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Issue No.01 - January (2003 vol.29)
pp: 1-14
ABSTRACT
<p><b>Abstract</b>—The fault-state detection approach for blackbox testing consists of two phases. The first is to bring the system under test (SUT) from its initial state to a targeted state <em>t</em> and the second is to check various specified properties of the SUT at <em>t</em>. This paper investigates the first phase for testing systems specified as observable nondeterministic finite-state machines with probabilistic and weighted transitions. This phase involves two steps. The first step transfers the SUT to some state <i>t'</i> and the second step identifies whether <em>t'</em> is indeed the targeted state <em>t</em> or not. State transfer is achieved by moving the SUT along one of the paths of a transfer tree (TT) and state identification is realized by using diagnosis trees (DT). A theoretical foundation for the existence and characterization of TT and DT with minimum weighted height or minimum average weight is presented. Algorithms for their computation are proposed.</p>
INDEX TERMS
Average weight, distinguishing tree, nondeterministic finite-state machine, testing, transfer tree, weighted height.
CITATION
Fan Zhang, To-yat Cheung, "Optimal Transfer Trees and Distinguishing Trees for Testing Observable Nondeterministic Finite-State Machines", IEEE Transactions on Software Engineering, vol.29, no. 1, pp. 1-14, January 2003, doi:10.1109/TSE.2003.1166585
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