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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 case for QAbstractListModel.createIndex and QModelIndex.internalPointer'''
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.QtCore import QAbstractListModel, QObject
class MyModel (QAbstractListModel):
pass
class TestQModelIndexInternalPointer(unittest.TestCase):
''' Test case for QAbstractListModel.createIndex and QModelIndex.internalPointer'''
def setUp(self):
# Acquire resources
self.model = MyModel()
def tearDown(self):
# Release resources
del self.model
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
def testInternalPointer(self):
# Test QAbstractListModel.createIndex and
# QModelIndex.internalPointer with regular Python objects
obj = QObject()
idx = self.model.createIndex(0, 0, "Hello")
i = idx.internalPointer()
self.assertEqual(i, "Hello")
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testReferenceCounting(self):
# Test reference counting when retrieving data with
# QModelIndex.internalPointer
o = [1, 2, 3]
o_refcnt = sys.getrefcount(o)
idx = self.model.createIndex(0, 0, o)
ptr = idx.internalPointer()
self.assertEqual(sys.getrefcount(o), o_refcnt + 1)
def testIndexForDefaultDataArg(self):
# Test QAbstractListModel.createIndex with a default
# value for data argument
idx = self.model.createIndex(0, 0)
self.assertEqual(None, idx.internalPointer())
if __name__ == '__main__':
unittest.main()
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