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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 the Qt for Python project.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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 unittest
import sys
from PySide2 import QtWidgets, QtCore
from helper import UsesQApplication
class QListWidgetTest(UsesQApplication):
def populateList(self, lst):
o = QtCore.QObject()
o.setObjectName("obj")
item = QtWidgets.QListWidgetItem("item0")
item.setData(QtCore.Qt.UserRole, o)
#item._data = o
self.assertTrue(sys.getrefcount(o), 3)
self.assertTrue(sys.getrefcount(item), 2)
lst.addItem(item)
self.assertTrue(sys.getrefcount(item), 3)
def checkCurrentItem(self, lst):
item = lst.currentItem()
self.assertTrue(sys.getrefcount(item), 3)
def checkItemData(self, lst):
item = lst.currentItem()
o = item.data(QtCore.Qt.UserRole)
self.assertTrue(sys.getrefcount(o), 4)
self.assertEqual(o, item._data)
self.assertTrue(sys.getrefcount(o), 2)
def testConstructorWithParent(self):
lst = QtWidgets.QListWidget()
self.populateList(lst)
self.checkCurrentItem(lst)
i = lst.item(0)
self.assertTrue(sys.getrefcount(i), 3)
del lst
self.assertTrue(sys.getrefcount(i), 2)
del i
def testIt(self):
lst = QtWidgets.QListWidget()
lst.show()
slot = lambda : lst.removeItemWidget(lst.currentItem())
lst.addItem(QtWidgets.QListWidgetItem("foo"))
QtCore.QTimer.singleShot(0, slot)
QtCore.QTimer.singleShot(0, lst.close)
self.app.exec_()
self.assertEqual(lst.count(), 1)
def testClear(self):
lst = QtWidgets.QListWidget()
lst.addItem("foo")
item = lst.item(0)
self.assertIsNone(lst.clear())
self.assertRaises(RuntimeError, lambda: item.text())
if __name__ == '__main__':
unittest.main()
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