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Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/ftruncate03.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/ftruncate03.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/ftruncate03.c b/winsup/testsuite/winsup.api/ltp/ftruncate03.c new file mode 100644 index 000000000..2e80558e7 --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/ftruncate03.c @@ -0,0 +1,325 @@ +/* + * + * 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 + */ + +/* + * Test Name: ftruncate03 + * + * Test Description: + * Verify that, + * 1) ftruncate(2) returns -1 and sets errno to EINVAL if the specified + * truncate length is less than 0. + * 2) ftruncate(2) returns -1 and sets errno to EBADF if the file descriptor + * of the specified file is not valid. + * + * Expected Result: + * ftruncate() should fail with return value -1 and set expected errno. + * + * Algorithm: + * Setup: + * Setup signal handling. + * Create temporary directory. + * Pause for SIGUSR1 if option specified. + * + * Test: + * Loop if the proper options are given. + * Execute system call + * Check return code, if system call failed (return=-1) + * if errno set == expected errno + * Issue sys call fails with expected return value and errno. + * Otherwise, + * Issue sys call fails with unexpected errno. + * Otherwise, + * Issue sys call returns unexpected value. + * + * Cleanup: + * Print errno log and/or timing stats if options given + * Delete the temporary directory(s)/file(s) created. + * + * Usage: <for command-line> + * ftruncate03 [-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: + * This test should be executed by 'non-super-user' only. + */ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/fcntl.h> +#include <errno.h> +#include <string.h> +#include <signal.h> + +#include "test.h" +#include "usctest.h" + +#define TEST_FILE1 "test_file1" /* file under test */ +#define TEST_FILE2 "test_file2" /* file under test */ +#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH +#define BUF_SIZE 256 /* buffer size */ +#define FILE_SIZE 1024 /* test file size */ + +int no_setup(); +int setup1(); /* setup function to test chmod for EBADF */ +int setup2(); /* setup function to test chmod for EINVAL */ + +int fd1; /* File descriptor for testfile1 */ +int fd2; /* File descriptor for testfile2 */ + +struct test_case_t { /* test case struct. to hold ref. test cond's*/ + int fd; + char *desc; + int exp_errno; + int len; + int (*setupfunc)(); +} Test_cases[] = { + { 1, "Length argument is -ve", EINVAL, -1, setup1 }, + { 2, "File descriptor is not valid", EBADF, 256, setup2 }, + { 0, NULL, 0, 0, no_setup } +}; + +char *TCID="ftruncate03"; /* Test program identifier. */ +int TST_TOTAL=2; /* Total number of test conditions */ +extern int Tst_count; /* Test Case counter for tst_* routines */ +int exp_enos[]={EINVAL, EBADF, 0}; + +void setup(); /* Main setup function for the test */ +void cleanup(); /* Main cleanup function for the test */ + +int +main(int ac, char **av) +{ + int lc; /* loop counter */ + const char *msg; /* message returned from parse_opts */ + char *test_desc; /* test specific error message */ + int fildes; /* File descriptor of testfile */ + off_t trunc_len; /* truncate length */ + int ind; + + /* Parse standard options given to run the test. */ + msg = parse_opts(ac, av, (option_t *) NULL, NULL); + if (msg != (char *) NULL) { + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); + tst_exit(); + } + + /* + * Perform global setup for test to call individual test specific + * setup functions. + */ + setup(); + + /* set the expected errnos... */ + TEST_EXP_ENOS(exp_enos); + + /* Check looping state if -i option given */ + for (lc = 0; TEST_LOOPING(lc); lc++) { + /* Reset Tst_count in case we are looping. */ + Tst_count = 0; + + for (ind = 0; Test_cases[ind].desc != NULL; ind++) { + fildes = Test_cases[ind].fd; + test_desc = Test_cases[ind].desc; + trunc_len = Test_cases[ind].len; + + if (fildes == 1) { + fildes = fd1; + } else { + fildes = fd2; + } + + /* + * Call ftruncate(2) to test different test conditions. + * verify that it fails with return code -1 and sets + * appropriate errno. + */ + TEST(ftruncate(fildes, trunc_len)); + + /* check return code of ftruncate(2) */ + if (TEST_RETURN == -1) { + TEST_ERROR_LOG(TEST_ERRNO); + if (TEST_ERRNO == Test_cases[ind].exp_errno) { + tst_resm(TPASS, "ftruncate() fails, %s," + " errno=%d", test_desc, + TEST_ERRNO); + } else { + tst_resm(TFAIL, "ftruncate() fails, %s," + " errno=%d, expected errno:%d", + test_desc, TEST_ERRNO, + Test_cases[ind].exp_errno); + } + } else { + tst_resm(TFAIL, "ftruncate() returned %d, " + "expected -1, errno:%d", TEST_RETURN, + Test_cases[ind].exp_errno); + } + } /* End of TEST CASE LOOPING. */ + } /* End for TEST_LOOPING */ + + /* Call cleanup() to undo setup done for the test. */ + cleanup(); + + /*NOTREACHED*/ +} /* End main */ + +/* + * void + * setup() - performs all ONE TIME setup for this test. + * Create a temporary directory and change directory to it. + * Fill the test buffer with some date used to fill test file(s). + * Call individual test specific setup functions. + */ +void +setup() +{ + int ind; + + /* capture signals */ + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + /* Check that the test process id is not root/super-user */ + if (geteuid() == 0) { + tst_brkm(TBROK, NULL, "Must be non-root/super for this test!"); + tst_exit(); + } + + /* Pause if that option was specified */ + TEST_PAUSE; + + /* make a temp directory and cd to it */ + tst_tmpdir(); + + /* call individual setup functions */ + for (ind = 0; Test_cases[ind].desc != NULL; ind++) { + Test_cases[ind].setupfunc(); + } +} /* End of setup */ + +/* + * int + * setup1() - setup function for a test condition for which ftruncate(2) + * returns -1 and sets errno to EINVAL. + * Create a test file and open it for writing only. + */ +int +setup1() +{ + /* Open the testfile in write-only mode */ + if ((fd1 = open(TEST_FILE1, O_WRONLY|O_CREAT, 0644)) == -1) { + tst_brkm(TBROK, cleanup, + "open(%s, O_WRONLY) Failed, errno=%d : %s", + TEST_FILE1, errno, strerror(errno)); + } + return 0; +} /* End setup1() */ + +/* + * int + * setup2() - setup function for a test condition for which ftruncate(2) + * returns -1 and sets errno to EBADF. + * Create a test file and open it for reading/writing, and fill the + * testfile with the contents of test buffer. + * Close the test file. + * + */ +int +setup2() +{ + int c, i, c_total = 0; + char tst_buff[BUF_SIZE]; /* buffer to hold testfile contents */ + + /* Fill the test buffer with the known data */ + for (i = 0; i < BUF_SIZE; i++) { + tst_buff[i] = 'a'; + } + + /* open a testfile for reading/writing */ + if ((fd2 = open(TEST_FILE2, O_RDWR|O_CREAT, FILE_MODE)) == -1) { + tst_brkm(TBROK, cleanup, + "open(%s, O_RDWR|O_CREAT, %o) Failed, errno=%d : %s", + TEST_FILE2, FILE_MODE, errno, strerror(errno)); + } + + /* Write to the file 1k data from the buffer */ + while (c_total < FILE_SIZE) { + if ((c = write(fd2, tst_buff, sizeof(tst_buff))) <= 0) { + tst_brkm(TBROK, cleanup, + "write(2) on %s Failed, errno=%d : %s", + TEST_FILE2, errno, strerror(errno)); + } else { + c_total += c; + } + } + + /* Close the testfile after writing data into it */ + if (close(fd2) == -1) { + tst_brkm(TBROK, cleanup, + "close(%s) Failed, errno=%d : %s", + TEST_FILE2, errno, strerror(errno)); + } + return 0; +} /* End of setup2 */ + +/* + * int + * no_setup() - This function just returns 0. + */ +int +no_setup() +{ + return 0; +} + +/* + * void + * cleanup() - performs all ONE TIME cleanup for this test at + * completion or premature exit. + * Close the temporary file. + * Remove the test directory and testfile created in the setup. + */ +void +cleanup() +{ + /* + * print timing stats if that option was specified. + */ + TEST_CLEANUP; + + /* Close the testfile after opening it read-only in setup1 */ + if (close(fd1) == -1) { + tst_brkm(TFAIL, NULL, + "close(%s) Failed, errno=%d : %s", + TEST_FILE1, errno, strerror(errno)); + } + + /* Remove tmp dir and all files in it */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); +} /* End cleanup() */ |