | 24 | using __gnu_debug::map; |
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25 | using std::advance; |
26 | ||
27 | bool test = true; | |
28 | ||
29 | // Erase | |
30 | void test02() | |
31 | { | |
32 | map<int, int> v; | |
33 | for (int i = 0; i < 20; ++i) | |
34 | v[i] = 20-i; | |
35 | ||
36 | // Single element erase (middle) | |
37 | map<int, int>::iterator before = v.begin(); | |
38 | map<int, int>::iterator at = before; | |
39 | advance(at, 3); | |
40 | map<int, int>::iterator after = at; | |
41 | ++after; | |
42 | v.erase(at); | |
43 | VERIFY(before._M_dereferenceable()); | |
44 | VERIFY(at._M_singular()); | |
45 | VERIFY(after._M_dereferenceable()); | |
46 | ||
47 | // Multiple element erase | |
48 | before = v.begin(); | |
49 | at = before; | |
50 | advance(at, 3); | |
51 | after = at; | |
52 | advance(after, 4); | |
53 | v.erase(at, after); | |
54 | VERIFY(before._M_dereferenceable()); | |
55 | VERIFY(at._M_singular()); | |
56 | ||
57 | // clear() | |
58 | before = v.begin(); | |
59 | map<int, int>::iterator finish = v.end(); | |
60 | VERIFY(before._M_dereferenceable()); | |
61 | v.clear(); | |
62 | VERIFY(before._M_singular()); | |
63 | VERIFY(!finish._M_singular() && !finish._M_dereferenceable()); | |
64 | } | |
65 | ||
66 | int main() | |
67 | { | |
68 | test02(); | |
80e39f4a | 69 | return 0; |
285b36d6 | 70 | } |