Practice Writing Your First Unit Test With Junit 5 (25.7) - Unit Testing and Debugging (e.g., JUnit)

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What annotation do you use to mark a test method in JUnit?
Show hintHide hint
It's a single-character text that begins with '@'.
Question 2.
What is the purpose of assertEquals?
Show hintHide hint
Think of equality checking.
3Question 3.
What does the @Test annotation do?
- Marks a test class
- Marks a test method
- Marks a helper method
Show hintHide hint
Look at which entity it is marking!
4Question 4.
The method assertEquals checks if _____ .
Show hintHide hint
Consider the meaning of equality in tests.
Question 5.
Create and implement a unit test for a Calculator class that includes methods for multiplication and division. Ensure all tests are comprehensive.
Show hintHide hint
Think about edge cases when writing your tests.
Question 6.
Explain the importance of clear failure messages in unit tests and how they aid in debugging.
Show hintHide hint
Why do you think a developer needs clarity when tests fail?

5 more questions in this section. Enroll free to practise them all.