Test Writing: Last2

Imported By: Geoffrey Challen

/ Version: 2021.5.0

/ Adapted from CodingBat

Given a String, return the count of the number of times that a substring length 2 appears in the string and also as the last 2 chars of the string. So "hixxxhi" yields 1. Don't count the last substring.

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 Java's assert method