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#!/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
'''Test cases for virtual methods in multiple inheritance scenarios'''
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()
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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