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1 | // { dg-options "-std=gnu++0x" } | |
2 | ||
3 | // Copyright (C) 2011-2014 Free Software Foundation, Inc. | |
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 3, 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 COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <unordered_set> | |
21 | #include <string> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | namespace | |
25 | { | |
26 | std::size_t | |
27 | get_nb_bucket_elems(const std::unordered_multiset<std::string>& us) | |
28 | { | |
29 | std::size_t nb = 0; | |
30 | for (std::size_t b = 0; b != us.bucket_count(); ++b) | |
31 | nb += us.bucket_size(b); | |
32 | return nb; | |
33 | } | |
34 | } | |
35 | ||
36 | void test01() | |
37 | { | |
38 | bool test __attribute__((unused)) = true; | |
39 | ||
40 | typedef std::unordered_multiset<std::string> Mset; | |
41 | typedef Mset::iterator iterator; | |
42 | typedef Mset::const_iterator const_iterator; | |
43 | ||
44 | Mset ms1; | |
45 | ||
46 | ms1.insert("foo"); | |
47 | ms1.insert("foo"); | |
48 | ms1.insert("foo"); | |
49 | ms1.insert("foo"); | |
50 | ms1.insert("foo"); | |
51 | ms1.insert("foo"); | |
52 | ms1.insert("bar"); | |
53 | ms1.insert("bar"); | |
54 | ms1.insert("bar"); | |
55 | ms1.insert("bar"); | |
56 | ms1.insert("bar"); | |
57 | ms1.insert("bar"); | |
58 | VERIFY( ms1.size() == 12 ); | |
59 | VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); | |
60 | VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); | |
61 | ||
62 | VERIFY( ms1.erase(ms1.begin()) != ms1.end() ); | |
63 | VERIFY( ms1.size() == 11 ); | |
64 | VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); | |
65 | VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); | |
66 | ||
67 | auto it = ms1.begin(); | |
68 | advance(it, 2); | |
69 | VERIFY( ms1.erase(ms1.begin(), it) != ms1.end() ); | |
70 | VERIFY( ms1.size() == 9 ); | |
71 | VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); | |
72 | VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); | |
73 | ||
74 | VERIFY( ms1.erase(*(ms1.begin())) == 3 ); | |
75 | VERIFY( ms1.size() == 6 ); | |
76 | VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); | |
77 | VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); | |
78 | ||
79 | VERIFY( ms1.erase(ms1.begin(), ms1.end()) == ms1.end() ); | |
80 | VERIFY( ms1.empty() ); | |
81 | VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); | |
82 | VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); | |
83 | } | |
84 | ||
85 | int main() | |
86 | { | |
87 | test01(); | |
88 | return 0; | |
89 | } |