单选题 Which is not a concept of White-Box Testing?(    )
   A.You should execute all loops at their boundary conditions
   B.You should execute all interface at their boundary conditions
   C.You should execute all logical decisions on their true and false sides
   D.You should execute all independent paths within a module at least once
【正确答案】 B
【答案解析】软件人员使用白盒测试方法,主要是对程序模块进行如下的检查:
   (1)对程序模块的所有独立的执行路径至少测试一次。
   (2)对所有的逻辑判定,取“真”与取“假”的两种情况都能至少测试一次。
   (3)在循环的边界和运行界限内执行循环体。
   (4)测试内部数据结构的有效性等。