| // 1999-05-11 bkoz |
| |
| // Copyright (C) 1999 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // 21.3.3 string capacity |
| |
| #include <string> |
| #include <cstdio> |
| #include <testsuite_hooks.h> |
| |
| template<typename T> |
| struct A { }; |
| |
| template<typename T> |
| bool |
| operator==(const A<T>& a, const A<T>& b) { } |
| |
| template<typename T> |
| bool |
| operator<(const A<T>& a, const A<T>& b) { } |
| |
| struct B { }; |
| |
| bool test01() |
| { |
| // 1 POD types : resize, capacity, reserve |
| bool test = true; |
| std::string str01; |
| typedef std::string::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::string str05(30, 'q'); |
| std::string str06 = str05; |
| str05 = str06 + str05; |
| VERIFY( str05.capacity() >= str05.size() ); |
| VERIFY( str06.capacity() >= str06.size() ); |
| |
| // 2 non POD types : resize, capacity, reserve |
| std::basic_string< A<B> > str02; |
| typedef std::basic_string< A<B> >::size_type size_type_o; |
| size_type_o sz03; |
| size_type_o sz04; |
| |
| sz03 = str02.capacity(); |
| str02.reserve(100); |
| sz04 = str02.capacity(); |
| VERIFY( sz04 >= sz03 ); |
| VERIFY( sz04 >= 100 ); |
| str02.reserve(); |
| sz03 = str02.capacity(); |
| VERIFY( sz03 >= 0 ); |
| |
| sz03 = str02.size() + 5; |
| str02.resize(sz03); |
| sz04 = str02.size(); |
| VERIFY( sz03 == sz04 ); |
| |
| sz03 = str02.size() - 5; |
| str02.resize(sz03); |
| sz04 = str02.size(); |
| VERIFY( sz03 == sz04 ); |
| |
| A<B> inst_obj; |
| std::basic_string<A<B> > str07(30, inst_obj); |
| std::basic_string<A<B> > str08 = str07; |
| str07 = str08 + str07; |
| VERIFY( str07.capacity() >= str07.size() ); |
| VERIFY( str08.capacity() >= str08.size() ); |
| |
| // 3 POD types: size, length, max_size, clear(), empty() |
| bool b01; |
| std::string 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 + "_addendum_"; |
| str01.c_str(); |
| sz02 = str01.length(); |
| VERIFY( sz01 == sz02 ); |
| sz02 = str011.length(); |
| VERIFY( sz02 > sz01 ); |
| |
| // trickster allocator (__USE_MALLOC, luke) issues involved with these: |
| std::string str3 = "8-chars_8-chars_"; |
| const char* p3 = str3.c_str(); |
| std::string str4 = str3 + "7-chars"; |
| const char* p4 = str3.c_str(); |
| |
| 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 ); |
| |
| |
| // 4 non-POD types: size, length, max_size, clear(), empty() |
| b01 = str02.empty(); |
| VERIFY( b01 == true ); |
| sz03 = str02.size(); |
| sz04 = str02.length(); |
| VERIFY( sz03 == sz04 ); |
| str02.c_str(); |
| sz03 = str02.size(); |
| sz04 = str02.length(); |
| VERIFY( sz03 == sz04 ); |
| |
| sz03 = str02.max_size(); |
| VERIFY( sz03 >= sz04 ); |
| |
| sz03 = str02.size(); |
| str02.clear(); |
| b01 = str02.empty(); |
| VERIFY( b01 == true ); |
| sz04 = str02.size(); |
| VERIFY( sz03 >= sz04 ); |
| |
| #ifdef DEBUG_ASSERT |
| assert(test); |
| #endif |
| |
| return test; |
| } |
| |
| // libstdc++/4548 |
| // http://gcc.gnu.org/ml/libstdc++/2001-11/msg00150.html |
| bool test02() |
| { |
| bool test = true; |
| |
| std::string str01 = "twelve chars"; |
| // str01 becomes shared |
| std::string str02 = str01; |
| str01.reserve(1); |
| VERIFY( str01.capacity() == 12 ); |
| |
| #ifdef DEBUG_ASSERT |
| assert(test); |
| #endif |
| |
| return test; |
| } |
| |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| |
| return 0; |
| } |