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# Test fairness of cancelling a task
# That tasks which keeps being cancelled by multiple other tasks gets a chance to run
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
async def task_a():
try:
while True:
print("sleep a")
await asyncio.sleep(0)
except asyncio.CancelledError:
print("cancelled a")
async def task_b(id, other):
while other.cancel():
print("sleep b", id)
await asyncio.sleep(0)
print("done b", id)
async def main():
t = asyncio.create_task(task_a())
for i in range(3):
asyncio.create_task(task_b(i, t))
await t
asyncio.run(main())
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