Test Writing: Bracket an Anonymous Class

Created By: Geoffrey Challen

/ Version: 2020.10.0

Declare a method create. create takes a single Int parameter and returns an anonymous object that implements the Bracket interface:

The returned object should implement top so that it returns the passed Int and bottom so that it returns the passed Int * -1. So, for example:

Test Design Challenge

You're challenge is to write tests for this problem described above.

• Provide a public class named TestBracketer with a single non-private class method named test that accepts no arguments and does not return a value.
• If the implementation of the class described above is incorrect, your test method should throw an exception.
• If it is correct, do not throw an exception.
• You may want to use Kotlin's assert or check methods