Are unit tests also used to find bugs?

Posted by Draco on Stack Overflow See other posts from Stack Overflow or by Draco
Published on 2010-03-16T15:03:12Z Indexed on 2010/03/16 15:11 UTC
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I was reading the following article and the author made it quite clear that unit tests are NOT used to find bugs. I would like to know what your thoughts are on this. I do know that unit tests makes the design of your application much more robust but isn't it the fact that finding bugs through unit tests that make the application robust, besides its other advantages?

http://blog.stevensanderson.com/2009/08/24/writing-great-unit-tests-best-and-worst-practises/

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