Generating Test Data Based on Improved Uniform ... - Science Direct
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Generating Test Data Based on Improved Uniform ... - Science Direct
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Physics Procedia 25 (2012) 1245 – 1252
2012 International Conference on Solid State Devices and Materials Science
Generating Test Data Based on Improved Uniform Design Strategy Bo Yua, Zeliang Pangb a b
Swan College of Central South University of Forestry and Technology, ChangSha, Hunan province, 410004,China Swan College of Central South University of Forestry and Technology, ChangSha, Hunan province, 410004,China
Abstract The difficulty of k-way combination strategy for designing test data for obtaining high coverage rate is the number of test data is too large to process it. To overcome it, the improved uniform design method is presented in this paper. The method contains two steps. The first is to generate test set based on the selected representative values for each input parameter and uniform design method. The second is to add some special test data into the test set based on the improved uniform design strategy. Experiments show that the improved uniform design strategy with all valid and invalid levels could be used to generate fewer test data than that of other selected strategy, and the test effects are appropriate to that of other strategy.
Keyword: Uniform desgin, Test Data, Pair-wise Testing, Combination Testing Strategy
1. Introduction
The boundary value analysis and equivalence partition method are key technologies for selecting values of input when using specification-based testing methods. If the values are selected, it is naturally for tester to select appropriate combination strategy for designing test data. The Design of Experiment(DOE) technologies could be used to design testing[1]. The earlier works on combination test method were that Mandle applied orthogonal latin square into designing some test in the Ada Compiler Validation Capability (ACVC) test suite[7], and then Tatsumi applied combinatorial table into designing test set[11]. Pair-wise test has characteristics of high fault-detecting efficiency and low test cost, etc. It has already become popular software test method. Comparing to the pair-wise strategy based on two-way parameter interaction, the 1-way combination strategy are paid less attention because of less coverage for parameters’ combination. The uniform design is a special 1-way strategy. It selects levels uniformly from input space and the test is fewer than that of
Bo Yu and Zeliang Pang / Physics Procedia 25 (2012) 1245 – 1252
any pair-wise strategy. The production practice and science experiments show that uniform design strategy is an approach with less experiments and good effects than that of other strategy. The test effects of test data generated based on uniform design method need be investigated, and an improved uniform design method is proposed for improving the test effects. If the number of parameters and values for each parameter are m and n individually, the numbers for each test based on 1-way, 2-way, k-way(k
