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[official-gcc.git] / gomp-20050608-branch / libstdc++-v3 / testsuite / 27_io / basic_filebuf / open / char / 2.cc
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1 // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
2 //
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)
7 // any later version.
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,
17 // USA.
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
26 #include <fstream>
27 #include <unistd.h>
28 #include <signal.h>
29 #include <fcntl.h>
30 #include <sys/types.h>
31 #include <sys/stat.h>
32 #include <ext/stdio_filebuf.h>
33 #include <testsuite_hooks.h>
35 const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
37 void test_03()
39 bool test __attribute__((unused)) = true;
40 int first_fd = ::open(name_01, O_RDONLY);
41 VERIFY( first_fd != -1 );
42 FILE* first_file = ::fdopen(first_fd, "r");
43 VERIFY( first_file != NULL );
44 __gnu_cxx::stdio_filebuf<char> fb(first_file, std::ios_base::in);
46 int second_fd = fb.fd();
48 VERIFY( first_fd == second_fd );
51 int
52 main()
54 test_03();
55 return 0;