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#!/usr/bin/env python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''The BlackBox class has cases of ownership transference between C++ and Python.'''
import gc
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from shiboken_paths import init_paths
init_paths()
from sample import *
class ReturnOfChildTest(unittest.TestCase):
'''The BlackBox class has cases of ownership transference between C++ and Python.'''
def testKillParentKeepingChild(self):
'''Ownership transference from Python to C++ and back again.'''
o1 = ObjectType.createWithChild()
child = o1.children()[0]
del o1
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertRaises(RuntimeError, child.objectName)
def testKillParentKeepingChild2(self):
'''Ownership transference from Python to C++ and back again.'''
o1 = ObjectType.createWithChild()
child = o1.findChild("child")
del o1
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertRaises(RuntimeError, child.objectName)
if __name__ == '__main__':
unittest.main()
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