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Regression testing re-runs some previously executed test cases, with the purpose of checking whether previously fixed faults have re-emerged and ensuring that the changes do not negatively affect the existing behaviors of the software under development. Today's software is rapidly developed and evolved, and thus it is critical to implement regression testing quickly and effectively. In this paper,...
A software product-line comprises a set of products that share a common set of features. These features can be reused to customize a product to satisfy specific needs of certain customers or markets. As the number of possible products increases exponentially for new features, testing all products is infeasible. Existing testing approaches reduce their effort by restricting the number of products (sampling)...
Continuous improvement, feedback mechanisms and automated testing are cornerstones of agile methods. We introduce the concept of test analytics, which brings these three practices together. We illustrate the concept with an industrial case study and describe the experiments run by a team who had set a goal for itself to get better at testing. Beyond technical aspects, we explain how these experiments...
Diderot is a parallel domain-specific language forthe analysis and visualization of multidimensional scientific images, such as those produced by CT and MRI scanners. Diderot is designed to support algorithms that are based on differential tensor calculus and produces a higher-order mathematical model which allows direct manipulation of tensor fields. One of the main challenges of the Diderot implementation...
Writing good software tests is difficult, not everysoftware developer’s favorite occupation, and not a prominentaspect in programming education. However, human involvementin testing is unavoidable: What makes a test good is oftendown to intuition; what makes a test useful depends on anunderstanding of the program context; what makes a test findbugs depends on understanding the intended program behaviour...
Achieving successful technology adoption in practice has often been an important goal for both academic and industrial researchers. However, it is generally challenging to transfer research results into industrial products or into tools that are widely adopted. What are the key factors that lead to practical impact for a research project? This talk presents experiences and lessons learned in successfully...
Summary form only given, as follows. Software systems have become more and more complicated with components developed by different vendors and using different techniques in different programming languages and even run on different platforms. Few software testing tools can support all testing tasks within one tool. There is an urgent requirement to develop the technology of software test automation...
Test case reduction has been automated since the introduction of the minimizing Delta Debugging algorithm, but improving the efficiency of reduction is still the focus of research. This paper focuses on Hierarchical Delta Debugging, already an improvement over the original technique, and describes how its input tree and caching approach can be changed for higher efficiency. The proposed optimizations...
Software testing plays a major role for engineering future systems that become more and more ubiquitous and also more critical for every days life. In order to fulfill the high demand, test automation is needed as a keystone. However, test automation, as it is used today, is counting on scripting and capture-and-replay and is not able to keep up with autonomous and intelligent systems. Therefore,...
In this work, we present a tool that systematically discovers and tests the user-observable states of an Android application. We define an appropriate notion of test coverage, and we show the tool's potential by applying it to several publicly available applications.
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