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-rw-r--r--sources/pyside2/tests/signals/slot_reference_count_test.py81
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diff --git a/sources/pyside2/tests/signals/slot_reference_count_test.py b/sources/pyside2/tests/signals/slot_reference_count_test.py
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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 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+''' Forced disconnection: Delete one end of the signal connection'''
+
+import unittest
+from sys import getrefcount
+
+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()