// 2000-06-29 bkoz // Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation // // 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. // 27.6.1.3 unformatted input functions // NB: ostream has a particular "seeks" category. Adopt this for istreams too. #include <istream> #include <sstream> #include <testsuite_hooks.h> const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto"; const int times = 10; void write_rewind(std::iostream& stream) { for (int j = 0; j < times; j++) { bool test __attribute__((unused)) = true; std::streampos begin = stream.tellg(); for (int i = 0; i < times; ++i) stream << j << '-' << i << s << '\n'; stream.seekg(begin); std::streampos end = stream.tellg(); std::streampos badpos = std::streampos(std::streambuf::off_type(-1)); } } void check_contents(std::iostream& stream) { bool test __attribute__((unused)) = true; stream.clear(); stream.seekg(0, std::ios::beg); int i = 0; int loop = times * times + 2; while (i < loop) { stream.ignore(80, '\n'); if (stream.good()) ++i; else break; } VERIFY( i == times ); } // stringstream // libstdc++/2346 void test03() { std::stringstream sstrm; write_rewind(sstrm); check_contents(sstrm); } int main() { test03(); return 0; }