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1 | // Map iterator invalidation tests |
2 | ||
f90e600a | 3 | // Copyright (C) 2003, 2004 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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | #include <debug/map> | |
22 | #include <iterator> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | using __gnu_debug::map; | |
26 | using std::advance; | |
27 | ||
28 | bool test = true; | |
29 | ||
30 | // Erase | |
31 | void test02() | |
32 | { | |
33 | map<int, int> v; | |
34 | for (int i = 0; i < 20; ++i) | |
35 | v[i] = 20-i; | |
36 | ||
37 | // Single element erase (middle) | |
38 | map<int, int>::iterator before = v.begin(); | |
39 | map<int, int>::iterator at = before; | |
40 | advance(at, 3); | |
41 | map<int, int>::iterator after = at; | |
42 | ++after; | |
43 | v.erase(at); | |
44 | VERIFY(before._M_dereferenceable()); | |
45 | VERIFY(at._M_singular()); | |
46 | VERIFY(after._M_dereferenceable()); | |
47 | ||
48 | // Multiple element erase | |
49 | before = v.begin(); | |
50 | at = before; | |
51 | advance(at, 3); | |
52 | after = at; | |
53 | advance(after, 4); | |
54 | v.erase(at, after); | |
55 | VERIFY(before._M_dereferenceable()); | |
56 | VERIFY(at._M_singular()); | |
57 | ||
58 | // clear() | |
59 | before = v.begin(); | |
60 | map<int, int>::iterator finish = v.end(); | |
61 | VERIFY(before._M_dereferenceable()); | |
62 | v.clear(); | |
63 | VERIFY(before._M_singular()); | |
64 | VERIFY(!finish._M_singular() && !finish._M_dereferenceable()); | |
65 | } | |
66 | ||
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67 | #if !__GXX_WEAK__ && _MT_ALLOCATOR_H |
68 | // Explicitly instantiate for systems with no COMDAT or weak support. | |
69 | template class __gnu_cxx::__mt_alloc<std::_Rb_tree_node<std::pair<int const, int> > >; | |
70 | #endif | |
71 | ||
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72 | int main() |
73 | { | |
74 | test02(); | |
75 | return !test; | |
76 | } |