25.7.1. Explanation

Try these first

1. 1.

   What annotation do we use to mark a test method in JUnit 5?

   Hint

   Think about how we denote what the purpose of the method is.

2. 2.

   What is the purpose of the assertEquals method?

   Hint

   It involves two values we want to compare.

3. 3.

   What does the @Test annotation signify in a JUnit test?

   • Marks a method as a test case
   • Indicates the main application entry point
   • Used for setup code

   Hint

   This annotation is crucial for identifying which methods to run as tests.

4. 4.

   Is it true that the assertEquals method can compare two values?

   • True
   • False

   Hint

   Think about what assertions in tests typically verify.

5. 5.

   Write a comprehensive unit test that covers multiple conditions for a divide method and includes edge cases.

   Hint

   Think about how you handle division by zero in programming.

6. 6.

   Given a class StringManipulator with a method that reverses a string, create a parameterized test to test multiple input strings.

   Hint

   Make sure the reverse method handles multiple strings correctly.