tests/cases/test-mod-time.c

   1 #include <unistd.h>
   2 #include <sys/stat.h>
   3 #include <stdio.h>
   4 #include <err.h>
   5 #include <time.h>
   6 #include <sys/time.h>
   7 #include <stdlib.h>
   8 #include <stdbool.h>
   9 #include <sys/param.h>
  10 #include <sys/mman.h>
  11 #include <sys/types.h>
  12 #include <sys/fcntl.h>
  13 #include <sys/resource.h>
  14 #include <TargetConditionals.h>
  15
  16 #include "hfs-tests.h"
  17 #include "test-utils.h"
  18 #include "disk-image.h"
  19
  20 TEST(mod_time)
  21
  22 static disk_image_t *di;
  23
  24 static void run_test(void)
  25 {
  26         char *file;
  27         int fd;
  28
  29         asprintf(&file, "%s/tstfile", di->mount_point);
  30         assert((fd = open(file, O_CREAT | O_RDWR | O_TRUNC, 0666)) >= 0);
  31
  32         char data[] = "The quick brown fox jumps over the lazy dog\n";
  33
  34         check_io(write(fd, data, sizeof (data) - 1), sizeof(data) - 1);
  35
  36         struct timeval times[] = {
  37                 { time(NULL), 0 },
  38                 { 1234567890, 0 }
  39         };
  40
  41         assert_no_err(futimes(fd, times));
  42
  43         /* Have to open file again because whether it's writable comes from
  44            the file descriptor, *not* how we map. */
  45         int fd2;
  46
  47         assert_with_errno((fd2 = open(file, O_RDONLY)) >= 0);
  48         void *p;
  49
  50         assert((p = mmap(NULL, NBPG, PROT_READ, MAP_SHARED, fd2, 0)) != MAP_FAILED);
  51
  52         assert_no_err(msync(p, NBPG, MS_INVALIDATE));
  53
  54         struct stat sb;
  55         assert_no_err(fstat(fd, &sb));
  56
  57         assert (sb.st_mtimespec.tv_sec == times[1].tv_sec);
  58
  59         assert_no_err(close(fd));
  60         assert_no_err(close(fd2));
  61         assert_no_err(unlink(file));
  62 }
  63
  64 int run_mod_time(__unused test_ctx_t *ctx)
  65 {
  66         di = disk_image_get();
  67
  68         // We need to run the test twice because the sync runs every 30 secs or so
  69         run_test();
  70         run_test();
  71
  72         return 0;
  73 }