An approach to software testability measurement

Software testability is becoming an important factor to be considered during software development and assessment, especially for those critical softwares. This paper gives software testability: previously defined by Voas, a new model and measurement which is done before random black-box testing with repect to a particular input distribution. We also compared our measurement results with the one simulated according with Voas's model. It showed that our rough testability estimate provides enough information and will be used as guidelines for software development.