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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
'''Test cases for virtual destructor.'''
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 VirtualDtor
class ExtendedVirtualDtor(VirtualDtor):
def __init__(self):
VirtualDtor.__init__(self)
class VirtualDtorTest(unittest.TestCase):
'''Test case for virtual destructor.'''
def setUp(self):
VirtualDtor.resetDtorCounter()
def testVirtualDtor(self):
'''Original virtual destructor is being called.'''
dtor_called = VirtualDtor.dtorCalled()
for i in range(1, 10):
vd = VirtualDtor()
del vd
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertEqual(VirtualDtor.dtorCalled(), dtor_called + i)
def testVirtualDtorOnCppCreatedObject(self):
'''Original virtual destructor is being called for a C++ created object.'''
dtor_called = VirtualDtor.dtorCalled()
for i in range(1, 10):
vd = VirtualDtor.create()
del vd
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertEqual(VirtualDtor.dtorCalled(), dtor_called + i)
def testDtorOnDerivedClass(self):
'''Original virtual destructor is being called for a derived class.'''
dtor_called = ExtendedVirtualDtor.dtorCalled()
for i in range(1, 10):
evd = ExtendedVirtualDtor()
del evd
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertEqual(ExtendedVirtualDtor.dtorCalled(), dtor_called + i)
if __name__ == '__main__':
unittest.main()
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