[LTP] [PATCH v2 5/6] kernel/syscalls: add new test with 'open() + O_TMPFILE'

[Cyril Hrubis]

Hi!
> +#define _GNU_SOURCE
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <errno.h>
> +
> +#include "test.h"
> +#include "safe_macros.h"
> +#include "lapi/fcntl.h"
> +
> +char *TCID = "open14";
> +int TST_TOTAL = 1;
> +static const char *test_dir = ".";
> +static const ssize_t size = 1024;
> +static char buf[1024];
> +static const ssize_t blocks_num = 4;
> +static struct stat st;
> +
> +static void cleanup(void)
> +{
> +	tst_rmdir();
> +}
> +
> +static void setup(void)
> +{
> +	tst_tmpdir();
> +
> +	memset(buf, 1, size);
                       ^
		       sizeof(buf)
> +}
> +
> +void test01(void)
> +{
> +	int fd, i;
> +
> +	char path[PATH_MAX], tmp[PATH_MAX];
> +
> +	tst_resm(TINFO, "creating a file with O_TMPFILE flag");
> +
> +	fd = open(test_dir, O_TMPFILE | O_WRONLY | O_SYNC);
> +	if (fd == -1) {
> +		if (errno == EISDIR) {
> +			tst_brkm(TCONF, cleanup,
> +				"O_TMPFILE not supported");
> +		}
> +		tst_resm(TFAIL | TERRNO, "open() failed");
> +		return;
> +	}
> +
> +	tst_resm(TINFO, "writing data to the file");
> +	for (i = 0; i < blocks_num; ++i)
> +		SAFE_WRITE(cleanup, 1, fd, buf, size);
> +
> +	SAFE_FSTAT(cleanup, fd, &st);
> +	tst_resm(TINFO, "file size is '%zu'", st.st_size);
> +
> +	if (st.st_size != blocks_num * size) {
> +		tst_resm(TFAIL, "not expected size: '%zu' != '%zu'",
> +			 st.st_size, blocks_num * size);
> +		SAFE_CLOSE(cleanup, fd);
> +		return;
> +	}
> +
> +	tst_resm(TINFO, "looking for the file in '%s'", test_dir);
> +	if (!tst_dir_is_empty(cleanup, test_dir, 1))
> +		tst_brkm(TBROK, cleanup, "found a file, this is not expected");
                          ^
                         Isn't this TFAIL rather than TBROK?

I see the difference as:

If some of the preparation steps has failed -> TBROK
If some test assertion fails -> TFAIL

> +	tst_resm(TINFO, "file not found, OK");
> +
> +	snprintf(path, PATH_MAX,  "/proc/self/fd/%d", fd);
> +	SAFE_READLINK(cleanup, path, tmp, PATH_MAX);
> +
> +	tst_resm(TINFO, "renaming '%s' -> '%s/tmpfile'",
> +		 tmp, test_dir);
> +	SAFE_LINKAT(cleanup, AT_FDCWD, path, AT_FDCWD, "tmpfile",
> +		    AT_SYMLINK_FOLLOW);
> +
> +	if (tst_dir_is_empty(cleanup, test_dir, 1))
> +		tst_brkm(TBROK, cleanup, "file not found");

Here as well.

> +	SAFE_UNLINK(cleanup, "tmpfile");
> +	SAFE_CLOSE(cleanup, fd);
> +
> +	tst_resm(TPASS, "test succeeded");
> +}
> +
> +int main(int ac, char *av[])
> +{
> +	int lc;
> +
> +	tst_parse_opts(ac, av, NULL, NULL);
> +
> +	setup();
> +
> +	for (lc = 0; TEST_LOOPING(lc); ++lc) {
> +		tst_count = 0;
> +		test01();
> +	}
> +
> +	cleanup();
> +	tst_exit();
> +}
> diff --git a/testcases/kernel/syscalls/openat/openat03.c b/testcases/kernel/syscalls/openat/openat03.c
> new file mode 100644
> index 0000000..3a0c2f1
> --- /dev/null
> +++ b/testcases/kernel/syscalls/openat/openat03.c
> @@ -0,0 +1,120 @@
> +/*
> + * Copyright (c) 2015-2016 Oracle and/or its affiliates. All Rights Reserved.
> + *
> + * 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 the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it would be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * 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, see <http://www.gnu.org/licenses/>.
> + *
> + * Author: Alexey Kodanev <alexey.kodanev@oracle.com>
> + *
> + */
> +
> +#define _GNU_SOURCE
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <errno.h>
> +
> +#include "test.h"
> +#include "safe_macros.h"
> +#include "lapi/fcntl.h"
> +
> +char *TCID = "openat03";
> +int TST_TOTAL = 1;
> +static const char *test_dir = ".";
> +static const ssize_t size = 1024;
> +static char buf[1024];
> +static const ssize_t blocks_num = 4;
> +static struct stat st;
> +
> +static void cleanup(void)
> +{
> +	tst_rmdir();
> +}
> +
> +static void setup(void)
> +{
> +	tst_tmpdir();
> +
> +	memset(buf, 1, size);

Here as well.

> +}
> +
> +void test01(void)
> +{
> +	int fd, i;
> +
> +	char path[PATH_MAX], tmp[PATH_MAX];
> +
> +	tst_resm(TINFO, "creating a file with O_TMPFILE flag");
> +
> +	fd = openat(AT_FDCWD, test_dir, O_TMPFILE | O_WRONLY | O_SYNC);
> +	if (fd == -1) {
> +		if (errno == EISDIR) {
> +			tst_brkm(TCONF, cleanup,
> +				"O_TMPFILE not supported");
> +		}
> +		tst_resm(TFAIL | TERRNO, "openat() failed");
> +		return;
> +	}
> +
> +	tst_resm(TINFO, "writing data to the file");
> +	for (i = 0; i < blocks_num; ++i)
> +		SAFE_WRITE(cleanup, 1, fd, buf, size);
> +
> +	SAFE_FSTAT(cleanup, fd, &st);
> +	tst_resm(TINFO, "file size is '%zu'", st.st_size);
> +
> +	if (st.st_size != blocks_num * size) {
> +		tst_resm(TFAIL, "not expected size: '%zu' != '%zu'",
> +			 st.st_size, blocks_num * size);
> +		SAFE_CLOSE(cleanup, fd);
> +		return;
> +	}
> +
> +	tst_resm(TINFO, "looking for the file in '%s'", test_dir);
> +	if (!tst_dir_is_empty(cleanup, test_dir, 1))
> +		tst_brkm(TBROK, cleanup, "found a file, this is not expected");

And here.

> +	tst_resm(TINFO, "file not found, OK");
> +
> +	snprintf(path, PATH_MAX,  "/proc/self/fd/%d", fd);
> +	SAFE_READLINK(cleanup, path, tmp, PATH_MAX);
> +
> +	tst_resm(TINFO, "renaming '%s' -> '%s/tmpfile'",
> +		 tmp, test_dir);
> +	SAFE_LINKAT(cleanup, AT_FDCWD, path, AT_FDCWD, "tmpfile",
> +		    AT_SYMLINK_FOLLOW);
> +
> +	if (tst_dir_is_empty(cleanup, test_dir, 1))
> +		tst_brkm(TBROK, cleanup, "file not found");

And here.

> +	SAFE_UNLINK(cleanup, "tmpfile");
> +	SAFE_CLOSE(cleanup, fd);
> +
> +	tst_resm(TPASS, "test succeeded");
> +}
> +
> +int main(int ac, char *av[])
> +{
> +	int lc;
> +
> +	tst_parse_opts(ac, av, NULL, NULL);
> +
> +	setup();
> +
> +	for (lc = 0; TEST_LOOPING(lc); ++lc) {
> +		tst_count = 0;
> +		test01();
> +	}
> +
> +	cleanup();
> +	tst_exit();
> +}
> -- 
> 1.7.1
> 
> 
> -- 
> Mailing list info: http://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz