// 981208 bkoz test functionality of basic_stringbuf for char_type == char // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009 // 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 // . #include #include std::string str_01("mykonos. . . or what?"); std::string str_02("paris, or sainte-maxime?"); std::string str_03; std::stringbuf strb_01(str_01); std::stringbuf strb_02(str_02, std::ios_base::in); std::stringbuf strb_03(str_03, std::ios_base::out); // test overloaded virtual functions void test04() { bool test __attribute__((unused)) = true; std::string str_tmp; std::streamsize strmsz_1, strmsz_2; typedef std::stringbuf::int_type int_type; typedef std::stringbuf::traits_type traits_type; // PUT strb_03.str(str_01); //reset std::string::size_type sz1 = strb_03.str().length(); std::string::size_type sz2 = strb_03.str().length(); // streamsize sputn(const char_typs* s, streamsize n) // write up to n chars to out_cur from s, returning number assigned // NB *sputn will happily put '\0' into your stream if you give it a chance* str_tmp = strb_03.str(); sz1 = str_tmp.length(); strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?" sz2 = strb_03.str().length(); VERIFY( sz1 == sz2 ); //shouldn't have changed length VERIFY( strmsz_1 == 10 ); VERIFY( str_tmp != strb_03.str() ); strmsz_2 = strb_03.sputn(", i wanna reach out and", 23); VERIFY( strmsz_1 != strmsz_2 ); // should re-allocate, copy 10 chars. VERIFY( strmsz_1 == 10 ); VERIFY( strmsz_2 == 23 ); sz2 = strb_03.str().length(); VERIFY( sz1 != sz2 ); // need to change length VERIFY( str_tmp != strb_03.str() ); str_tmp = strb_02.str(); strmsz_1 = strb_02.sputn("racadabra", 10); VERIFY( strmsz_1 == 0 ); VERIFY( str_tmp == strb_02.str() ); } int main() { test04(); return 0; } // more candy!!!