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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 Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
''' Forced disconnection: Delete one end of the signal connection'''
import os
import sys
from sys import getrefcount
import unittest
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from init_paths import init_test_paths
init_test_paths(False)
from PySide2.QtCore import QObject, SIGNAL, SLOT
class Dummy(QObject):
def dispatch(self):
self.emit(SIGNAL('foo()'))
class PythonSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = Dummy()
def tearDown(self):
self.emitter
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(getrefcount(cb), 2)
QObject.connect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(getrefcount(cb), 2)
class CppSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = QObject()
def tearDown(self):
self.emitter
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(getrefcount(cb), 2)
QObject.connect(self.emitter, SIGNAL('destroyed()'), cb)
self.assertEqual(getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('destroyed()'), cb)
self.assertEqual(getrefcount(cb), 2)
if __name__ == '__main__':
unittest.main()
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