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  • 1.
    Doganay, Kivanc
    et al.
    RISE, Swedish ICT, SICS.
    Eldh, Sigrid
    Afzal, Wasif
    Bohlin, Markus
    RISE - Research Institutes of Sweden, ICT, SICS.
    Search-based Testing for Embedded Telecommunication Software with Complex Input Structures: An Industrial Case Study2014Report (Other academic)
    Abstract [en]

    In this paper, we discuss the application of search-based software testing techniques for unit level testing of a real-world telecommunication middleware at Ericsson. Input data for the system under test consists of nested data structures, and includes non-trivial variables such as uninitialized pointers. Our current implementation analyzes the existing test cases to discover how to handle pointers, set global system parameters, and any other setup code that needs to run before the actual test case. Hill climbing (HC) and (1+1) evolutionary algorithm (EA) metaheuristic search algorithms are used to generate input data for branch coverage. We compare HC, (1+1)EA, and random search as a baseline of performance with respect to effectiveness, measured as branch coverage, and efficiency, measured as number of executions needed. Difficulties arising from the specialized execution environment and the adaptations for handling these problems are also discussed.

  • 2. Enoiu, Eduard Paul
    et al.
    Doganay, Kivanc
    RISE, Swedish ICT, SICS.
    Bohlin, Markus
    RISE - Research Institutes of Sweden, ICT, SICS.
    Sundmark, Daniel
    RISE, Swedish ICT, SICS.
    Pettersson, Paul
    MOS: An Integrated Model-based and Search-based Testing Tool for Function Block Diagrams2013Conference paper (Refereed)
    Abstract [en]

    In this paper we present a new testing tool for safety critical applications described in Function Block Diagram (FBD) language aimed to support both a model and a search-based approach. Many benefits emerge from this tool, including the ability to automatically generate test suites from an FBD program in order to comply to quality requirements such as component testing and specific coverage measurements. Search-based testing methods are used to generate test data based on executable code rather than the FBD program, alleviating any problems that may arise from the ambiguities that occur while creating FBD programs. Test cases generated by both approaches are executed and used as a way of cross validation. In the current work, we describe the architecture of the tool, its workflow process, and a case study in which the tool has been applied in a real industrial setting to test a train control management system.

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