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#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of the Qt for Python project.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################

import unittest
import sys
from PySide2.QtCore import QTimer
from PySide2.QtWidgets import QWidget, QApplication

class TestW1(QWidget):
    def __init__(self, parent = None):
        super(TestW1, self).__init__(parent)
        TestW2(parent, self)

class TestW2(QWidget):
    def __init__(self, ancestor, parent = None):
        super(TestW2, self).__init__(parent)
        self.ancestor_ref = ancestor

class Test(QWidget):
    def __init__(self):
        super(Test, self).__init__()
        TestW1(self)

class TestQApplicationDestrcutor(unittest.TestCase):
    def testDestructor(self):
        w = Test()
        w.show()
        QTimer.singleShot(0, w.close)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    unittest.main()
    sys.exit(app.exec_())