Starting a timer
Case 1: Add to an empty timer list
Case 2: Add to the end of the timer list (big tick value)
Case 3: Add to the start of the timer list (small tick value)
Case 4: Add to the middle of the timer list (medium tick value)
Stopping a timer
No point to stop a non-existent timer
Case 1: Stop one at the head of the list (nothing waiting on it)
Case 2: Stop one at the end of the list (nothing waiting on it)
Case 3: Stop one in the middle of the list (nothing waiting on it)
Case 4: Stop the last in the list (nothing waiting on it)
Case 5: Stop a timer that had a fiber waiting on it
Timer Expiry
Case 1: Timer has expired
Case 2: Timer has not expired
Case 3: Wait for a timer to expire
Expired timers can use the nano_tick_get_32() and nano_tick_delta() routines
to check the results against the timer routines.
This test set does not yet test/verify nano_cycle_get_32()--that must still be
done.
APIs tested in this test set
============================
nano_timer_init (implicitly done--called as part of platform init)
nano_fiber_timer_start
nano_task_timer_start
nano_fiber_timer_stop
nano_task_timer_stop
nano_fiber_timer_test
nano_fiber_timer_wait
nano_task_timer_test
nano_task_timer_wait
--------------------------------
nanoTimeInit (implicitly done)
nano_tick_get_32
nano_tick_delta
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