| // 2006-02-22 Paolo Carlini <pcarlini@suse.de> |
| // |
| // Copyright (C) 2006 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // 6.3 Unordered associative containers |
| |
| #include <tr1/unordered_set> |
| #include <testsuite_hooks.h> |
| |
| // libstdc++/26132 |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| for (float lf = 1.0; lf < 101.0; lf *= 10.0) |
| for (int size = 1; size <= 6561; size *= 3) |
| { |
| std::tr1::unordered_set<int> us1; |
| typedef std::tr1::unordered_set<int>::size_type size_type; |
| |
| us1.max_load_factor(10.0); |
| |
| for (int i = 0; i < size; ++i) |
| us1.insert(i); |
| |
| us1.max_load_factor(lf); |
| |
| for (int i = 1; i <= 6561; i *= 81) |
| { |
| const size_type n = size * 81 / i; |
| us1.rehash(n); |
| VERIFY( us1.bucket_count() > us1.size() / us1.max_load_factor() ); |
| VERIFY( us1.bucket_count() >= n ); |
| } |
| } |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |