diff options
Diffstat (limited to 'sources/pyside6/tests/QtCore/destroysignal_test.py')
| -rw-r--r-- | sources/pyside6/tests/QtCore/destroysignal_test.py | 70 |
1 files changed, 42 insertions, 28 deletions
diff --git a/sources/pyside6/tests/QtCore/destroysignal_test.py b/sources/pyside6/tests/QtCore/destroysignal_test.py index ff657a800..ad087b489 100644 --- a/sources/pyside6/tests/QtCore/destroysignal_test.py +++ b/sources/pyside6/tests/QtCore/destroysignal_test.py @@ -1,31 +1,7 @@ -############################################################################# -## -## 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. -## -## $QT_END_LICENSE$ -## -############################################################################# +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 +import gc import os import sys import unittest @@ -35,7 +11,7 @@ sys.path.append(os.fspath(Path(__file__).resolve().parents[1])) from init_paths import init_test_paths init_test_paths(False) -from PySide6.QtCore import QTimer, QObject +from PySide6.QtCore import QTimer, QObject, Signal class TestDestroySignal(unittest.TestCase): @@ -48,6 +24,10 @@ class TestDestroySignal(unittest.TestCase): t = QTimer() t.destroyed[QObject].connect(self.onObjectDestroyed) del t + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + # PYSIDE-535: Why do I need to do it twice, here? + gc.collect() self.assertTrue(self._destroyed) def testWithParent(self): @@ -56,9 +36,43 @@ class TestDestroySignal(unittest.TestCase): t = QTimer(p) t.destroyed[QObject].connect(self.onObjectDestroyed) del p + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + # PYSIDE-535: Why do I need to do it twice, here? + gc.collect() self.assertTrue(self._destroyed) +class Foo(QObject): + s = Signal(int) + + def __init__(self): + QObject.__init__(self) + sys.stderr.write(f"__init__ {id(self):x}\n") + + def __del__(self): + sys.stderr.write(f"__del__ {id(self):x}\n") + + def send(self, i): + self.s.emit(i) + + +# PYSIDE-2201/2328: This crashed until we introduced a weak reference. +class TestDestroyNoConnect(unittest.TestCase): + + def testSignalDestroyedMissingReference(self): + # This works since it has one reference more to Foo + Foo().send(43) + # This crashed because we have no reference in the signal. + with self.assertRaises(RuntimeError): + Foo().s.emit(44) + + def testSignalDestroyedinConnect(self): + # PYSIDE-2328: Connect to signal of temporary + with self.assertRaises(RuntimeError): + Foo().s.connect(None) + + if __name__ == '__main__': unittest.main() |