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Diffstat (limited to 'sources/pyside6/tests/signals/disconnect_test.py')
-rw-r--r-- | sources/pyside6/tests/signals/disconnect_test.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/disconnect_test.py b/sources/pyside6/tests/signals/disconnect_test.py new file mode 100644 index 000000000..9aa5bdba1 --- /dev/null +++ b/sources/pyside6/tests/signals/disconnect_test.py @@ -0,0 +1,92 @@ +############################################################################# +## +## 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. +## +## $QT_END_LICENSE$ +## +############################################################################# + +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(True) + +from PySide6.QtCore import * +from testbinding import TestObject + + +class Foo(QObject): + bar = Signal() + +class TestDisconnect(unittest.TestCase): + def theSlot1(self): + self.called1 = True + + def theSlot2(self): + self.called2 = True + + def testIt(self): + self.called1 = False + self.called2 = False + f = Foo() + f.bar.connect(self.theSlot1) + f.bar.connect(self.theSlot2) + f.bar.emit() + self.assertTrue(self.called1) + self.assertTrue(self.called2) + + self.called1 = False + self.called2 = False + f.bar.disconnect() + f.bar.emit() + self.assertFalse(self.called1) + self.assertFalse(self.called2) + + def testDuringCallback(self): + """ Test to see if the C++ object for a connection is accessed after the + method returns. This causes a segfault if the memory that was used by the + C++ object has been reused. """ + + self.called = False + obj = TestObject(0) + def callback(): + obj.signalWithDefaultValue.disconnect(callback) + + # Connect more callbacks to try to overwrite memory + for i in range(1000): + obj.signalWithDefaultValue.connect(lambda: None) + + self.called = True + + # A non-None return value is needed + return True + obj.signalWithDefaultValue.connect(callback) + obj.signalWithDefaultValue.emit() + self.assertTrue(self.called) + + +if __name__ == '__main__': + unittest.main() |