Volume 10 Number 7 (Jul. 2015)
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JSW 2015 Vol.10(7): 904-911 ISSN: 1796-217X
doi: 10.17706/jsw.10.7.904-911

Test-Driven Approach for Safety-Critical Software Development

Onur Özçelik1, 2* D. Turgay Altilar2
1Scientific and Technological Research Council of Turkey, 41470 Kocaeli, Turkey.
2Department of Computer Engineering, Istanbul Technical University, 34469 Istanbul, Turkey.

Abstract—Nowadays software control large majority of systems that humankind use. Systems that software is used widely, such as transportation, military, medicine and avionics must be safe during operation. Fail in these critical systems may cause catastrophic results (i.e. loss of human life, loss or severe damage to environment or equipment etc.). In order to avoid failure on safety critical systems or at least mitigate risks detailed testing is required. Many safety critical systems are developed with sequential phases and tested with test last approach. But test last approach is not sufficient when requirements are unclear or changed. To overcome weaknesses of test last approach we propose test driven approach for safety critical software development, regulated by IEC 61508 standard. A systematic analysis of IEC 61508 software requirements against proposed approach showed that the approach directly supports some objectives and partially supports some of them. Supported objectives are safety requirement identification, simple and testable software design, verification and validation. In general introduced approach suits regulated software development well and this paper outlines these details.

Index Terms—Acceptance test-driven development, IEC 61508, safety-critical software, test-driven development.


Cite: Onur Özçelik, D. Turgay Altilar, "Test-Driven Approach for Safety-Critical Software Development," Journal of Software vol. 10, no. 7, pp. 904-911, 2015.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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