circuitpython/tests/misc/cexample_class.py
Laurens Valk 3c1a2a942a tests/misc/cexample_class: Fix timing sensitivity.
This test could occasionally fail because some operations take longer
than expected. This relaxes the timing constraints and defers printing
until the very end.

Signed-off-by: Laurens Valk <laurens@pybricks.com>
2022-11-25 08:14:54 +01:00

25 lines
372 B
Python

# test custom native class
try:
import cexample
import time
except ImportError:
print("SKIP")
raise SystemExit
SLEEP_MS = 100
TOLERANCE_MS = 20
timer = cexample.Timer()
t_start = timer.time()
time.sleep_ms(100)
t_end = timer.time()
print(timer)
print(0 <= t_start <= TOLERANCE_MS)
print(SLEEP_MS - TOLERANCE_MS <= t_end <= SLEEP_MS + TOLERANCE_MS)