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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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Ownership tests for cases of invalidation of Python wrapper after use.'''
import sys
import unittest
from sample import ObjectType, ObjectTypeDerived, Event
class ExtObjectType(ObjectType):
def __init__(self):
ObjectType.__init__(self)
self.type_of_last_event = None
self.last_event = None
def event(self, event):
self.last_event = event
self.type_of_last_event = event.eventType()
return True
class MyObjectType (ObjectType):
def __init__(self):
super(MyObjectType, self).__init__()
self.fail = False
def event(self, ev):
self.callInvalidateEvent(ev)
try:
ev.eventType()
except:
self.fail = True
raise
return True
def invalidateEvent(self, ev):
pass
class ExtObjectTypeDerived(ObjectTypeDerived):
def __init__(self):
ObjectTypeDerived.__init__(self)
self.type_of_last_event = None
self.last_event = None
def event(self, event):
self.last_event = event
self.type_of_last_event = event.eventType()
return True
class OwnershipInvalidateAfterUseTest(unittest.TestCase):
'''Ownership tests for cases of invalidation of Python wrapper after use.'''
def testInvalidateAfterUse(self):
'''In ObjectType.event(Event*) the wrapper object created for Event must me marked as invalid after the method is called.'''
eot = ExtObjectType()
eot.causeEvent(Event.SOME_EVENT)
self.assertEqual(eot.type_of_last_event, Event.SOME_EVENT)
self.assertRaises(RuntimeError, eot.last_event.eventType)
def testObjectInvalidatedAfterUseAsParameter(self):
'''Tries to use wrapper invalidated after use as a parameter to another method.'''
eot = ExtObjectType()
ot = ObjectType()
eot.causeEvent(Event.ANY_EVENT)
self.assertEqual(eot.type_of_last_event, Event.ANY_EVENT)
self.assertRaises(RuntimeError, ot.event, eot.last_event)
def testit(self):
obj = MyObjectType()
obj.causeEvent(Event.BASIC_EVENT)
self.assertFalse(obj.fail)
def testInvalidateAfterUseInDerived(self):
'''Invalidate was failing in a derived C++ class that also inherited
other base classes'''
eot = ExtObjectTypeDerived()
eot.causeEvent(Event.SOME_EVENT)
self.assertEqual(eot.type_of_last_event, Event.SOME_EVENT)
self.assertRaises(RuntimeError, eot.last_event.eventType)
if __name__ == '__main__':
unittest.main()
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