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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 Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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 methods in multiple inheritance scenarios'''
import unittest
from sample import VirtualMethods, ObjectType, Event
class ImplementsNone(ObjectType, VirtualMethods):
'''Implements no virtual methods'''
def __init__(self):
ObjectType.__init__(self)
VirtualMethods.__init__(self)
class ImplementsBoth(ObjectType, VirtualMethods):
'''Implements ObjectType.event and VirtualMethods.sum1'''
def __init__(self):
ObjectType.__init__(self)
VirtualMethods.__init__(self)
self.event_processed = False
def event(self, event):
self.event_processed = True
return True
def sum1(self, arg0, arg1, arg2):
return (arg0 + arg1 + arg2) * 2
class CppVirtualTest(unittest.TestCase):
'''Virtual method defined in c++ called from C++'''
def testCpp(self):
'''C++ calling C++ virtual method in multiple inheritance scenario'''
obj = ImplementsNone()
self.assertTrue(ObjectType.processEvent([obj], Event(Event.BASIC_EVENT)))
self.assertRaises(AttributeError, getattr, obj, 'event_processed')
self.assertEqual(obj.callSum0(1, 2, 3), 6)
class PyVirtualTest(unittest.TestCase):
'''Virtual method reimplemented in python called from C++'''
def testEvent(self):
'''C++ calling Python reimplementation of virtual in multiple inheritance'''
obj = ImplementsBoth()
self.assertTrue(ObjectType.processEvent([obj], Event(Event.BASIC_EVENT)))
self.assertTrue(obj.event_processed)
self.assertEqual(obj.callSum1(1, 2, 3), 12)
if __name__ == '__main__':
unittest.main()
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