// 2001-05-21 Benjamin Kosnik // Copyright (C) 2001, 2002, 2003, 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 // . // 27.7.1.3 Overridden virtual functions // { dg-require-fileio "" } #include #include void test02(std::filebuf& in, bool pass) { bool test __attribute__((unused)) = true; using namespace std; typedef streambuf::pos_type pos_type; typedef streambuf::off_type off_type; pos_type bad = pos_type(off_type(-1)); pos_type p = 0; // seekoff p = in.pubseekoff(0, ios_base::beg, ios_base::in); VERIFY( pass == (p != bad) ); // See libstdc++/12232 p = in.pubseekoff(0, ios_base::beg, ios_base::out); VERIFY( pass == (p != bad) ); p = in.pubseekoff(0, ios_base::beg); VERIFY( pass == (p != bad) ); } const char name_01[] = "filebuf_virtuals-1.tst"; // file with data in it const char name_03[] = "filebuf_members-1.tst"; // empty file int main() { using namespace std; filebuf out1; out1.open(name_01, ios_base::out); filebuf out2; filebuf out3; out3.open(name_03, ios_base::out); test02(out1, true); test02(out2, false); test02(out3, true); return 0; }