When you're writing test suites for your code, it can be very useful to use a tool to analyze the code coverage of your tests. While people can get a little obsessive about coverage percents, there's certainly no denying that it's helpful to know how much of your code is actually run when testing, and also being able to look down into the specifics of what is covered.
This is a companion discussion topic for the original entry at https://frostillic.us/blog/posts/2024/3/11/adding-code-coverage-reports-to-domino-container-run-tests