/* hard links are also tested a bunch in test_rename */
void test_link(char *workdir) {
char file1[1024], file2[1024], file3[1024];
struct stat sb;
printf("Testing link\n");
sprintf(file1, "%s/original", workdir);
sprintf(file2, "%s/link", workdir);
my_create(file1);
my_stat(file1, &sb);
my_link(file1, file2);
verify_inum(file2, &sb);
my_unlink(file2);
verify_inum(file1, &sb);
/* Test deletion of the original file after a hard link has been
created */
my_link(file1, file2);
my_unlink(file1);
verify_inum(file2, &sb);
/* Make sure the original file really isn't accessible */
verify_no_exist(file1);
my_unlink(file2);
verify_no_exist(file2);
/* Try renaming a hard link */
my_create(file1);
my_stat(file1, &sb);
my_link(file1, file2);
sprintf(file3, "%s/file3", workdir);
my_rename(file2, file3);
verify_inum(file3, &sb);
verify_no_exist(file2);
my_unlink(file3);
verify_no_exist(file3);
my_unlink(file1);
}
//This tests the link function;
int linkTest()
{
MINODE *test_mip = running->cwd;
INODE *ip = NULL;
int ino = 0;
int actual = 0;
int expected1 = 0;
int expected2 = 22;
strcpy(pathname, "");
cd(pathname);
test_mip = running->cwd;
printf("\n\n-------- TESTING LINK FUNCTION --------\n\n");
printf("Testing >link tiny new\n");
strcpy(pathname, "tiny");
strcpy(third, "new");
my_link(pathname);
//strcpy(pathname, "tiny");
//ino = my_search(pathname);
printf("ino of tiny is: %d\n", 24);
strcpy(pathname, "new");
actual = my_search(pathname);
printf("ino of new is: %d\n", actual);
if (24 != actual)
{
printf("TEST FAILED!\n\n");
return 0;
}
printf("TEST PASSED!\n\n");
printf("ALL LINK TESTS PASSED!\n\n\n");
return 1;
}
void test_rename(char *workdir) {
char file1[1024], file2[1024], link[1024],
subdir[1024], newdir[1024];
struct stat sb1, sb2;
int fd;
printf("testing rename\n");
sprintf(file1, "%s/file1", workdir);
sprintf(file2, "%s/file2", workdir);
/* test stat first.. since we need it to test rename */
my_stat(file1, &sb1);
/* Not much to look at, really.. how about making sure that
the modification time of the file is not in the future.
allow ten seconds of slack */
if (sb1.st_mtime > time(NULL) + 10) {
printf("Modification time of %s is in the future!\n",
file1);
exit(1);
}
my_rename(file1, file2);
/* try repeat */
if (!rename(file1, file2)) {
printf("repeat rename(%s,%s) worked.. but it shouldn't have\n",
file1, file2);
exit(1);
}
/* inode number of file2 should be the same as it was for file1 */
verify_inum(file2, &sb1);
/* rename back */
my_rename(file2, file1);
verify_inum(file1, &sb1);
/* Make a subdir, which will be renamed */
sprintf(subdir, "%s/rename_this_dir", workdir);
my_mkdir(subdir);
my_stat(subdir, &sb2);
/* Test moving a file into a subdir */
sprintf(file2, "%s/file1", subdir);
my_rename(file1, file2);
verify_inum(file2, &sb1);
/* Add in a hard link to spice things up */
sprintf(link, "%s/link", subdir);
my_link(file2, link);
sprintf(newdir, "%s/newdirname", workdir);
my_rename(subdir, newdir);
verify_inum(newdir, &sb2);
sprintf(file2, "%s/file1", newdir);
verify_inum(file2, &sb1);
sprintf(link, "%s/newdirname/link", workdir);
verify_inum(link, &sb1);
/* Test moving up in the tree */
my_rename(file2,file1);
verify_inum(file1, &sb1);
my_unlink(link);
my_rmdir(newdir);
}