Unit Testing and Debugging

It doesn't really matter which programming language you are using or what type of application you are developing, it is always important to thoroughly test it before delivering it to the customer.

Writing tests is not a new thing and as of today, you can find hundreds or even thousands of tests in almost every software project. Nowadays writing tests for software is a must and delivering a piece of code or feature without having it tested properly is strongly discouraged. That's why we have a dedicated chapter to talk about testing software written in C, and various libraries that exist today for this purpose.

Testing is not the only topic in this chapter, however. We will also be discussing the debugging tools and techniques that can be used to troubleshoot a C program. Testing and debugging have complimented one another from the start, and whenever a test fails, a series of investigations are followed and debugging the target code is a...