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acl: Try unit tests on more file systems.
[gnulib.git]
/
tests
/
test-fwriting.c
diff --git
a/tests/test-fwriting.c
b/tests/test-fwriting.c
index
00b6870
..
aa45d55
100644
(file)
--- a/
tests/test-fwriting.c
+++ b/
tests/test-fwriting.c
@@
-1,10
+1,10
@@
/* Test of fwriting() function.
/* Test of fwriting() function.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007
-2011
Free Software Foundation, Inc.
- This program is free software
;
you can redistribute it and/or modify
+ This program is free software
:
you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version
2, or (at your option)
- any later version.
+ the Free Software Foundation; either version
3 of the License, or
+
(at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@
-12,18
+12,20
@@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
+/* None of the files accessed by this test are large, so disable the
+ fseek link warning if we are not using the gnulib fseek module. */
+#define _GL_NO_LARGE_FILES
#include "fwriting.h"
#include "fwriting.h"
-#include <std
lib
.h>
+#include <std
io
.h>
-#
define ASSERT(expr) if (!(expr)) abort ();
+#
include "macros.h"
#define TESTFILE "t-fwriting.tmp"
#define TESTFILE "t-fwriting.tmp"
@@
-73,6
+75,7
@@
main ()
fwriting is only deterministic after input or output, but this
test case should be portable even on open, after reposition, and
after fflush. */
fwriting is only deterministic after input or output, but this
test case should be portable even on open, after reposition, and
after fflush. */
+ /* First a scenario with only fgetc, fseek, fputc. */
fp = fopen (TESTFILE, "r+");
if (fp == NULL)
goto skip;
fp = fopen (TESTFILE, "r+");
if (fp == NULL)
goto skip;
@@
-91,12
+94,14
@@
main ()
if (fseek (fp, 0, SEEK_CUR) != 0)
goto skip;
ASSERT (!fwriting (fp));
if (fseek (fp, 0, SEEK_CUR) != 0)
goto skip;
ASSERT (!fwriting (fp));
- if (fputc ('
z', fp) != 'z
')
+ if (fputc ('
x', fp) != 'x
')
goto skip;
ASSERT (fwriting (fp));
if (fseek (fp, 0, SEEK_END))
goto skip;
goto skip;
ASSERT (fwriting (fp));
if (fseek (fp, 0, SEEK_END))
goto skip;
- /* fwriting (fp) is undefined here, but freading (fp) is false. */
+ /* freading (fp) is undefined here, because on some implementations (e.g.
+ glibc) fseek causes a buffer to be read.
+ fwriting (fp) is undefined as well. */
if (fclose (fp))
goto skip;
if (fclose (fp))
goto skip;
@@
-105,6
+110,7
@@
main ()
fwriting is only deterministic after input or output, but this
test case should be portable even on open, after reposition, and
after fflush. */
fwriting is only deterministic after input or output, but this
test case should be portable even on open, after reposition, and
after fflush. */
+ /* Here a scenario that includes fflush. */
fp = fopen (TESTFILE, "r+");
if (fp == NULL)
goto skip;
fp = fopen (TESTFILE, "r+");
if (fp == NULL)
goto skip;
@@
-120,7
+126,7
@@
main ()
ASSERT (!fwriting (fp));
fflush (fp);
ASSERT (!fwriting (fp));
ASSERT (!fwriting (fp));
fflush (fp);
ASSERT (!fwriting (fp));
- if (fgetc (fp) != '
a
')
+ if (fgetc (fp) != '
x
')
goto skip;
ASSERT (!fwriting (fp));
/* This fseek call is necessary when switching from reading to writing.
goto skip;
ASSERT (!fwriting (fp));
/* This fseek call is necessary when switching from reading to writing.
@@
-133,7
+139,9
@@
main ()
ASSERT (fwriting (fp));
if (fseek (fp, 0, SEEK_END))
goto skip;
ASSERT (fwriting (fp));
if (fseek (fp, 0, SEEK_END))
goto skip;
- /* fwriting (fp) is undefined here, but freading (fp) is false. */
+ /* freading (fp) is undefined here, because on some implementations (e.g.
+ glibc) fseek causes a buffer to be read.
+ fwriting (fp) is undefined as well. */
if (fclose (fp))
goto skip;
if (fclose (fp))
goto skip;