1 files changed, 54 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/ownership_invalidate_child_test.py b/sources/shiboken6/tests/samplebinding/ownership_invalidate_child_test.py
new file mode 100644
index 000000000..77b7c576c
--- /dev/null
+++ b/sources/shiboken6/tests/samplebinding/ownership_invalidate_child_test.py
@@ -0,0 +1,54 @@
+#!/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 C++ created child that was already on the care of a parent.'''
+
+import gc
+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 InvalidateChildTest(unittest.TestCase):
+    '''Tests for invalidating a C++ created child that was already on the care of a parent.'''
+
+    def testInvalidateChild(self):
+        '''Invalidating method call should remove child from the care of a parent if it has one.'''
+        parent = ObjectType()
+        child1 = ObjectType(parent)
+        child1.setObjectName('child1')
+        child2 = ObjectType.create()
+        child2.setParent(parent)
+        child2.setObjectName('child2')
+
+        self.assertEqual(parent.children(), [child1, child2])
+
+        bbox = BlackBox()
+
+        # This method steals ownership from Python to C++.
+        bbox.keepObjectType(child1)
+        self.assertEqual(parent.children(), [child2])
+
+        bbox.keepObjectType(child2)
+        self.assertEqual(parent.children(), [])
+
+        del parent
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+        # PYSIDE-535: Why do I need to do it twice, here?
+        gc.collect()
+
+        self.assertEqual(child1.objectName(), 'child1')
+        self.assertRaises(RuntimeError, child2.objectName)
+
+
+if __name__ == '__main__':
+    unittest.main()