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# Test MicroPython extensions on CPython asyncio:

# - sleep_ms

# - wait_for_ms

try:

import utime, uasyncio

except ImportError:

print("SKIP")

raise SystemExit

async def task(id, t):

print("task start", id)

await uasyncio.sleep_ms(t)

print("task end", id)

return id * 2

async def main():

# Simple sleep_ms

t0 = utime.ticks_ms()

await uasyncio.sleep_ms(1)

print(utime.ticks_diff(utime.ticks_ms(), t0) < 100)

# When task finished before the timeout

print(await uasyncio.wait_for_ms(task(1, 5), 50))

# When timeout passes and task is cancelled

try:

print(await uasyncio.wait_for_ms(task(2, 50), 5))

except uasyncio.TimeoutError:

print("timeout")

print("finish")

uasyncio.run(main())