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f1717362 | 1 | // Copyright (C) 2001-2016 Free Software Foundation, Inc. |
b9e8095b | 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 | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
b9e8095b | 7 | // any later version. |
8 | ||
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. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
b9e8095b | 17 | |
a2febbfb | 18 | // 27.8.1.3 filebuf member functions |
19 | // @require@ %-*.tst %-*.txt | |
20 | // @diff@ %-*.tst %-*.txt | |
b9e8095b | 21 | |
a2febbfb | 22 | // various tests for filebuf::open() and filebuf::close() including |
23 | // the non-portable functionality in the libstdc++-v3 IO library | |
b9e8095b | 24 | |
b14642ed | 25 | // { dg-require-fileio "" } |
26 | ||
a2febbfb | 27 | #include <fstream> |
28 | #include <unistd.h> | |
29 | #include <signal.h> | |
30 | #include <fcntl.h> | |
31 | #include <sys/types.h> | |
32 | #include <sys/stat.h> | |
33 | #include <ext/stdio_filebuf.h> | |
34 | #include <testsuite_hooks.h> | |
b9e8095b | 35 | |
a2febbfb | 36 | const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it |
b9e8095b | 37 | |
a2febbfb | 38 | void test_03() |
b9e8095b | 39 | { |
f8ef786c | 40 | bool test __attribute__((unused)) = true; |
a2febbfb | 41 | int first_fd = ::open(name_01, O_RDONLY); |
42 | VERIFY( first_fd != -1 ); | |
43 | FILE* first_file = ::fdopen(first_fd, "r"); | |
e4bb1925 | 44 | VERIFY( first_file ); |
a2febbfb | 45 | __gnu_cxx::stdio_filebuf<char> fb(first_file, std::ios_base::in); |
b9e8095b | 46 | |
a2febbfb | 47 | int second_fd = fb.fd(); |
b9e8095b | 48 | |
a2febbfb | 49 | VERIFY( first_fd == second_fd ); |
b9e8095b | 50 | } |
51 | ||
a2febbfb | 52 | int |
53 | main() | |
b9e8095b | 54 | { |
a2febbfb | 55 | test_03(); |
b9e8095b | 56 | return 0; |
57 | } | |
c9cb0c6c | 58 | |
a2febbfb | 59 |