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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/2.cc
1 // Copyright (C) 2001, 2002, 2003, 2009 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 3, 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 COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-require-fileio "" }
20 // 27.8.1.3 filebuf member functions
21 // @require@ %-*.tst %-*.txt
22 // @diff@ %-*.tst %-*.txt
24 // various tests for filebuf::open() and filebuf::close() including
25 // the non-portable functionality in the libstdc++-v3 IO library
28 #include <ext/stdio_filebuf.h>
29 #include <testsuite_hooks.h>
31 // Verify that std::filebuf doesn't close files that it didn't open
32 // when using the following std::filebuf ctor:
34 // std::filebuf(__c_file_type* __f,
35 // ios_base::openmode __mode,
38 // Thanks to "George T. Talbot" <george@moberg.com> for uncovering
39 // this bug/situation.
41 const char name_01
[] = "filebuf_virtuals-1.txt"; // file with data in it
42 const char name_02
[] = "filebuf_virtuals-2.txt"; // empty file, need to create
46 bool test
__attribute__((unused
)) = true;
50 FILE* f2
= fopen(name_01
, "r");
54 __gnu_cxx::stdio_filebuf
<char> fb(f2
, std::ios_base::in
, 512);
55 close_num
= fclose(f2
);
57 VERIFY( close_num
== 0 );
60 FILE* f
= fopen(name_01
, "r");
64 std::ifstream
ifstream1(name_01
);
65 VERIFY( ifstream1
.is_open() );
66 std::ios_base::iostate st01
= ifstream1
.rdstate();
67 VERIFY( st01
== std::ios_base::goodbit
);
68 close_num
= fclose(f
);
70 VERIFY( close_num
== 0 );