1 files changed, 68 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/mi_virtual_methods_test.py b/sources/shiboken6/tests/samplebinding/mi_virtual_methods_test.py
new file mode 100644
index 000000000..8d324db59
--- /dev/null
+++ b/sources/shiboken6/tests/samplebinding/mi_virtual_methods_test.py
@@ -0,0 +1,68 @@
+#!/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()