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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
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.QtGui import QTextBlockUserData, QTextCursor, QTextDocument
class MyData(QTextBlockUserData):
def __init__(self, data):
super().__init__()
self.data = data
def getMyNiceData(self):
return self.data
class TestBug652(unittest.TestCase):
"""Segfault when using QTextBlock::setUserData due to missing ownership transfer"""
def testIt(self):
td = QTextDocument()
tc = QTextCursor(td)
tc.insertText("Hello world")
heyHo = "hey ho!"
tc.block().setUserData(MyData(heyHo))
self.assertEqual(type(tc.block().userData()), MyData)
self.assertEqual(tc.block().userData().getMyNiceData(), heyHo)
del tc
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
tc = QTextCursor(td)
blk = tc.block()
self.assertEqual(type(blk.userData()), MyData)
self.assertEqual(blk.userData().getMyNiceData(), heyHo)
if __name__ == "__main__":
unittest.main()
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