441     long elapsed;  in test_update()  local
466     elapsed = now() - start;  in test_update()
472     printf("timer expired after %ld us\n", elapsed);  in test_update()
473     if (elapsed < MS_TO_US(1))  in test_update()
474         errx(1, "early timer expiration: %ld us", elapsed);  in test_update()
475     if (elapsed > SEC_TO_US(1))  in test_update()
476         errx(1, "late timer expiration: %ld us", elapsed);  in test_update()
486     long elapsed;  in test_update_equal()  local
512     elapsed = now() - start;  in test_update_equal()
518     printf("timer expired after %ld us\n", elapsed);  in test_update_equal()
519     if (elapsed < MS_TO_US(1))  in test_update_equal()
520         errx(1, "early timer expiration: %ld us", elapsed);  in test_update_equal()
530     long elapsed;  in test_update_expired()  local
556     elapsed = now() - start;  in test_update_expired()
562     printf("timer expired after %ld us\n", elapsed);  in test_update_expired()
563     if (elapsed < MS_TO_US(1))  in test_update_expired()
564         errx(1, "early timer expiration: %ld us", elapsed);  in test_update_expired()
581     long elapsed;  in test_update_periodic()  local
613     elapsed = stop - start;  in test_update_periodic()
617     printf("timer expired after %ld us\n", elapsed);  in test_update_periodic()
618     if (elapsed < MS_TO_US(2))  in test_update_periodic()
619         errx(1, "early timer expiration: %ld us", elapsed);  in test_update_periodic()
638     long elapsed;  in test_update_timing()  local
676         elapsed = stop - start;  in test_update_timing()
682         if (elapsed < MS_TO_US(1))  in test_update_timing()
683             errx(1, "early timer expiration: %ld us", elapsed);  in test_update_timing()