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42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
import hal
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import hal.simulation
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import typing
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def test_value_changed_callback():
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recv: typing.Optional[typing.Tuple[bool, str, int]] = None
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def created_cb(
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name: str, handle: int, direction: hal.SimValueDirection, value: hal.Value
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):
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nonlocal recv
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recv = (True, name, value.value)
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def cb(name: str, handle: int, direction: hal.SimValueDirection, value: hal.Value):
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nonlocal recv
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recv = (False, name, value.value)
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dev = hal.SimDevice("simd")
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# Must keep the returned value alive or the callback will be unregistered
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devunused = hal.simulation.registerSimValueCreatedCallback(dev, created_cb, True)
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assert recv is None
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val = dev.createInt("answer", hal.SimDevice.Direction.INPUT, 42)
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assert recv == (True, "answer", 42)
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recv = None
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# Must keep the returned value alive or the callback will be unregistered
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unused = hal.simulation.registerSimValueChangedCallback(val, cb, True)
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assert recv == (False, "answer", 42)
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recv = None
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val.set(84)
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assert recv == (False, "answer", 84)
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recv = None
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