Re: [extremeprogramming] What has changed for you over the past 20 years?

1. Add a test that fails because the bug is there.
2. Make the test green by fixing the bug.
3. Check in.

> On Dec 4, 2019, at 5:58 PM, Steve Gordon <[email protected]> wrote:
> 
> 
> 
> On Wed, Dec 4, 2019 at 5:58 PM Slava Imeshev via Groups.Io <[email protected] <mailto:[email protected]>> wrote:
> Most of times bugs come from under-tested code. Sometimes from edge cases when requirements weren’t clearly understood. New tests must cover missed use cases. TDD works great here.
> 
> 
> Slava,
> 
> How do you use TDD to write new tests for existing code?  How do you go from a discovered bug to knowing what unit tests to write for which objects?  How does TDD apply?
>
> 


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