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Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/chdir04.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/chdir04.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/chdir04.c b/winsup/testsuite/winsup.api/ltp/chdir04.c new file mode 100644 index 000000000..d220bb17f --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/chdir04.c @@ -0,0 +1,189 @@ +/* + * + * Copyright (c) International Business Machines Corp., 2001 + * + * 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 will 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * NAME + * chdir02.c + * + * DESCRIPTION + * Testcase to test whether chdir(2) sets errno correctly. + * + * ALGORITHM + * 1. Test for ENAMETOOLONG: + * Create a bad directory name with length more than + * + * VFS_MAXNAMELEN (Linux kernel variable), and attempt to + * chdir(2) to it. + * + * 2. Test for ENOENT: + * Attempt to chdir(2) on a non-existent directory + * + * 3. Test for EFAULT: + * Pass an address which lies outside the address space of the + * process, and expect an EFAULT. + * + * USAGE: <for command-line> + * chdir02 [-c n] [-e] [-i n] [-I x] [-P x] [-t] + * where, -c n : Run n copies concurrently. + * -e : Turn on errno logging. + * -i n : Execute test n times. + * -I x : Execute test for x seconds. + * -P x : Pause for x seconds between iterations. + * -t : Turn on syscall timing. + * + * HISTORY + * 07/2001 Ported by Wayne Boyer + * + * RESTRICTIONS + * NONE + */ + +#include <stdio.h> +#include <errno.h> +#include <sys/stat.h> +#include <test.h> +#include <usctest.h> + +char *TCID = "chdir02"; +int TST_TOTAL = 3; +extern int Tst_count; + +int exp_enos[] = {ENAMETOOLONG, ENOENT, EFAULT, 0}; + +char bad_dir[] = "abcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyz"; + +char noexist_dir[] = "/tmp/noexistdir"; + +struct test_case_t { + char *dname; + int error; +} TC[] = { + /* + * to test whether chdir() is setting ENAMETOOLONG if the + * directory is more than VFS_MAXNAMELEN + */ + {bad_dir, ENAMETOOLONG}, + + /* + * to test whether chdir() is setting ENOENT if the + * directory is not existing. + */ + {noexist_dir, ENOENT}, + + /* + * to test whether chdir() is setting EFAULT if the + * directory is an invalid address. + */ + {(void *)-1, EFAULT} +}; + +int flag; +#define FAILED 1 + +void setup(void); +void cleanup(void); + +main(int ac, char **av) +{ + int lc; /* loop counter */ + int i; + const char *msg; /* message returned from parse_opts */ + struct stat statbuf; + + /* parse standard options */ + if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); + } + + setup(); + + /* set up the expected errnos */ + TEST_EXP_ENOS(exp_enos); + + /* check looping state if -i option is given */ + for (lc = 0; TEST_LOOPING(lc); lc++) { + /* reset Tst_count in case we are looping */ + Tst_count = 0; + + /* loop through the test cases */ + for (i=0; i<TST_TOTAL; i++) { + + TEST(chdir(TC[i].dname)); + + if (TEST_RETURN != -1) { + tst_resm(TFAIL, "call succeeded unexpectedly"); + continue; + } + + TEST_ERROR_LOG(TEST_ERRNO); + + if (TEST_ERRNO == TC[i].error) { + tst_resm(TPASS, "expected failure - " + "errno = %d : %s", TEST_ERRNO, + strerror(TEST_ERRNO)); + } else { + tst_resm(TFAIL, "unexpected error - %d : %s - " + "expected %d", TEST_ERRNO, + strerror(TEST_ERRNO), TC[i].error); + } + } + } + cleanup(); + + /*NOTREACHED*/ +} + +/* + * setup() - performs all ONE TIME setup for this test. + */ +void +setup() +{ + /* capture signals */ + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + /* Pause if that option was specified */ + TEST_PAUSE; + + /* make a temporary directory and cd to it */ + tst_tmpdir(); +} + + +/* + * cleanup() - performs all ONE TIME cleanup for this test at + * completion or premature exit. + */ +void +cleanup() +{ + /* + * print timing stats if that option was specified. + * print errno log if that option was specified. + */ + TEST_CLEANUP; + + /* + * Delete the test directory created in setup(). + */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); +} |