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63 lines
1.2 KiB
63 lines
1.2 KiB
# Test the Task.done() method
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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(t, exc=None):
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print("task start")
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if t >= 0:
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await asyncio.sleep(t)
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if exc:
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raise exc
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print("task done")
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async def main():
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# Task that finishes immediately.
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print("=" * 10)
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t = asyncio.create_task(task(-1))
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print(t.done())
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await asyncio.sleep(0)
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print(t.done())
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await t
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print(t.done())
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# Task that starts, runs and finishes.
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print("=" * 10)
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t = asyncio.create_task(task(0.01))
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print(t.done())
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await asyncio.sleep(0)
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print(t.done())
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await t
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print(t.done())
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# Task that raises immediately.
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print("=" * 10)
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t = asyncio.create_task(task(-1, ValueError))
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print(t.done())
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await asyncio.sleep(0)
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print(t.done())
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try:
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await t
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except ValueError as er:
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print(repr(er))
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print(t.done())
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# Task that raises after a delay.
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print("=" * 10)
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t = asyncio.create_task(task(0.01, ValueError))
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print(t.done())
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await asyncio.sleep(0)
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print(t.done())
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try:
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await t
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except ValueError as er:
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print(repr(er))
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print(t.done())
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asyncio.run(main())
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