The application ideas of mutation algorithm to generate test data is presented, and the different mutation operators and the fault classes in the relationship between implicitness are analyzed. Applying this algorithm to the contract-based mutation of components, the validity of test data is improved, and the final test data are simplified. That's overcome inefficiencies of tradi-tional contract for testing components which produces a large number of contract mutants.%介绍基于规约说明的变异算法在测试数据生成中的应用思想,分析不同变异算子与故障类别之间的蕴含关系,把这种算法应用到构件合约变异中,提高了测试数据的有效性,简化了最终测试数据集,克服了传统构件合约变异测试产生大量变异体带来的测试低效性.
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