tests/cases/test-dir-link.c

   1 #include <TargetConditionals.h>
   2
   3 #if !TARGET_OS_IPHONE
   4
   5 #include <sys/stat.h>
   6 #include <pthread.h>
   7 #include <unistd.h>
   8 #include <stdio.h>
   9 #include <spawn.h>
  10 #include <sys/time.h>
  11
  12 #include "hfs-tests.h"
  13 #include "test-utils.h"
  14 #include "systemx.h"
  15 #include "disk-image.h"
  16
  17 TEST(dir_link)
  18
  19 static disk_image_t *di;
  20 static char *dir1, *dir2;
  21
  22 static volatile bool stop_thread;
  23
  24 void *thread(__unused void *arg)
  25 {
  26         char *path1, *path2;
  27         asprintf(&path1, "%s/dir1/..", dir1);
  28         asprintf(&path2, "%s/Dir1/..", dir1);
  29
  30         struct stat sb;
  31         while (!stop_thread) {
  32                 assert_no_err(stat(path1, &sb));
  33                 assert_no_err(stat(path2, &sb));
  34         }
  35
  36         free(path1);
  37         free(path2);
  38
  39         return NULL;
  40 }
  41
  42 int run_dir_link(__unused test_ctx_t *ctx)
  43 {
  44         di = disk_image_get();
  45
  46         char *tstdir;
  47         asprintf(&tstdir, "%s/tmp", di->mount_point);
  48
  49         assert(!mkdir(tstdir, 0777) || errno == EEXIST);
  50
  51         asprintf(&dir1, "%s/dir1", tstdir);
  52         asprintf(&dir2, "%s/dir2", tstdir);
  53
  54         systemx("/bin/rm", "-rf", dir1, NULL);
  55         systemx("/bin/rm", "-rf", dir2, NULL);
  56
  57         char *dir1dir1;
  58         asprintf(&dir1dir1, "%s/dir1", dir1);
  59
  60         assert_no_err(mkdir(dir1, 0777));
  61         assert_no_err(mkdir(dir1dir1, 0777));
  62
  63         pthread_t thread_id;
  64         pthread_create(&thread_id, NULL, thread, NULL);
  65
  66         struct stat sb;
  67         struct timeval start, now, elapsed;
  68
  69         gettimeofday(&start, NULL);
  70
  71         char *path1, *path2;
  72         asprintf(&path1, "%s/dir2/..", tstdir);
  73         asprintf(&path2, "%s/Dir2/..", tstdir);
  74
  75         do {
  76                 assert_no_err(link(dir1dir1, dir2));
  77                 assert_no_err(stat(path1, &sb));
  78                 assert_no_err(stat(path2, &sb));
  79                 assert_no_err(rmdir(dir2));
  80
  81                 gettimeofday(&now, NULL);
  82
  83                 timersub(&now, &start, &elapsed);
  84         } while (elapsed.tv_sec < 10);
  85
  86         stop_thread = true;
  87
  88         pthread_join(thread_id, NULL);
  89
  90         assert_no_err(rmdir(dir1dir1));
  91         assert_no_err(rmdir(dir1));
  92
  93         free(dir1);
  94         free(dir2);
  95         free(dir1dir1);
  96         free(path1);
  97         free(path2);
  98
  99         return 0;
 100 }
 101
 102 #endif // !TARGET_OS_IPHONE