Welcome to Duncan White's Practical Software Development (PSD) Pages.

I'm Duncan White, an experienced and professional programmer, and have been programming for well over 20 years, mainly in C and Perl, although I know many other languages. In that time, despite my best intentions:-), I just can't help learning a thing or two about the practical matters of designing, programming, testing, debugging, running projects etc. Back in 2007, I thought I'd start writing an occasional series of articles, book reviews, more general thoughts etc, all focussing on software development without all the guff.

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Testing and Development part 2

Worked Example of TDD - the Stack

Developing the Stack module the TDD Way

TDD Phase I: The Stub Stack

TDD Phase II: Choose stack type and make test1 pass!

TDD Phase III: Get Test2 Working

Phew! Let's take stock!

We've now developed a stack module that can successively pass our first two test cases (test1 and test2). Test2 ends up having pushed a single integer onto a stack, leaving a non-empty depth 1 stack whose top value was the value we pushed.

In the Third Part of this article, we'll introduce more test cases and get them working via TDD.


d.white@imperial.ac.uk
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Written: March-June 2013