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Testing is a validation process carried out to find errors in a system. Testability metrics aims at identifying parts of a design/code that are difficult to test. In this article, we focus on two testability metrics defined for systems written in Lustre/Scade. An intuitive interpretation was proposed for these metrics. The aims of the work described here is to check whether this intuitive interpretation...
Testability is a software characteristic that aims at producing systems easy to test. A testability antipattern is a factor that could affect negatively the testability of software. In this paper we compare the antipatterns at source code level and at different abstraction levels, in order to understand at which point they are introduced during the development.
Depth of Inheritance Tree (DIT) is supposed to be a factor influencing the cost of testing: test would be more expensive if DIT is large. A question is thus to know whether DIT can be used as a predictive metric to estimate the cost of testing. In this paper, we consider the cost of testing as the number of test cases required to achieve the branch coverage, which is a classical criterion for structural...
Depth of inheritance tree (DIT) is considered as a factor influencing the cost of testing. Test is supposed to be more expensive if DIT is high. This paper relates the analysis of DIT with respect to the number of methods to test in each class. Our study based on more than 1700 classes from 6 Java applications.
LUTESS is a test data generator dedicated to synchronous software validation. The tool produces test with respect to an environment description. To check if this description is really as expected, we use mutation analysis. The key point of the approach is to select a subset of mutants which characterizes some kind of "interesting situations" that are supposed to be often produced thanks...
Tobias is a combinatorial testing tool that was used succesfully on several case studies. Currently, the evolution of the tool goes through a significant redevelopment effort. A first step is the production of an executable specification of the Tobias Test Generator. The goal of this specification effort is to provide a synthetic and precise description of Tobias to the developers of the new tool...
Several studies have shown that automated testing is a promising approach to save significant amounts of time and money in the industry of reactive software. But automated testing requires a formal framework and adequate means to generate test data. In the context of synchronous reactive software, we have built such a framework and its associated tool-Lutess-to integrate various well-founded testing...
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