In Hwa Choi, Jong Ho Paik, Jun Hwang, Journal of Internet Computing and Services, Vol. 14, No. 1, pp. 31-40, Feb. 2013
10.7472/jksii.2013.14.31, Full Text:
Keywords: Testing, Interface Testing, Interface Discrepancy Fault Test Model, Fault Tolerance

Abstract

Generally, there can be a interface discrepancy between the legacy hardware and the new software in combining new software component with reused hardware components in the embedded system. This kind of the interface discrepancy may cause various types of faults and also result in declining interface fault tolerance. In this paper we propose a method to improve interface fault tolerance. First of all, the new interface discrepancy fault type which has not been dealt with before is to be defined and next the testing method for generating test paths is proposed by considering the new defined interface discrepancy fault type in this paper. Several tests show that the proposed method detects more fatal faults about 7.9% in comparison with the existing testing method for commercial broadcasting receiver. Since the proposed method can provide software developers with test paths to be available earlier on the software development cycle, in addition, software developers can regard on interface discrepancy fault in advance. Consequently, more efficient test planning can be established to improve the interface fault tolerance.

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