Generating test case chains for reactive systems

Schrammel, Peter, Melham, Tom and Kroening, Daniel (2016) Generating test case chains for reactive systems. International Journal on Software Tools for Technology Transfer, 18 (3). pp. 319-334. ISSN 1433-2779

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Testing of reactive systems is challenging because long input sequences are often needed to drive them into a state to test a desired feature. This is particularly problematic in on-target testing, where a system is tested in its real-life application environment and the amount of time required for resetting is high. This article presents an approach to discovering a test case chain—a single software execution that covers a group of test goals and minimizes overall test execution time. Our technique targets the scenario in which test goals for the requirements are given as safety properties. We give conditions for the existence and minimality of a single test case chain and minimize the number of test case chains if a single test case chain is infeasible. We report experimental results with our ChainCover tool for C code generated from Simulink models and compare it to state-of-the-art test suite generators.

Item Type: Article
Keywords: Test case generation Reactive systems Test optimization Bounded model checking
Schools and Departments: School of Engineering and Informatics > Informatics
Subjects: Q Science > QA Mathematics > QA0075 Electronic computers. Computer science
Depositing User: Peter Schrammel
Date Deposited: 09 May 2016 05:40
Last Modified: 18 Mar 2017 22:06

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