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diff --git a/sources/pyside2/tests/QtCore/qobject_inherits_test.py b/sources/pyside2/tests/QtCore/qobject_inherits_test.py
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+++ b/sources/pyside2/tests/QtCore/qobject_inherits_test.py
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+#############################################################################
+##
+## 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+'''Test cases for QObject methods'''
+
+import unittest
+
+from PySide2.QtCore import QObject
+
+class InheritsCase(unittest.TestCase):
+    '''Test case for QObject.inherits'''
+
+    def testCppInheritance(self):
+        #QObject.inherits() for c++ classes
+        #An class inherits itself
+        self.assertTrue(QObject().inherits('QObject'))
+
+    def testPythonInheritance(self):
+        #QObject.inherits() for python classes
+
+        class Dummy(QObject):
+            #Dummy class
+            pass
+
+        self.assertTrue(Dummy().inherits('QObject'))
+        self.assertTrue(Dummy().inherits('Dummy'))
+        self.assertTrue(not Dummy().inherits('FooBar'))
+
+    def testPythonMultiInheritance(self):
+        #QObject.inherits() for multiple inheritance
+        # QObject.inherits(classname) should fail if classname isn't a
+        # QObject subclass
+
+        class Parent(object):
+            #Dummy parent
+            pass
+        class Dummy(QObject, Parent):
+            #Dummy class
+            pass
+
+        self.assertTrue(Dummy().inherits('QObject'))
+        self.assertTrue(not Dummy().inherits('Parent'))
+
+    def testSetAttributeBeforeCallingInitOnQObjectDerived(self):
+        '''Test for bug #428.'''
+        class DerivedObject(QObject):
+            def __init__(self):
+                self.member = 'member'
+                QObject.__init__(self)
+        obj0 = DerivedObject()
+        # The second instantiation of DerivedObject will generate an exception
+        # that will not come to surface immediately.
+        obj1 = DerivedObject()
+        # The mere calling of the object method causes
+        # the exception to "reach the surface".
+        obj1.objectName()
+
+    def testMultipleInheritance(self):
+        def declareClass():
+            class Foo(object, QObject):
+                pass
+
+        self.assertRaises(TypeError, declareClass)
+
+if __name__ == '__main__':
+    unittest.main()