minix/test/common.c
2005-04-21 14:53:53 +00:00

103 lines
2.4 KiB
C

/* Utility routines for Minix tests.
* This is designed to be #includ'ed near the top of test programs. It is
* self-contained except for MAX_ERRORS.
*/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
int common_test_nr = -1, errct = 0, subtest;
_PROTOTYPE(void cleanup, (void));
_PROTOTYPE(void e, (int n));
_PROTOTYPE(void quit, (void));
_PROTOTYPE(void rm_rf_dir, (int test_nr));
_PROTOTYPE(void rm_rf_ppdir, (int test_nr));
_PROTOTYPE(void start, (int test_nr));
void start(test_nr)
int test_nr;
{
char buf[64];
common_test_nr = test_nr;
printf("Test %2d ", test_nr);
fflush(stdout); /* since stdout is probably line buffered */
sync();
rm_rf_dir(test_nr);
sprintf(buf, "mkdir DIR_%02d", test_nr);
if (system(buf) != 0) {
e(666);
quit();
}
sprintf(buf, "DIR_%02d", test_nr);
if (chdir(buf) != 0) {
e(6666);
quit();
}
}
void rm_rf_dir(test_nr)
int test_nr;
{
char buf[128];
/* "rm -rf dir" will not work unless all the subdirectories have suitable
* permissions. Minix chmod is not recursive so it is not easy to change
* all the permissions. I had to fix opendir() to stop the bash shell
* from hanging when it opendir()s fifos.
*/
sprintf(buf, "chmod 777 DIR_%02d DIR_%02d/* DIR_%02d/*/* >/dev/null 2>&1",
test_nr, test_nr, test_nr);
(void) system(buf); /* usually fails */
sprintf(buf, "rm -rf DIR_%02d >/dev/null 2>&1", test_nr);
if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
}
void rm_rf_ppdir(test_nr)
int test_nr;
{
/* Attempt to remove everything in the test directory (== the current dir). */
char buf[128];
sprintf(buf, "chmod 777 ../DIR_%02d/* ../DIR_%02d/*/* >/dev/null 2>&1",
test_nr, test_nr);
(void) system(buf);
sprintf(buf, "rm -rf ../DIR_%02d >/dev/null 2>&1", test_nr);
if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
}
void e(n)
int n;
{
if (errct == 0) printf("\n"); /* finish header */
printf("Subtest %d, error %d, errno %d: %s\n",
subtest, n, errno, strerror(errno));
if (errct++ > MAX_ERROR) {
printf("Too many errors; test aborted\n");
cleanup();
exit(1);
}
errno = 0; /* don't leave it around to confuse next e() */
}
void cleanup()
{
if (chdir("..") == 0 && common_test_nr != -1) rm_rf_dir(common_test_nr);
}
void quit()
{
cleanup();
if (errct == 0) {
printf("ok\n");
exit(0);
} else {
printf("%d errors\n", errct);
exit(1);
}
}