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# test utime.time_ns()
try:
import utime
utime.sleep_us
utime.time_ns
except (ImportError, AttributeError):
print("SKIP")
raise SystemExit
t0 = utime.time_ns()
utime.sleep_us(5000)
t1 = utime.time_ns()
# Check that time_ns increases.
print(t0 < t1)
# Check that time_ns counts correctly, but be very lenient with the bounds (2ms to 50ms).
if 2000000 < t1 - t0 < 50000000:
print(True)
else:
print(t0, t1, t1 - t0)
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