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31 lines
597 B
31 lines
597 B
# Test fairness of scheduler
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try:
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import asyncio
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except ImportError:
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print("SKIP")
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raise SystemExit
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async def task(id, t):
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print("task start", id)
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while True:
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if t > 0:
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print("task work", id)
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await asyncio.sleep(t)
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async def main():
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t1 = asyncio.create_task(task(1, -0.01))
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t2 = asyncio.create_task(task(2, 0.1))
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t3 = asyncio.create_task(task(3, 0.18))
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t4 = asyncio.create_task(task(4, -100))
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await asyncio.sleep(0.5)
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t1.cancel()
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t2.cancel()
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t3.cancel()
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t4.cancel()
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print("finish")
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asyncio.run(main())
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