And that's because it's easier to test small things than big things. And it's easier to debug small things than big things.

这是因为对小一点的对象,进行测试比对大一点的对象进行测,试要简单多了，调试也是如此。

麻省理工公开课 - 计算机科学及编程导论课程节选

A test suite is small enough so that we can test it in a reasonable amount of time.

测试集必须小到我们可以在一个,合理的时间内完成他，但是必须大到。

麻省理工公开课 - 计算机科学及编程导论课程节选