函数测试包括函数功能正确性测试和错误调用时返回状态正确性测试。

The testing of functions includes that the function is correct by the function testing and each function can return its error code correctly when it is called incorrectly.

youdao

执行将恰在分配该块以前中断，您可以向回追踪以确定哪个例程执行了错误调用。

Execution will break just before allocating the block, and you can backtrack to determine what routine was responsible for the bad call.

youdao

Web 服务客户机将针对每个请求、响应和错误调用 WS.Handler 对象的各个方法。

The Web services client invokes the methods of the WS.Handler object on every request, response, and error.

youdao

foo You probably weren't calling foo ad nauseam here but segmentation fault refers to segments of memory colliding.

你可能不会倒胃口地调用,但是段错误是涉及内存段冲突。

哈佛公开课 - 计算机科学课程节选

I'm much better having an exception get handled at the time of input than to let that prop -- that value rather propagate through a whole bunch of code until eventually it hits an error 17 calls later, and you have no clue where it came from.

不是我期望的格式,这时我最好有一个异常处理,而不是让其传下去,这个值传到代码的整个分支,最终会导致一个错误17调用的发生，并且你不知道这个错误是哪里来的。

麻省理工公开课 - 计算机科学及编程导论课程节选