Category: Refactoring

I just spent two days adding unit tests to an existing code base that had no tests. Well, it did have a few unit tests, but they were turned off many years ago! All of this to fix a bug in code that had not been looked at for over ten years!

Continue reading “Adding Tests to Existing Code: A Cautionary Tale”

This past week I fixed an issue that has been nagging at me for some time. My project has a number of functions that take collections as parameters. Every time a function receives a collection as a parameter, it first checks to see if it is null, and if it is the function will exit right away or throw an exception. Now, this isn’t a huge problem, but it’s one of those irritants that causes bad code to grow.

Continue reading “Null Object Pattern”