In test runs,the WorldFirst car was the fifth fastest among Formula Three race cars.

VOA: special.2009.11.03

So it's got an internal procedure,internal function, local to the unit test, that runs the simulation.

它有内部过程，内部函数，它对unit，test来说是有本地环境，来支持股票仿真程序的运行。

麻省理工公开课 - 计算机科学及编程导论课程节选