白盒测试实例分析

D1:C1:现有一程序结构如上图所示，请使用语句覆盖，判定覆盖，条件覆盖，判定/条件覆盖，条件组合覆盖方法对其设计测试用例。x=80andy=80D2x+y=140and(x=90ory=90)x=80C2:C3:x+y=140C4:x=90C5:y=90一、语句覆盖可以直接通过流程图分析得出三个测试用例:序号输入数据预期输出覆盖路径实际输出测试结果xy18080T=1oae27990T=2obce36050T=3obde判定覆盖判定具体情况D1x=80andy=80D2x+y=140and(x=90ory=90)! D1X80 ory80!D2X+y140orx90andy=80x=80T1x=80y=80T2y=140x+y=140T3x+y=90x=90T4x=90y=90T5y=80C2:y=80T1T21T1F22F1T23F1F24C3:x+y=140T3T4T55C4:x=90C5:y=90T3T4F56T3F4T57T3F4F58F3T4F59F3F4T510F3F4F511F3T4T5121序号输入数据预期输出覆盖路径覆盖组合测试结果xy19090T=1oae1210070T=2obc2,6370100T=2obc3,747070T=3obde4,8六、修正判定/条件覆盖条件可能组合编号C1:x=80C2:y=80T1T21T1F22F1T23C3:x+y=140C4:x=90C5:y=90T3T4F56T3F4T57T3F4F58F3T4F59