Mercurial > hg > octave-lojdl > gnulib-hg
annotate tests/test-fdatasync.c @ 15688:0a93aea8485c
fdatasync tests: EBADF tests.
* tests/test-fdatasync.c (main): Add more tests for EBADF.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Tue, 20 Sep 2011 22:03:35 +0200 |
| parents | 76e03c88266c |
| children | 8250f2777afc |
| rev | line source |
|---|---|
| 15622 | 1 /* Test of fdatasync() function. |
| 2 Copyright (C) 2008-2011 Free Software Foundation, Inc. | |
| 3 | |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program 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 | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 #include <config.h> | |
| 18 | |
| 19 #include <unistd.h> | |
| 20 | |
| 21 #include "signature.h" | |
| 22 SIGNATURE_CHECK (fdatasync, int, (int)); | |
| 23 | |
| 24 #include <errno.h> | |
| 25 #include <fcntl.h> | |
| 26 | |
| 27 #include "macros.h" | |
| 28 | |
| 29 int | |
| 30 main (void) | |
| 31 { | |
| 32 int fd; | |
| 33 const char *file = "test-fdatasync.txt"; | |
| 34 | |
|
15688
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
35 /* Assuming stdin and stdout are ttys, fdatasync is allowed to fail, but |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
36 may succeed as an extension. */ |
|
15631
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
37 for (fd = 0; fd < 2; fd++) |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
38 if (fdatasync (fd) != 0) |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
39 { |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
40 ASSERT (errno == EINVAL /* POSIX */ |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
41 || errno == ENOTSUP /* seen on MacOS X 10.5 */ |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
42 || errno == EBADF /* seen on AIX 7.1 */ |
|
15688
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
43 || errno == EIO /* seen on mingw */ |
|
15631
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
44 ); |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
45 } |
|
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
46 |
|
15688
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
47 /* fdatasync must fail on invalid fd. */ |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
48 { |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
49 errno = 0; |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
50 ASSERT (fdatasync (-1) == -1); |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
51 ASSERT (errno == EBADF); |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
52 } |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
53 { |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
54 errno = 0; |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
55 ASSERT (fdatasync (99) == -1); |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
56 ASSERT (errno == EBADF); |
|
0a93aea8485c
fdatasync tests: EBADF tests.
Bruno Haible <bruno@clisp.org>
parents:
15631
diff
changeset
|
57 } |
|
15631
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
58 |
| 15622 | 59 fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644); |
| 60 ASSERT (0 <= fd); | |
| 61 ASSERT (write (fd, "hello", 5) == 5); | |
| 62 ASSERT (fdatasync (fd) == 0); | |
| 63 ASSERT (close (fd) == 0); | |
|
15631
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
64 |
| 15622 | 65 #if 0 |
| 66 /* POSIX is self-contradictory on whether fdatasync must fail on | |
| 67 read-only file descriptors. Glibc allows it, as does our | |
| 68 implementation if fsync allows it. */ | |
| 69 fd = open (file, O_RDONLY); | |
| 70 ASSERT (0 <= fd); | |
| 71 errno = 0; | |
| 72 ASSERT (fdatasync (fd) == -1); | |
| 73 ASSERT (errno == EBADF); | |
| 74 ASSERT (close (fd) == 0); | |
| 75 #endif | |
|
15631
76e03c88266c
Enhance fsync, fdatasync tests.
Bruno Haible <bruno@clisp.org>
parents:
15622
diff
changeset
|
76 |
| 15622 | 77 ASSERT (unlink (file) == 0); |
| 78 | |
| 79 return 0; | |
| 80 } |