Automatic test vector generation method based on generalized set of folding

2011 
An automatic test vector generation method based on a general folding set comprises the following steps of: firstly, classifying faults into faults easy to test and faults difficult to test through random tests, merging the faults difficult to test, dividing the number of the faults difficult to test which can be tested by using the same test vector into groups, selecting two groups of faults having the maximal number of faults capable of being merged together, judging an original input of producing influence during the rollback process to each signal by employing the influence range technology, directing the generation process of the test vectors to generate two corresponding test vectors, determining the corresponding general folding set by the two test vectors, performing fault simulation by using each test vector of the general folding set, and checking all the faults which can be tested by the general folding set; next, generating complete general folding sets for the left faults by the method until all the faults can be completely detected; and finally obtaining a plurality of determined general folding sets. The method provided by the invention has the advantages that test data can be compressed according to a general folding principle, that is to say, the generated data is easier to compress.
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