VPP-ART: An Efficient Implementation of Fixed-Size-Candidate-Set Adaptive Random Testing Using Vantage Point Partitioning

Rubing Huang, Chenhui Cui, Dave Towey, Weifeng Sun, Junlong Lian

Research output: Journal PublicationArticlepeer-review

1 Citation (Scopus)

Abstract

<italic>Adaptive random testing</italic> (ART) is an enhancement of <italic>random testing</italic> (RT), and aims to improve the RT failure-detection effectiveness by distributing test cases more evenly in the input domain. Many ART algorithms have been proposed, with <italic>fixed-size-candidate-set</italic> ART (FSCS-ART) being one of the most effective and popular. FSCS-ART ensures high failure-detection effectiveness by selecting as the next test case the candidate farthest from previously executed test cases. Although FSCS-ART has good failure-detection effectiveness, it also faces some challenges, including heavy computational overheads. In this article, we propose an enhanced version of FSCS-ART, <italic>vantage point partitioning ART</italic> (VPP-ART). VPP-ART addresses the FSCS-ART computational overhead problem using VPP, while maintaining the failure-detection effectiveness. VPP-ART partitions the input domain space using a <italic>modified vantage point tree</italic> (VP-tree) and finds the approximate nearest executed test cases of a candidate test case in the partitioned subdomains&#x2014;thereby significantly reducing the time overheads compared with the searches required for FSCS-ART. To enable the FSCS-ART dynamic insertion process, we modify the traditional VP-tree to support dynamic data. The simulation results show that VPP-ART has a much lower time overhead compared to FSCS-ART, but also delivers similar (or better) failure-detection effectiveness, especially in the higher dimensional input domains. According to statistical analyses, VPP-ART can improve on the FSCS-ART failure-detection effectiveness by approximately 50&#x2013;58&#x0025;. VPP-ART also compares favorably with the <italic>KD-tree-enhanced fixed-size-candidate-set ART</italic> (KDFC-ART) algorithms (a series of enhanced ART algorithms based on the KD-tree). Our experiments also show that VPP-ART is more cost-effective than FSCS-ART and KDFC-ART.

Original languageEnglish
Pages (from-to)1-16
Number of pages16
JournalIEEE Transactions on Reliability
DOIs
Publication statusAccepted/In press - 2022

Keywords

  • adaptive random testing (ART)
  • approximate nearest neighbor
  • Software testing
  • vantage point partitioning (VPP)
  • vantage point tree (VP-tree)

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Electrical and Electronic Engineering

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