micropython/tests/extmod/uasyncio_new_event_loop.py

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# Test Loop.new_event_loop()
try:
import uasyncio as asyncio
except ImportError:
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
async def task():
for i in range(4):
print("task", i)
await asyncio.sleep(0)
await asyncio.sleep(0)
async def main():
print("start")
loop.create_task(task())
await asyncio.sleep(0)
print("stop")
loop.stop()
# Use default event loop to run some tasks
loop = asyncio.get_event_loop()
loop.create_task(main())
loop.run_forever()
# Create new event loop, old one should not keep running
loop = asyncio.new_event_loop()
loop.create_task(main())
loop.run_forever()