| // Copyright (C) 2001-2013 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 |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-require-fileio "" } |
| |
| // 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 |
| |
| #include <fstream> |
| #include <ext/stdio_filebuf.h> |
| #include <testsuite_hooks.h> |
| |
| // Verify that std::filebuf doesn't close files that it didn't open |
| // when using the following std::filebuf ctor: |
| // |
| // std::filebuf(__c_file_type* __f, |
| // ios_base::openmode __mode, |
| // int_type __s); |
| // |
| // Thanks to "George T. Talbot" <george@moberg.com> for uncovering |
| // this bug/situation. |
| |
| const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it |
| const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create |
| |
| void test_02() |
| { |
| bool test __attribute__((unused)) = true; |
| int close_num = 0; |
| |
| // read (ext) |
| FILE* f2 = fopen(name_01, "r"); |
| VERIFY( f2 ); |
| if (f2) |
| { |
| __gnu_cxx::stdio_filebuf<char> fb(f2, std::ios_base::in, 512); |
| close_num = fclose(f2); |
| } |
| VERIFY( close_num == 0 ); |
| |
| // read (standard) |
| FILE* f = fopen(name_01, "r"); |
| VERIFY( f ); |
| if (f) |
| { |
| std::ifstream ifstream1(name_01); |
| VERIFY( ifstream1.is_open() ); |
| std::ios_base::iostate st01 = ifstream1.rdstate(); |
| VERIFY( st01 == std::ios_base::goodbit ); |
| close_num = fclose(f); |
| } |
| VERIFY( close_num == 0 ); |
| } |
| |
| int |
| main() |
| { |
| test_02(); |
| return 0; |
| } |
| |
| |