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#!/usr/bin/python
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
from sys import getrefcount
import unittest
from PySide2.QtCore import QObject, SIGNAL
class SignalManagerRefCount(unittest.TestCase):
"""Simple test case to check if the signal_manager is erroneously incrementing the object refcounter"""
def testObjectRefcount(self):
"""Emission of QObject.destroyed() to a python slot"""
def callback():
pass
obj = QObject()
refcount = getrefcount(obj)
QObject.connect(obj, SIGNAL('destroyed()'), callback)
self.assertEqual(refcount, getrefcount(obj))
QObject.disconnect(obj, SIGNAL('destroyed()'), callback)
self.assertEqual(refcount, getrefcount(obj))
if __name__ == '__main__':
unittest.main()
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