对于.NET，微软 Pex公司这将有望成为主流的.NET 4.0，以及 code合同的。我强烈推荐观看的频道9视频。

For .NET, Microsoft has Pex which will hopefully go mainstream for .NET 4.0, along with Code Contracts. I highly recommend watching the Channel 9 video.

这让我感到这样的事情是非常好非常数据驱动类 - 解析器等，我看不到，我会很经常的开始的使用，但一个有用的工具在你的军械库不过。

It strikes me that this sort of thing is very good for very data-driven classes - parsers etc. I can't see that I'd very often start off with it, but a useful tool to have in your armoury nonetheless.