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Model-based Testing of a WAP Gateway: an Industrial Case-Study
Publication Type:
Conference/Workshop Paper
Venue:
International Workshop on Formal Methods for Industrial Critical Systems (FMICS06)
Publisher:
Springer-Verlag
Abstract
We present experiences from a case study where a model-based approach
to black-box testing is applied to verify that aWireless Application Protocol
(WAP) gateway conforms to its specification. TheWAP gateway is developed
by Ericsson and used in mobile telephone networks to connect mobile phones
with the Internet. We focus on testing the software implementing the session
(WSP) and transaction (WTP) layers of the WAP protocol. These layers, and
their surrounding environment, are described as a network of timed automata.
To model the many sequence numbers (from a large domain) used in the protocol,
we introduce an abstraction technique. We believe the suggested abstraction
technique will prove useful to model and analyse other similar protocols with
sequence numbers, in particular in the context of model-based testing.
A complete test bed is presented, which includes generation and execution of test
cases. It takes as input a model and a coverage criterion expressed as an observer,
and returns a verdict for each test case. The test bed includes existing tools from
Ericsson for test-case execution. To generate test suites, we use our own tool
COVERâ a new test-case generation tool based on the real-time model-checker
UPPAAL.
Bibtex
@inproceedings{Hessel1038,
author = {Anders Hessel and Paul Pettersson},
title = {Model-based Testing of a WAP Gateway: an Industrial Case-Study},
pages = {116--131},
month = {February},
year = {2006},
booktitle = {International Workshop on Formal Methods for Industrial Critical Systems (FMICS06)},
publisher = {Springer-Verlag},
url = {http://www.es.mdu.se/publications/1038-}
}