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41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
# Copyright © SixtyFPS GmbH <info@slint.dev>
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# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
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from slint import slint as native
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import weakref
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import gc
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def test_callback_gc():
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compiler = native.Compiler()
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compdef = compiler.build_from_source("""
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export component Test {
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out property <string> test-value: "Ok";
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callback test-callback(string) -> string;
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}
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""", "").component("Test")
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assert compdef != None
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instance = compdef.create()
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assert instance != None
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class Handler:
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def __init__(self, instance):
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self.instance = instance
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def python_callback(self, input):
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return input + instance.get_property("test-value")
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handler = Handler(instance)
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instance.set_callback(
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"test-callback", handler.python_callback)
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handler = None
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assert instance.invoke("test-callback", "World") == "WorldOk"
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wr = weakref.ref(instance)
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assert wr() is not None
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instance = None
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gc.collect()
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assert wr() is None
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