1 files changed, 111 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py b/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py
new file mode 100644
index 000000000..304223063
--- /dev/null
+++ b/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py
@@ -0,0 +1,111 @@
+#!/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 object reparenting.'''
+
+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()
+import sys
+
+from sample import ObjectType
+
+
+class ExtObjectType(ObjectType):
+    def __init__(self):
+        ObjectType.__init__(self)
+
+
+class ReparentingTest(unittest.TestCase):
+    '''Tests for object reparenting.'''
+
+    def testReparentedObjectTypeIdentity(self):
+        '''Reparent children from one parent to another.'''
+        object_list = []
+        old_parent = ObjectType()
+        new_parent = ObjectType()
+        for i in range(3):
+            obj = ObjectType()
+            object_list.append(obj)
+            obj.setParent(old_parent)
+        for obj in object_list:
+            obj.setParent(new_parent)
+        for child in new_parent.children():
+            self.assertTrue(child in object_list)
+
+    @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
+    def testReparentWithTheSameParent(self):
+        '''Set the same parent twice to check if the ref continue the same'''
+        obj = ObjectType()
+        parent = ObjectType()
+        self.assertEqual(sys.getrefcount(obj), 2)
+        obj.setParent(parent)
+        self.assertEqual(sys.getrefcount(obj), 3)
+        obj.setParent(parent)
+        self.assertEqual(sys.getrefcount(obj), 3)
+
+    def testReparentedExtObjectType(self):
+        '''Reparent children from one extended parent to another.'''
+        object_list = []
+        old_parent = ExtObjectType()
+        new_parent = ExtObjectType()
+        for i in range(3):
+            obj = ExtObjectType()
+            object_list.append(obj)
+            obj.setParent(old_parent)
+        for obj in object_list:
+            obj.setParent(new_parent)
+        for orig, child in zip(object_list, new_parent.children()):
+            self.assertEqual(type(orig), type(child))
+
+    def testReparentedObjectTypeIdentityWithParentsCreatedInCpp(self):
+        '''Reparent children from one parent to another, both created in C++.'''
+        object_list = []
+        old_parent = ObjectType.create()
+        new_parent = ObjectType.create()
+        for i in range(3):
+            obj = ObjectType()
+            object_list.append(obj)
+            obj.setParent(old_parent)
+        for obj in object_list:
+            obj.setParent(new_parent)
+        for child in new_parent.children():
+            self.assertTrue(child in object_list)
+
+    def testReparentedObjectTypeIdentityWithChildrenCreatedInCpp(self):
+        '''Reparent children created in C++ from one parent to another.'''
+        object_list = []
+        old_parent = ObjectType()
+        new_parent = ObjectType()
+        for i in range(3):
+            obj = ObjectType.create()
+            object_list.append(obj)
+            obj.setParent(old_parent)
+        for obj in object_list:
+            obj.setParent(new_parent)
+        for child in new_parent.children():
+            self.assertTrue(child in object_list)
+
+    def testReparentedObjectTypeIdentityWithParentsAndChildrenCreatedInCpp(self):
+        '''Reparent children from one parent to another. Parents and children are created in C++.'''
+        object_list = []
+        old_parent = ObjectType.create()
+        new_parent = ObjectType.create()
+        for i in range(3):
+            obj = ObjectType.create()
+            object_list.append(obj)
+            obj.setParent(old_parent)
+        for obj in object_list:
+            obj.setParent(new_parent)
+        for child in new_parent.children():
+            self.assertTrue(child in object_list)
+
+
+if __name__ == '__main__':
+    unittest.main()