tests/cases/test-external-jnl.c

   1 //
   2 //  external-jnl.c
   3 //  hfs
   4 //
   5 //  Created by Chris Suter on 8/11/15.
   6 //
   7 //
   8
   9 #include <TargetConditionals.h>
  10
  11 #if !TARGET_OS_IPHONE
  12
  13 #include <stdio.h>
  14 #include <sys/mount.h>
  15 #include <unistd.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include <fcntl.h>
  19
  20 #include "hfs-tests.h"
  21 #include "disk-image.h"
  22 #include "systemx.h"
  23 #include "../core/hfs_format.h"
  24 #include "test-utils.h"
  25
  26 #define HOST_IMAGE                      "/tmp/external-jnl1.sparseimage"
  27 #define EXTERNAL_IMAGE  "/tmp/external-jnl2.sparseimage"
  28
  29 TEST(external_jnl)
  30
  31 int run_external_jnl(__unused test_ctx_t *ctx)
  32 {
  33         unlink(HOST_IMAGE);
  34         unlink(EXTERNAL_IMAGE);
  35
  36         /* Since disk image cleanup occurs on a stack, create the external
  37          * journal partition first so that the cleanup of the host image
  38          * prevents a resource busy error during the journal partition ejection.
  39          */
  40         disk_image_t *di_ext = disk_image_create(EXTERNAL_IMAGE,
  41                                                         &(disk_image_opts_t){
  42                                                                 .partition_type = EXTJNL_CONTENT_TYPE_UUID,
  43                                                                 .size = 8 * 1024 * 1024
  44                                                         });
  45
  46         disk_image_t *di_host = disk_image_create(HOST_IMAGE,
  47                                                         &(disk_image_opts_t){
  48                                                                 .size = 64 * 1024 * 1024
  49                                                         });
  50
  51         unmount(di_host->mount_point, 0);
  52
  53         assert(!systemx("/sbin/newfs_hfs", SYSTEMX_QUIET, "-J", "-D", di_ext->disk, di_host->disk, NULL));
  54
  55         assert(!systemx("/usr/sbin/diskutil", SYSTEMX_QUIET, "mount", di_host->disk, NULL));
  56
  57         free((char *)di_host->mount_point);
  58         di_host->mount_point = NULL;
  59
  60         struct statfs *mntbuf;
  61         int i, n = getmntinfo(&mntbuf, 0);
  62         for (i = 0; i < n; ++i) {
  63                 if (!strcmp(mntbuf[i].f_mntfromname, di_host->disk)) {
  64                         di_host->mount_point = strdup(mntbuf[i].f_mntonname);
  65                         break;
  66                 }
  67         }
  68
  69         assert(i < n);
  70
  71         char *path;
  72         asprintf(&path, "%s/test", di_host->mount_point);
  73         int fd = open(path, O_RDWR | O_CREAT, 0666);
  74         assert_with_errno(fd >= 0);
  75         assert_no_err(close(fd));
  76         assert_no_err(unlink(path));
  77         free(path);
  78
  79         return 0;
  80 }
  81
  82 #endif // !TARGET_OS_IPHONE