diff options
Diffstat (limited to 'sources/pyside6/tests/signals/segfault_proxyparent_test.py')
-rw-r--r-- | sources/pyside6/tests/signals/segfault_proxyparent_test.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/segfault_proxyparent_test.py b/sources/pyside6/tests/signals/segfault_proxyparent_test.py new file mode 100644 index 000000000..cb0df0978 --- /dev/null +++ b/sources/pyside6/tests/signals/segfault_proxyparent_test.py @@ -0,0 +1,78 @@ +# 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 + +from pathlib import Path +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 QObject, Signal + +# Description of the problem +# After creating an PyObject that inherits from QObject, connecting it, +# deleting it and later creating another Python QObject-based object, this +# new object will point to the same memory position as the first one. + +# Somehow the underlying QObject also points to the same position. + + +class Sender(QObject): + + bar = Signal(int) + + def __init__(self, parent=None): + QObject.__init__(self, parent) + + +class Joe(QObject): + + bar = Signal(int) + + def __init__(self, parent=None): + QObject.__init__(self, parent) + + +class SegfaultCase(unittest.TestCase): + """Test case for the segfault happening when parent() is called inside + ProxyObject""" + + def setUp(self): + self.called = False + + def tearDown(self): + try: + del self.args + except: # noqa: E722 + pass + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + + def callback(self, *args): + if tuple(self.args) == args: + self.called = True + + def testSegfault(self): + """Regression: Segfault for qobjects in the same memory position.""" + obj = Sender() + obj.bar.connect(self.callback) + self.args = (33,) + obj.bar.emit(self.args[0]) + self.assertTrue(self.called) + del obj + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + + obj = Joe() + obj.bar.connect(self.callback) + self.args = (33,) + obj.bar.emit(self.args[0]) + self.assertTrue(self.called) + + +if __name__ == '__main__': + unittest.main() |