6 Examining a program to see if it does not do what it is supposed to do is only half the battle; the other half is seeing whether the program does what it is not supposed to do.
6 Examining a program to see if it does not do what it is supposed to do is only half the battle; the other half is seeing whether the program does what it is not supposed to do.
检查一个程序看看它是否没有满足它设想要做的仅仅是完成任务的一半，另一半是看看它是否已经做了不期望要做的。