micropython/tests/net_hosted/asyncio_start_server.py.exp
Jim Mussared 977dc9a369 extmod/asyncio/stream.py: Fix cancellation handling of start_server.
The following code:

  server = await asyncio.start_server(...)
  async with server:
    ... code that raises ...

would lose the original exception because the server's task would not have
had a chance to be scheduled yet, and so awaiting the task in wait_closed
would raise the cancellation instead of the original exception.

Additionally, ensures that explicitly cancelling the parent task delivers
the cancellation correctly (previously was masked by the server loop), now
this only happens if the server was closed, not when the task was
cancelled.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-10-02 14:11:52 +11:00

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create server1
create server2
OSError
sleep
create server3
OSError
create server4
server4 closed
sleep 0
CancelledError
sleep 1
create task server 1
CancelledError
sleep 2
create task server 2
CancelledError
sleep 3
create task server 3
CancelledError
sleep 4
create task server 4
CancelledError
done