def testEvents(self):
class EventHandler:
def handler(self, x, args):
self.value = args.value
event_handler = EventHandler()
x = SubClassTest()
x.TestEvent += event_handler.handler
self.assertEqual(TestFunctions.test_event(x, 1), 1)
self.assertEqual(event_handler.value, 1)
i = InterfaceTestClass()
self.assertRaises(NotImplementedException, TestFunctions.test_event, i, 2)
d = DerivedEventTest()
d.add_TestEvent(event_handler.handler)
self.assertEqual(TestFunctions.test_event(d, 3), 3)
self.assertEqual(event_handler.value, 3)
self.assertEqual(len(d.event_handlers), 1)
