// 2003-05-30 Paolo Carlini // Copyright (C) 2003 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. #include #include void test01() { bool test __attribute__((unused)) = true; using namespace std; typedef stringbuf::pos_type pos_type; typedef stringbuf::off_type off_type; stringbuf strb_01(ios_base::out); strb_01.sputn("broken peak", 11); pos_type pt_1 = strb_01.pubseekoff(0, ios_base::end, ios_base::out); // In general, according to 27.7.1.3,14, the below has undefined // behaviour since pt_1 + off_type(1) doesn't come from a // previous pubseekpos or pubseekoff. However, given v3 implementation, // this was useful to expose a bug in pubseekpos checks. pos_type pt_2 = strb_01.pubseekpos(pt_1 + off_type(1), ios_base::out); VERIFY( pt_2 == pos_type(off_type(-1)) ); } int main() { test01(); return 0; }