Chapter 1. Your First Unit Tests
When the iPhone platform was first introduced, applications were small and focused on one feature. It was easy to make money with an app that only did one thing (for example, a flash light app that only showed a white screen). The code for these apps only had a few hundred lines and could easily be tested by tapping the screen for a few minutes.
Since then, the App Store has changed a lot. Even now, there are small apps with a clear focus in the App Store, but it's much harder to make money from them. A common app is complicated and feature-rich but still needs to be easy to use. There are companies with several developers per platform working on one app all the time. These apps sometimes have a feature set, which ...
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