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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 Abstract class'''
import sys
import unittest
from sample import Abstract
class Incomplete(Abstract):
def __init__(self):
Abstract.__init__(self)
class Concrete(Abstract):
def __init__(self):
Abstract.__init__(self)
self.pure_virtual_called = False
self.unpure_virtual_called = False
def pureVirtual(self):
self.pure_virtual_called = True
def pureVirtualReturningVoidPtr(self):
return 42
def unpureVirtual(self):
self.unpure_virtual_called = True
def virtualGettingAEnum(self, enum):
self.virtual_getting_enum = True
class AbstractTest(unittest.TestCase):
'''Test case for Abstract class'''
def testAbstractPureVirtualMethodAvailability(self):
'''Test if Abstract class pure virtual method was properly wrapped.'''
self.assertTrue('pureVirtual' in dir(Abstract))
def testAbstractInstanciation(self):
'''Test if instanciation of an abstract class raises the correct exception.'''
self.assertRaises(NotImplementedError, Abstract)
def testUnimplementedPureVirtualMethodCall(self):
'''Test if calling a pure virtual method raises the correct exception.'''
i = Incomplete()
self.assertRaises(NotImplementedError, i.pureVirtual)
def testPureVirtualReturningVoidPtrReturnValue(self):
'''Test if a pure virtual method returning void ptr can be properly reimplemented'''
# Note that the semantics of reimplementing the pure virtual method in
# Python and calling it from C++ is undefined until it's decided how to
# cast the Python data types to void pointers
c = Concrete()
self.assertEqual(c.pureVirtualReturningVoidPtr(),42)
def testReimplementedVirtualMethodCall(self):
'''Test if instanciation of an abstract class raises the correct exception.'''
i = Concrete()
self.assertRaises(NotImplementedError, i.callPureVirtual)
def testReimplementedVirtualMethodCall(self):
'''Test if a Python override of a virtual method is correctly called from C++.'''
c = Concrete()
c.callUnpureVirtual()
self.assertTrue(c.unpure_virtual_called)
def testImplementedPureVirtualMethodCall(self):
'''Test if a Python override of a pure virtual method is correctly called from C++.'''
c = Concrete()
c.callPureVirtual()
self.assertTrue(c.pure_virtual_called)
def testEnumParameterOnVirtualMethodCall(self):
'''testEnumParameterOnVirtualMethodCall'''
c = Concrete()
c.callVirtualGettingEnum(Abstract.Short)
self.assertTrue(c.virtual_getting_enum)
if __name__ == '__main__':
unittest.main()
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