diff options
Diffstat (limited to 'sources/pyside2/tests/signals/bug_79.py')
-rw-r--r-- | sources/pyside2/tests/signals/bug_79.py | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sources/pyside2/tests/signals/bug_79.py b/sources/pyside2/tests/signals/bug_79.py new file mode 100644 index 000000000..d0a6515f3 --- /dev/null +++ b/sources/pyside2/tests/signals/bug_79.py @@ -0,0 +1,69 @@ +############################################################################# +## +## 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. +## +## $QT_END_LICENSE$ +## +############################################################################# + +from __future__ import print_function +import unittest +import sys +import gc + +from PySide2 import QtGui, QtWidgets + +try: + from sys import gettotalrefcount + skiptest = False +except ImportError: + skiptest = True + +class ConnectTest(unittest.TestCase): + + def callback(self, o): + print("callback") + self._called = o + + def testNoLeaks_ConnectAndDisconnect(self): + self._called = None + app = QtWidgets.QApplication([]) + o = QtWidgets.QTreeView() + o.setModel(QtGui.QStandardItemModel()) + o.selectionModel().destroyed.connect(self.callback) + o.selectionModel().destroyed.disconnect(self.callback) + gc.collect() + # if this is no debug build, then we check at least that + # we do not crash any longer. + if not skiptest: + total = sys.gettotalrefcount() + for idx in range(1000): + o.selectionModel().destroyed.connect(self.callback) + o.selectionModel().destroyed.disconnect(self.callback) + gc.collect() + if not skiptest: + self.assertTrue(abs(gettotalrefcount() - total) < 10) + + +if __name__ == '__main__': + unittest.main() |