ordinal index value

Based on summarizing status of these researches,a method on how to derive test scenarios from the activity diagram of the actor is described that represents use case sequential dependencies and acti.

在总结研究现状的基础上,以应用举例的方式提出一种从描述系统用例间顺序依赖关系的活动图和用例实现的活动图中获取系统功能测试线索的方法。