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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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+'''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()
+