... approach.Which brings us to unit testing. As we’ll see, unit testing isimportant to you as a programmer because it provides thefeedback you need. Without unit testing, you may as well bewriting ... misunderstand unit testing, and don’t r eal -ize that it makes our jobs as developers easier. This volumeis available in two different language versions: in Java with JUnit, and in C# with NUnit.Volume ... butthat will be easier to work with for our nefarious unit testing purposes.Fortunately, there’s a testing pattern that can help: mock ob-jects. A mock object i s simply a testing replacement for...