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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of PySide2.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+'''Tests for object reparenting.'''
+
+import unittest
+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)
+
+ 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()
+