于今夕之何夕，唯读书以自省

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开始看这本书：The Art of Unit Testing With Examples in .NET。选择它，两个原因：

1. 单元测试是保证代码质量的基石和安全网。
2. 该书篇幅短小精湛，而且非常实用。非常期待看到Chapter 8中的Tough Questions and Answers，其中有对如下问题的回答。

• How much time will this add to the current process?
• Will my QA job be at risk because of this?
• How do we know this is actually working?
• Is there proof that unit testing helps?
• Why is the QA department still finding bugs?
• We have lots of code without tests: where do we start?
• We work in several languages: is unit testing feasible?
• What if we develop a combination of software and hardware?
• How can we know we don’t have bugs in our tests?
• My debugger shows that my code works: why do I need tests?
• Must we do TDD-style coding?

如果能够顺利回答这些问题，相信unit test的实施就不是问题了。