// 2000-01-10 bkoz // Copyright (C) 2000 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. // 27.7.2 template class basic_istringstream // 27.7.2.2 member functions (istringstream_members) // stringbuf* rdbuf() const #include #include void test01() { bool test = true; std::istringstream is01; const std::string str01 = "123"; std::string str02; const int i01 = 123; int a,b; std::ios_base::iostate state1, state2, statefail, stateeof; statefail = std::ios_base::failbit; stateeof = std::ios_base::eofbit; // void str(const basic_string&) is01.str(str01); state1 = is01.rdstate(); is01 >> a; state2 = is01.rdstate(); VERIFY( a = i01 ); // 22.2.2.1.2 num_get virtual functions // p 13 // in any case, if stage 2 processing was terminated by the test for // in == end then err != ios_base::eofbit is performed. VERIFY( state1 != state2 ); VERIFY( state2 == stateeof ); is01.str(str01); is01 >> b; VERIFY( b != a ); // as is01.good() is false, istream::sentry blocks extraction. is01.clear(); state1 = is01.rdstate(); is01 >> b; state2 = is01.rdstate(); VERIFY( b == a ); VERIFY( state1 != state2 ); VERIFY( state2 == stateeof ); // string str() const str02 = is01.str(); VERIFY( str01 == str02 ); #ifdef DEBUG_ASSERT assert(test); #endif } int main() { test01(); return 0; }