The test case prioritization is an effective technique of regression testing.However, the existing techniques mainly focus on the reused test suite, and ignored the supplemental test cases.

• 摘要测试用例优先级技术是一种实用高效的回归测试技术，然而现有各种优先级技术均围绕待复用的测试用例集，忽视了对补充生成测试用例的优先级设定和调整方法的讨论。