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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from PySide6.QtCore import QTimer
from PySide6.QtWidgets import QSlider
from helper.usesqapplication import UsesQApplication
class TestBugPYSIDE189(UsesQApplication):
def testDisconnect(self):
# Disconnecting from a signal owned by a destroyed object
# should raise an exception, not segfault.
def onValueChanged(self, value):
pass
sld = QSlider()
sld.valueChanged.connect(onValueChanged)
sld.deleteLater()
QTimer.singleShot(0, self.app.quit)
self.app.exec()
self.assertRaises(RuntimeError, sld.valueChanged.disconnect, onValueChanged)
if __name__ == '__main__':
unittest.main()
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