第2章 白盒测试及其用例的设计

1、A Free sample background from Slide 1 A Free sample background from Slide 2 A Free sample background from Slide 3 A Free sample background from Slide 4 A Free sample background from Slide 5 A Free sample background from Slide 6 A Free sample background from Slide 7 顺序结构IF选择结构WHILE重复结构UNTIL重复结构CASE多分

2、支结构 其中，包含条件的节点被称为判定节点判定节点（也叫谓词节点）， 由边和节点所限定的范围被称为区域区域。 控制流图必须从节点出发，且终止于某个节点；节点用数字控制流图必须从节点出发，且终止于某个节点；节点用数字 标识，边用字母标识。标识，边用字母标识。 A Free sample background from Slide 8 A Free sample background from Slide 11 A Free sample background from Slide 12 A Free sample background from Slide 13 A Free sample ba

3、ckground from Slide 14 结点 1234 1a 2b 3c 4d A Free sample background from Slide 16 A Free sample background from Slide 17 A Free sample background from Slide 18 A Free sample background from Slide 19 A Free sample background from Slide 20 A Free sample background from Slide 21 A Free sample backgroun

4、d from Slide 22 组合覆盖 判定/条件覆盖 判定覆盖条件覆盖 语句覆盖 A Free sample background from Slide 23 A Free sample background from Slide 24 x3 & z5 执行语句块执行语句块3 F F T T a b d c e A Free sample background from Slide 25 A Free sample background from Slide 26 A Free sample background from Slide 27 1 6 3 5 2 7 8 9 4 10 A F

5、ree sample background from Slide 28 A Free sample background from Slide 29 A Free sample background from Slide 30 A Free sample background from Slide 31 A Free sample background from Slide 32 A Free sample background from Slide 33 A Free sample background from Slide 34 上面这组测试用例覆盖了所有8种条件取值的组合， 覆盖了所有判

6、定的真假分支，但是却丢失了一条路径abe。 A Free sample background from Slide 35 A Free sample background from Slide 36 A Free sample background from Slide 37 A Free sample background from Slide 38 A Free sample background from Slide 39 A Free sample background from Slide 40 A Free sample background from Slide 41 A Fre

7、e sample background from Slide 42 A Free sample background from Slide 43 A Free sample background from Slide 44 A Free sample background from Slide 45 A Free sample background from Slide 46 A Free sample background from Slide 47 A Free sample background from Slide 48 A Free sample background from Slide 49 A Free sample background from Slide 50 A Free sample background from Slide 51 A Free sample background from Slide 52 A Free sample background from Slide 5