Test Writing: Double X

Imported By: Geoffrey Challen

/ Version: 2021.4.0

/ Adapted from CodingBat

Given a String, return true if the first instance of "x" in the string is immediately followed by another "x".

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