A survey of software functional testing methods
ACM SIGSOFT Software Engineering Notes
Software unit test coverage and adequacy
ACM Computing Surveys (CSUR)
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Several inequalities are derived for use in certifying function subroutines by means of black box testing. It is assumed that a function is approximated by means of a polynomial of limited degree on a closed interval. These inequalities give upper bounds on the error of the approximation over the entire interval based on the error measured over a finite sample and known properties of the function.