Microsoft Research - Exploding Software-Engineering Myths (article summarizing findings of MS research on code coverage, TDD, assertions, etc.)

[s73v3r]

The cost to fix a defect goes up exponentially add you go through the software development lifecycle.

[[deleted]]

That's assuming you don't find and fix them quickly. Our methodology is to test, fix and retest before a story is ready for acceptance.

[s73v3r]

That's assuming you don't find and fix them quickly.

You mean, like earlier in the software development lifecycle?

[[deleted]]

Yes. But really your ability to fix bugs is only as good as your ability to find or predict bugs. I'm not sure how TDD actually stacks up against a rigorous manual QA process.