An assertion is the primary form of testing available in assertivedocs, and they take the form of
<list,of,arguments>=><expected_output>.
In Tutorial 2.1, you will learn how to create a basic assertion in your documentation.
Tutorial 2.2 covers how to specify the type of your arguments and the expected output.
Finally, Tutorial 2.3 teaches you how to use the undefined,
null, and NaN values in your arguments and expected outputs.