readdir/readdir21.c: add new error number testes
Add ENOENT and ENOTDIR error number testes for readdir(2)
Signed-off-by: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
diff --git a/testcases/kernel/syscalls/readdir/readdir21.c b/testcases/kernel/syscalls/readdir/readdir21.c
new file mode 100644
index 0000000..361ee3d
--- /dev/null
+++ b/testcases/kernel/syscalls/readdir/readdir21.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * Test Description:
+ * Verify that,
+ * 1. Creat a directory and open it, then delete the directory, ENOENT would
+ * return.
+ * 2. File descriptor does not refer to a directory, ENOTDIR would return.
+ *
+ * PS:
+ * This file is for readdir(2) and the other files(readdir01.c and
+ * readdir02.c) are for readdir(3).
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+#include "linux_syscall_numbers.h"
+#include "lapi/readdir.h"
+
+char *TCID = "readdir21";
+
+#define TEST_DIR "test_dir"
+#define TEST_FILE "test_file"
+#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
+ S_IXGRP|S_IROTH|S_IXOTH)
+
+static unsigned int del_dir_fd, file_fd;
+static struct old_linux_dirent dirp;
+static void setup(void);
+static void cleanup(void);
+
+static struct test_case_t {
+ unsigned int *fd;
+ struct old_linux_dirent *dirp;
+ unsigned int count;
+ int exp_errno;
+} test_cases[] = {
+ {&del_dir_fd, &dirp, sizeof(struct old_linux_dirent), ENOENT},
+ {&file_fd, &dirp, sizeof(struct old_linux_dirent), ENOTDIR},
+};
+
+int TST_TOTAL = ARRAY_SIZE(test_cases);
+static int exp_enos[] = { ENOENT, ENOTDIR, 0 };
+static void readdir_verify(const struct test_case_t *);
+
+int main(int argc, char **argv)
+{
+ int i, lc;
+ char *msg;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+ for (i = 0; i < TST_TOTAL; i++)
+ readdir_verify(&test_cases[i]);
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+ TEST_EXP_ENOS(exp_enos);
+
+ TEST_PAUSE;
+
+ tst_tmpdir();
+
+ SAFE_MKDIR(cleanup, TEST_DIR, DIR_MODE);
+ del_dir_fd = SAFE_OPEN(cleanup, TEST_DIR, O_RDONLY | O_DIRECTORY);
+ if (rmdir(TEST_DIR) == -1)
+ tst_brkm(TBROK | TERRNO, cleanup, "rmdir failed");
+
+ file_fd = SAFE_OPEN(cleanup, TEST_FILE, O_RDWR | O_CREAT, 0777);
+}
+
+static void readdir_verify(const struct test_case_t *test)
+{
+ TEST(ltp_syscall(__NR_readdir, *test->fd, test->dirp, test->count));
+
+ if (TEST_RETURN != -1) {
+ tst_resm(TFAIL, "readdir() succeeded unexpectedly");
+ return;
+ }
+
+ if (TEST_ERRNO == test->exp_errno) {
+ tst_resm(TPASS | TTERRNO, "readdir() failed as expected");
+ } else {
+ tst_resm(TFAIL | TTERRNO,
+ "readdir() failed unexpectedly; expected: %d - %s",
+ test->exp_errno, strerror(test->exp_errno));
+ }
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+
+ if (del_dir_fd > 0)
+ close(del_dir_fd);
+
+ if (file_fd > 0)
+ close(file_fd);
+
+ tst_rmdir();
+}