| // 2004-11-29 Paolo Carlini <pcarlini@suse.de> |
| |
| // Copyright (C) 2004 Free Software Foundation |
| // |
| // 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. |
| |
| // 21.3.3 string capacity |
| |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| // libstdc++/18654 |
| void test01() |
| { |
| using namespace std; |
| bool test __attribute__((unused)) = true; |
| |
| typedef string::size_type size_type; |
| |
| // Our current implementation provides exact shrink-to-size |
| // and shrink-to-fit (in the future, maybe this will change |
| // for short strings). |
| const size_type minsize = 2 << 0; |
| const size_type maxsize = 2 << 20; |
| for (size_type i = minsize; i <= maxsize; i *= 2) |
| { |
| string str(i, 'x'); |
| str.reserve(3 * i); |
| |
| str.reserve(2 * i); |
| VERIFY( str.capacity() == 2 * i ); |
| |
| str.reserve(); |
| VERIFY( str.capacity() == i ); |
| } |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |