There are some good reasons that test-driven development isn’t as widely used as it is discussed.

Note that this article assumes you are familiar with GUI design and development and functional testing methodology. You need not be familiar with test-driven development to follow the examples.

In Part 1 of this column, I defined test-driven development (TDD), why it's important, why it's a successful development methodology, and the basics of how to implement TDD using the unit testing ...