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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/open/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 // 27.8.1.3 filebuf member functions
19 // @require@ %-*.tst %-*.txt
20 // @diff@ %-*.tst %-*.txt
22 // various tests for filebuf::open() and filebuf::close() including
23 // the non-portable functionality in the libstdc++-v3 IO library
25 // { dg-require-fileio "" }
31 #include <sys/types.h>
33 #include <ext/stdio_filebuf.h>
34 #include <testsuite_hooks.h>
36 const char name_01
[] = "filebuf_virtuals-1.txt"; // file with data in it
40 bool test
__attribute__((unused
)) = true;
41 int first_fd
= ::open(name_01
, O_RDONLY
);
42 VERIFY( first_fd
!= -1 );
43 FILE* first_file
= ::fdopen(first_fd
, "r");
44 VERIFY( first_file
!= NULL
);
45 __gnu_cxx::stdio_filebuf
<char> fb(first_file
, std::ios_base::in
);
47 int second_fd
= fb
.fd();
49 VERIFY( first_fd
== second_fd
);