circuitpython/tests/extmod/uasyncio_cancel_self.py
Damien George c4935f3049 tests/extmod: Add uasyncio tests.
All .exp files are included because they require CPython 3.8 which may not
always be available.
2020-03-26 01:25:45 +11:00

32 lines
568 B
Python

# Test a task cancelling itself (currently unsupported)
try:
import uasyncio as asyncio
except ImportError:
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
async def task():
print("task start")
global_task.cancel()
async def main():
global global_task
global_task = asyncio.create_task(task())
try:
await global_task
except asyncio.CancelledError:
print("main cancel")
print("main done")
try:
asyncio.run(main())
except RuntimeError as er:
print(er)