1 files changed, 48 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/ownership_invalidate_parent_test.py b/sources/shiboken6/tests/samplebinding/ownership_invalidate_parent_test.py
new file mode 100644
index 000000000..c721a212c
--- /dev/null
+++ b/sources/shiboken6/tests/samplebinding/ownership_invalidate_parent_test.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Tests for invalidating a parent of other objects.'''
+
+import os
+import sys
+import unittest
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from shiboken_paths import init_paths
+init_paths()
+
+from sample import ObjectType, BlackBox
+
+
+class InvalidateParentTest(unittest.TestCase):
+    '''Tests for invalidating a parent of other objects.'''
+
+    def testInvalidateParent(self):
+        '''Invalidate parent should invalidate children'''
+        parent = ObjectType.create()
+        child1 = ObjectType(parent)
+        child1.setObjectName("child1")
+        child2 = ObjectType.create()
+        child2.setObjectName("child2")
+        child2.setParent(parent)
+        grandchild1 = ObjectType(child1)
+        grandchild1.setObjectName("grandchild1")
+        grandchild2 = ObjectType.create()
+        grandchild2.setObjectName("grandchild2")
+        grandchild2.setParent(child2)
+        bbox = BlackBox()
+
+        bbox.keepObjectType(parent)  # Should invalidate the parent
+
+        self.assertRaises(RuntimeError, parent.objectName)
+        # some children still valid they are wrapper classes
+        self.assertEqual(child1.objectName(), "child1")
+        self.assertRaises(RuntimeError, child2.objectName)
+        self.assertEqual(grandchild1.objectName(), "grandchild1")
+        self.assertRaises(RuntimeError, grandchild2.objectName)
+
+
+if __name__ == '__main__':
+    unittest.main()