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diff --git a/sources/pyside2/tests/QtWidgets/wrong_return_test.py b/sources/pyside2/tests/QtWidgets/wrong_return_test.py
new file mode 100644
index 000000000..f50420a64
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+++ b/sources/pyside2/tests/QtWidgets/wrong_return_test.py
@@ -0,0 +1,58 @@
+#############################################################################
+##
+## 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 Virtual functions with wrong return type'''
+
+import unittest
+import py3kcompat as py3k
+from PySide2 import QtWidgets
+from helper import UsesQApplication
+
+import warnings
+warnings.simplefilter('error')
+
+
+class MyWidget(QtWidgets.QWidget):
+    def __init__(self, parent=None):
+        super(MyWidget, self).__init__(parent)
+
+    def sizeHint(self):
+        pass
+
+class testCase(UsesQApplication):
+
+    def testVirtualReturn(self):
+        w = MyWidget()
+        if py3k.IS_PY3K:
+            self.assertWarns(RuntimeWarning, w.show)
+        else:
+            self.assertRaises(RuntimeWarning, w.show)
+
+
+if __name__ == '__main__':
+    unittest.main()