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Testability of software components

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1 Author(s)
R. S. Freedman ; Dept. of Comput. Sci., Polytech. Univ., Brooklyn, NY, USA

The concept of domain testability of software is defined by applying the concepts of observability and controllability to software. It is shown that a domain-testable program does not exhibit any input-output inconsistencies and supports small test sets in which test outputs are easily understood. Metrics that can be used to assess the level of effort required in order to modify a program so that it is domain-testable are discussed. Assessing testability from program specifications and an experiment which shows that it takes less time to build and test a program developed from a domain-testable specification than a similar program developed from a nondomain-testable specification are also discussed

Published in:

IEEE Transactions on Software Engineering  (Volume:17 ,  Issue: 6 )