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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 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+''' Test case for QObject.receivers()'''
+
+import os
+import sys
+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 PySide6.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()