1 // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 2, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 // 27.8.1.3 filebuf member functions
20 // @require@ %-*.tst %-*.txt
21 // @diff@ %-*.tst %-*.txt
23 // various tests for filebuf::open() and filebuf::close() including
24 // the non-portable functionality in the libstdc++-v3 IO library
27 #include <ext/stdio_filebuf.h>
28 #include <testsuite_hooks.h>
30 // Verify that std::filebuf doesn't close files that it didn't open
31 // when using the following std::filebuf ctor:
33 // std::filebuf(__c_file_type* __f,
34 // ios_base::openmode __mode,
37 // Thanks to "George T. Talbot" <george@moberg.com> for uncovering
38 // this bug/situation.
40 const char name_01
[] = "filebuf_virtuals-1.txt"; // file with data in it
41 const char name_02
[] = "filebuf_virtuals-2.txt"; // empty file, need to create
45 bool test
__attribute__((unused
)) = true;
49 FILE* f2
= fopen(name_01
, "r");
53 __gnu_cxx::stdio_filebuf
<char> fb(f2
, std::ios_base::in
, 512);
54 close_num
= fclose(f2
);
56 VERIFY( close_num
== 0 );
59 FILE* f
= fopen(name_01
, "r");
63 std::ifstream
ifstream1(name_01
);
64 VERIFY( ifstream1
.is_open() );
65 std::ios_base::iostate st01
= ifstream1
.rdstate();
66 VERIFY( st01
== std::ios_base::goodbit
);
67 close_num
= fclose(f
);
69 VERIFY( close_num
== 0 );