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# -*- coding: utf-8 -*-
#############################################################################
##
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
''' Test case for QObject.receivers()'''
import unittest
from PySide2.QtCore import *
def cute_slot():
pass
class TestQObjectReceivers(unittest.TestCase):
'''Test case for QObject::receivers'''
def testBasic(self):
sender = QObject()
receiver1 = QObject()
receiver2 = QObject()
self.assertEqual(sender.receivers(SIGNAL("")), 0)
sender.connect(sender, SIGNAL("destroyed()"), receiver1, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 1)
sender.connect(sender, SIGNAL("destroyed()"), receiver2, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 2)
sender.disconnect(sender, SIGNAL("destroyed()"), receiver2, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 1)
del receiver2
del receiver1
del sender
def testPySlots(self):
sender = QObject()
receiver = QObject()
sender.connect(sender, SIGNAL("destroyed()"), cute_slot)
self.assertEqual(sender.receivers(SIGNAL("destroyed( )")), 1)
sender.connect(sender, SIGNAL("destroyed()"), receiver, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 2)
del sender
del receiver
def testPySignals(self):
sender = QObject()
receiver = QObject()
sender.connect(sender, SIGNAL("some_dynamic_signal()"), cute_slot)
self.assertEqual(sender.receivers(SIGNAL("some_dynamic_signal( )")), 1)
sender.connect(sender, SIGNAL("some_dynamic_signal()"), receiver, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("some_dynamic_signal( )")), 2)
if __name__ == '__main__':
unittest.main()
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