tools/tests/darwintests/gettimeofday.c

   1 #include <unistd.h>
   2 #include <sys/time.h>
   3 #include <mach/mach_time.h>
   4
   5 #include <darwintest.h>
   6
   7 extern int __gettimeofday(struct timeval *, struct timezone *);
   8
   9 T_DECL(gettimeofday, "gettimeofday()",
  10            T_META_CHECK_LEAKS(false), T_META_ALL_VALID_ARCHS(true), T_META_LTEPHASE(LTE_POSTINIT))
  11 {
  12         struct timeval tv_a, tv_b, tv_c;
  13
  14         T_ASSERT_POSIX_ZERO(gettimeofday(&tv_a, NULL), NULL);
  15         T_ASSERT_GT(tv_a.tv_sec, 0L, NULL);
  16
  17         sleep(1);
  18
  19         T_ASSERT_POSIX_ZERO(__gettimeofday(&tv_b, NULL), NULL);
  20         T_ASSERT_GE(tv_b.tv_sec, tv_a.tv_sec, NULL);
  21
  22         sleep(1);
  23
  24         T_ASSERT_POSIX_ZERO(gettimeofday(&tv_c, NULL), NULL);
  25         T_ASSERT_GE(tv_c.tv_sec, tv_b.tv_sec, NULL);
  26 }
  27
  28 #if 0 // This symbol isn't exported so we can't test with stock libsyscall
  29 extern int __gettimeofday_with_mach(struct timeval *, struct timezone *, uint64_t *mach_time);
  30
  31 T_DECL(gettimeofday_with_mach, "gettimeofday_with_mach()",
  32            T_META_CHECK_LEAKS(false), T_META_ALL_VALID_ARCHS(true))
  33 {
  34         struct timeval gtod_ts;
  35
  36         uint64_t mach_time_before, mach_time, mach_time_after;
  37
  38         mach_time_before = mach_absolute_time();
  39
  40         T_ASSERT_POSIX_ZERO(__gettimeofday_with_mach(&gtod_ts, NULL, &mach_time), NULL);
  41         T_ASSERT_GT(gtod_ts.tv_sec, 0L, NULL);
  42
  43         mach_time_after = mach_absolute_time();
  44
  45         T_LOG("%llx > %llx > %llx", mach_time_before, mach_time, mach_time_after);
  46
  47         T_ASSERT_LT(mach_time_before, mach_time, NULL);
  48         T_ASSERT_GT(mach_time_after, mach_time, NULL);
  49 }
  50 #endif // 0