Chapter 9, Problem 4E

Program Plan Intro

Program Plan:

• Define a class SalesItemTest to test the required method.
• Define a default constructor.
• Define two methods setUp() method that runs before every test invocation and tearDown() method that runs after every test method.
• Define a test method testCommentDuplicateAuthor() used to test the comments added.

Program Description:

Test to handle the scenario, when the user tries to add a comment with an author for whom a comment already exists.