Test Writing: Middle Two

Imported By: Geoffrey Challen

/ Version: 2021.6.0

/ Adapted from CodingBat

Given a String of even length, return a String made of the middle two characters. So the string "string" yields "ri". The string length will be at least 2.

Test Design Challenge

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

• Provide a 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