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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for QLabel'''
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(True)
from PySide6.QtCore import Qt
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
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
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
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
# 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()))
# Test for PYSIDE-1673, QObject.property() returning a QFlags<> property.
def testQObjectProperty(self):
a = self.label.property("alignment")
self.assertEqual(type(a), Qt.AlignmentFlag if sys.pyside63_option_python_enum
else Qt.Alignment)
print("alignment=", a)
if __name__ == '__main__':
unittest.main()
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