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A systematic approach to risk-based testing using risk-annotated requirements models

: Wendland, M.-F.; Kranz, M.; Schieferdecker, I.

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International Academy, Research, and Industry Association -IARIA-:
The Seventh International Conference on Software Engineering Advances, ICSEA 2012 : November 18-23, 2012 - Lisbon, Portugal
IARIA, 2012
ISBN: 978-1-61208-230-1
International Conference on Software Engineering Advances (ICSEA) <7, 2012, Lisbon>
Conference Paper, Electronic Publication
Fraunhofer FOKUS ()
risk-based testing; behavior engineering; modelbased testing; requirements model; safety-critical systems

Nowadays, software-intensive systems continuously pervade several areas of daily life, even critical ones, and replace established mechanical or manual solutions. Development and quality assurance methods have to ensure that these software-intensive systems are delivered both with adequate quality, optimized resources and within the scheduled time frame. The idea of risk-based testing is to prioritize testing activities to what is deemed critical for the software-intensive system. Although there is a common agreement that risk-based testing techniques ought to be rigorously applied, especially for safety- and security-critical systems, there is actually little knowledge available on how to systematically come to risk-optimized test suites. This paper presents a novel approach to risk-based testing that deals with the transition from risk management and requirements engineering to test design activities and test case generation by using models. The main contribution of the paper is the description of a methodology that allows an easy combination of test generation directives and risk level in order to generate risk-optimized test suites.