| // 1999-05-11 bkoz |
| |
| // Copyright (C) 1999-2013 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/>. |
| |
| // 21.3.3 string capacity |
| |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| // POD types : resize, capacity, reserve |
| bool test __attribute__((unused)) = true; |
| std::wstring str01; |
| typedef std::wstring::size_type size_type_s; |
| |
| size_type_s sz01 = str01.capacity(); |
| str01.reserve(100); |
| size_type_s sz02 = str01.capacity(); |
| VERIFY( sz02 >= sz01 ); |
| VERIFY( sz02 >= 100 ); |
| str01.reserve(); |
| sz01 = str01.capacity(); |
| VERIFY( sz01 == 0 ); |
| |
| sz01 = str01.size() + 5; |
| str01.resize(sz01); |
| sz02 = str01.size(); |
| VERIFY( sz01 == sz02 ); |
| |
| sz01 = str01.size() - 5; |
| str01.resize(sz01); |
| sz02 = str01.size(); |
| VERIFY( sz01 == sz02 ); |
| |
| std::wstring str05(30, L'q'); |
| std::wstring str06 = str05; |
| str05 = str06 + str05; |
| VERIFY( str05.capacity() >= str05.size() ); |
| VERIFY( str06.capacity() >= str06.size() ); |
| |
| // POD types: size, length, max_size, clear(), empty() |
| bool b01; |
| std::wstring str011; |
| b01 = str01.empty(); |
| VERIFY( b01 == true ); |
| sz01 = str01.size(); |
| sz02 = str01.length(); |
| VERIFY( sz01 == sz02 ); |
| str01.c_str(); |
| sz01 = str01.size(); |
| sz02 = str01.length(); |
| VERIFY( sz01 == sz02 ); |
| |
| sz01 = str01.length(); |
| str01.c_str(); |
| str011 = str01 + L"_addendum_"; |
| str01.c_str(); |
| sz02 = str01.length(); |
| VERIFY( sz01 == sz02 ); |
| sz02 = str011.length(); |
| VERIFY( sz02 > sz01 ); |
| |
| // trickster allocator issues involved with these: |
| std::wstring str3 = L"8-chars_8-chars_"; |
| std::wstring str4 = str3 + L"7-chars"; |
| |
| sz01 = str01.size(); |
| sz02 = str01.max_size(); |
| VERIFY( sz02 >= sz01 ); |
| |
| sz01 = str01.size(); |
| str01.clear(); |
| b01 = str01.empty(); |
| VERIFY( b01 == true ); |
| sz02 = str01.size(); |
| VERIFY( sz01 >= sz02 ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |