The relationships between factors in signal processing software is complicate
even some factors is redundant. And its difficult to determine equivalence classes of factors. Traditional methods deal badly with test generation of signal processing software
by lager size and poor result. This paper discusses a new way of using variable strength combinatorial coverage into test generation of signal processing software. On the basis of the density algorithm
the application steps of the approach are given. Based on formalization expression of algorithm
a method is suggested to optimize coverage requirement. Experimental results show that the suggested method reduces the size of test cases
and improves the effect of test cases.
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references
Cohen M B, Gibbons P B, Mugridge W B, et al. Variable strength interaction testing of components[C]//Proceedings of the 27th An-nual International Computer Software and Applicatio-ns Conference(COMPSAC2003). Dallas, TX, USA, 2003: 413-418.