JUnit Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to JUnit Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Which of the following is correct about automated testing?

A - Automation tests perform precisely same operation each time they are run.

B - Testers can program sophisticated tests to bring out hidden information.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Automation tests perform precisely same operation each time they are run. Testers can program sophisticated tests to bring out hidden information.

Q 2 - When should Unit Tests be written in Development Cycle?

A - Unit Tests are to be written before the code during development in order to help coders write the best code.

B - Unit Tests are written after the code during development in order to help coders test the code.

C - Both of the above.

D - None of the above.

Answer : A

Explanation

Unit Tests are to be written before the code during development in order to help coders write the best code.

Q 3 - Which of the following annotation tells JUnit that the public void method to which it is attached can be run as a test case?

Answer : A

Explanation

The @Test annotation tells JUnit that the public void method to which it is attached can be run as a test case.

Q 4 - Which of the following method of Assert class checks if two object references are not pointing to the same object?

A - void assert(Object expected, Object actual,boolean isSame)

B - void assertCheck(Object expected, Object actual,boolean isSame)

C - void assertNotSame(Object expected, Object actual)

D - void assertChecks(Object expected, Object actual,boolean isSame)

Answer : C

Explanation

void assertNotSame(Object expected, Object actual) checks if two object references are not pointing to the same object.

Q 5 - Which of the following method of TestCase class runs the test case and collects the results in TestResult?

A - void runTestCase (TestResult result)

B - void runTest (TestResult result)

C - void runTestAndSave (TestResult result)

D - void run (TestResult result)

Answer : D

Explanation

void run (TestResult result) method runs the test case and collects the results in TestResult.

Q 6 - Which of the following method of TestResult class marks that the test run should stop?

A - void stopTest()

B - void stop()

C - void stopTest(Test test)

D - void breakTest(Test test)

Answer : B

Explanation

void stop() method marks that the test run should stop.

Q 7 - Annotating a public void method with @BeforeClass causes that method to be run before each Test method.

A - false

B - true

Answer : A

Explanation

Annotating a public static void method with @BeforeClass causes it to be run once before any of the test methods in the class.

Q 8 - Annotating a public void method with @AfterClass causes that method to be run after each Test method.

A - false

B - true

Answer : A

Explanation

@AfterClass will perform the method after all tests have finished. This can be used to perform clean-up activities.

Q 9 - JUnit provides Assertions for testing expected results.

A - true

B - false

Answer : A

Explanation

JUnit provides Assertions for testing expected results.

Q 10 - Unit Tests are to be written before the code during development in order to help coders write the best code.

A - true

B - false

Answer : A

Explanation

Unit Tests are to be written before the code during development in order to help coders write the best code.

junit_questions_answers.htm