eglib/test/timer.c

   1 #include <config.h>
   2 #include <glib.h>
   3 #include <string.h>
   4 #include <math.h>
   5 #ifdef HAVE_UNISTD_H
   6 #include <unistd.h>
   7 #endif
   8 #include <stdlib.h>
   9 #include <stdio.h>
  10
  11 #ifdef G_OS_WIN32
  12 #include <windows.h>
  13 #define sleep(t)                 Sleep((t) * 1000)
  14 #endif
  15
  16 #include "test.h"
  17
  18 RESULT
  19 test_timer ()
  20 {
  21         GTimer *timer;
  22         gdouble elapsed1, elapsed2;
  23         gulong usec = 0;
  24
  25         timer = g_timer_new ();
  26         sleep (1);
  27         elapsed1 = g_timer_elapsed (timer, NULL);
  28         if ((elapsed1 + 0.1) < 1.0)
  29                 return FAILED ("Elapsed time should be around 1s and was %f", elapsed1);
  30
  31         g_timer_stop (timer);
  32         elapsed1 = g_timer_elapsed (timer, NULL);
  33         elapsed2 = g_timer_elapsed (timer, &usec);
  34         if (fabs (elapsed1 - elapsed2) > 0.000001)
  35                 return FAILED ("The elapsed times are not equal %f - %f.", elapsed1, elapsed2);
  36
  37         elapsed2 *= 1000000;
  38         while (elapsed2 > 1000000)
  39                 elapsed2 -= 1000000;
  40
  41         if (fabs (usec - elapsed2) > 100.0)
  42                 return FAILED ("usecs are wrong.");
  43
  44         g_timer_destroy (timer);
  45         return OK;
  46 }
  47
  48 static Test timer_tests [] = {
  49         {"g_timer", test_timer},
  50         {NULL, NULL}
  51 };
  52
  53 DEFINE_TEST_GROUP_INIT(timer_tests_init, timer_tests)
  54
  55