测试用例设计方法的介绍—因果图 前言 为什么需要测试用例 ......................................................................................... 2 1 . 测试用例设计的方法分类 .................................................................................... 2 1 .1 . 黑盒测试 ......................................................................................................... 2 1 .2 . 白盒测试 ......................................................................................................... 2 1 .3 . 灰盒测试 ......................................................................................................... 3 2 . 因果图的具体介绍 ................................................................................................ 3 2 .1 . 为什么么需要因果图 ..................................................................................... 3 2 .2 . 因果图概念介绍 ............................................................................................. 4 2 .2 .1 . 布尔逻辑运算符 ...................................................................................... 4 2 .2 .2 . 因果图的约束关系表示法 ...................................................................... 6 2 .3 . 使用因果图设计测试用例的步骤 ................................................................. 8 2 .3 .1 . 分析需求 .................................................................................................. 8 2 .3 .2 . 确定原因和结果 ...................................................................................... 8 2 .3 .3 . 确定逻辑关系 .......................................................................................... 8 2 .3 .4 . 确定约束关系 .......................................................................................... 8 2 .3 .5 . 把因果图转换为决策表 .......................................................................... 8 2 .3 .6 . ...
