The Csaw C Mutation Tool: Initial Results

  • Authors:
  • Michael Ellims;Darrel Ince;Marian Petre

  • Affiliations:
  • Pi Shurlok/OpenUniversity;Open University;Open University

  • Venue:
  • TAICPART-MUTATION '07 Proceedings of the Testing: Academic and Industrial Conference Practice and Research Techniques - MUTATION
  • Year:
  • 2007

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Abstract

There is a perceived lack of mutation tools for the C language and information about the tools that are available was not widely disseminated until recently. This has lead to the development of a small set of programs to support the use of mutation on C language programs as part of a research effort into the use of automatically generated test sets. This paper describes a lightweight C language mutation tool and some initial results from its application to sorting algorithms. The paper describes how kill rates could be improved using a different encoding for Boolean values and details how the use of CPU time can be used as an additional means of detecting mutants.