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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 os
import sys
import unittest
import weakref
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 helper.usesqapplication import UsesQApplication
from PySide6.QtGui import QTextBlockUserData, QTextCursor
from PySide6.QtWidgets import QTextEdit
class TestUserData(QTextBlockUserData):
def __init__(self, data):
super().__init__()
self.data = data
class TestUserDataRefCount(UsesQApplication):
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testRefcount(self):
textedit = QTextEdit()
textedit.setReadOnly(True)
doc = textedit.document()
cursor = QTextCursor(doc)
cursor.insertText("PySide Rocks")
ud = TestUserData({"Life": 42})
self.assertEqual(sys.getrefcount(ud), 2)
cursor.block().setUserData(ud)
self.assertEqual(sys.getrefcount(ud), 3)
ud2 = cursor.block().userData()
self.assertEqual(sys.getrefcount(ud), 4)
self.udata = weakref.ref(ud, None)
del ud, ud2
self.assertEqual(sys.getrefcount(self.udata()), 2)
if __name__ == '__main__':
unittest.main()
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