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#############################################################################
##
## Copyright (C) 2018 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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test cases for QLabel'''
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(True)
from PySide6.QtGui import QPixmap
from PySide6.QtWidgets import QLabel
from shiboken6 import Shiboken
from helper.usesqapplication import UsesQApplication
class QLabelTest(UsesQApplication):
'''Test case for calling QLabel.setPixmap'''
def setUp(self):
super(QLabelTest, self).setUp()
self.label = QLabel()
def tearDown(self):
del self.label
super(QLabelTest, self).tearDown()
def testSetPixmap(self):
p1 = QPixmap(5, 5)
p2 = QPixmap(10, 10)
self.label.setPixmap(p1)
self.assertIsNotNone(self.label.pixmap())
# PYSIDE-150:
# When a new QPixmap is assigned to a QLabel,
# the previous one needs to be cleared.
# This means we should not keep a copy of the QPixmap
# on Python-side.
# Getting pointer to the QPixmap
ret_p = self.label.pixmap()
self.assertIsNot(p1, ret_p)
# Save the address of the pointer
ret_p_addr = Shiboken.getCppPointer(ret_p)
# Remove the QPixmap
del ret_p
# Set new QPixmap
self.label.setPixmap(p2)
# There should be no pointers remaining with the same
# address that our QPixmap p1 because it was deleted
# using `del ret_p`
self.assertTrue(all(Shiboken.getCppPointer(o) != ret_p_addr
for o in Shiboken.getAllValidWrappers()))
if __name__ == '__main__':
unittest.main()
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