| // { dg-options "-std=gnu++0x" } |
| |
| // Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <unordered_set> |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| namespace |
| { |
| std::size_t |
| get_nb_bucket_elems(const std::unordered_multiset<std::string>& us) |
| { |
| std::size_t nb = 0; |
| for (std::size_t b = 0; b != us.bucket_count(); ++b) |
| nb += us.bucket_size(b); |
| return nb; |
| } |
| } |
| |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| typedef std::unordered_multiset<std::string> Mset; |
| typedef Mset::iterator iterator; |
| typedef Mset::const_iterator const_iterator; |
| |
| Mset ms1; |
| |
| ms1.insert("foo"); |
| ms1.insert("foo"); |
| ms1.insert("foo"); |
| ms1.insert("foo"); |
| ms1.insert("foo"); |
| ms1.insert("foo"); |
| ms1.insert("bar"); |
| ms1.insert("bar"); |
| ms1.insert("bar"); |
| ms1.insert("bar"); |
| ms1.insert("bar"); |
| ms1.insert("bar"); |
| VERIFY( ms1.size() == 12 ); |
| VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); |
| VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); |
| |
| VERIFY( ms1.erase(ms1.begin()) != ms1.end() ); |
| VERIFY( ms1.size() == 11 ); |
| VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); |
| VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); |
| |
| auto it = ms1.begin(); |
| advance(it, 2); |
| VERIFY( ms1.erase(ms1.begin(), it) != ms1.end() ); |
| VERIFY( ms1.size() == 9 ); |
| VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); |
| VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); |
| |
| VERIFY( ms1.erase(*(ms1.begin())) == 3 ); |
| VERIFY( ms1.size() == 6 ); |
| VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); |
| VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); |
| |
| VERIFY( ms1.erase(ms1.begin(), ms1.end()) == ms1.end() ); |
| VERIFY( ms1.empty() ); |
| VERIFY( get_nb_bucket_elems(ms1) == ms1.size() ); |
| VERIFY( distance(ms1.begin(), ms1.end()) - ms1.size() == 0 ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |