// Copyright (C) 2001, 2002, 2003, 2009, 2010 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 // . // 27.8.1.3 filebuf member functions // @require@ %-*.tst %-*.txt // @diff@ %-*.tst %-*.txt // various tests for filebuf::open() and filebuf::close() including // the non-portable functionality in the libstdc++-v3 IO library // { dg-require-fileio "" } #include #include #include #include #include #include #include #include const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it void test_03() { bool test __attribute__((unused)) = true; int first_fd = ::open(name_01, O_RDONLY); VERIFY( first_fd != -1 ); FILE* first_file = ::fdopen(first_fd, "r"); VERIFY( first_file ); __gnu_cxx::stdio_filebuf fb(first_file, std::ios_base::in); int second_fd = fb.fd(); VERIFY( first_fd == second_fd ); } int main() { test_03(); return 0; }