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Software in technical domains contains extensive and complex computations in a highly-optimized and unstructured way. Such software systems developed and maintained over years are prone to become legacy code based on old technology and without accurate documentation. We have conducted several industrial projects to reengineer and redocument legacy systems in electrical engineering and steel making domains by means of self-provided techniques and tools. Based on this experience, we derived requirements for a toolkit to analyze legacy code in technical domains and developed a corresponding toolkit including feature location and static analysis on a multi-language level. We have applied our approach and toolkit for software systems implemented in the C++, Fortran, and PL/SQL programming languages and illustrate main benefits of our approach from these experiences.

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Software testing is essential and takes a large part of resources during software development. This motivates automating software testing as far as possible. Frameworks for automating unit testing are approved and applied for a plethora of programming languages to write tests for small units in the same programming language. Both constraints, unit size and programming language, inhibit automation of software testing in domain of mobile software frameworks. This circumstance has motivated the development of a new testbed for a framework in the domain of mobile systems. In this paper, we describe requirements and challenges in testing mobile software frameworks in general and present a novel testbed for the APOXI framework that addresses these requirements. The main ideas behind this testbed are the usage of a scripting language to specify test cases and to incorporate domain-specific aspects on the language level. The testbed facilitates component and system testing but can be used for unit testing as well.