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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_ostream/] [seekp/] [char/] [2346-sstream.cc] - Rev 19
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// 2000-06-29 bkoz // Copyright (C) 2000, 2001, 2002, 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 27.6.2.4 basic_ostream seek members [lib.ostream.seeks] #include <ostream> #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) { bool test __attribute__((unused)) = true; for (int j = 0; j < times; j++) { std::streampos begin = stream.tellp(); for (int i = 0; i < times; ++i) stream << j << '-' << i << s << '\n'; stream.seekp(begin); } VERIFY( stream.good() ); } 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 // N.B. The original testcase was broken, using tellg/seekg in write_rewind. void test03() { std::stringstream sstrm; write_rewind(sstrm); check_contents(sstrm); } int main() { test03(); return 0; }