JUnit Asserts & Annotations

What is the purpose of JUnit Asserts?

• To slow down the testing process

• To verify the expected behavior of the code being tested.

• To confuse the developers

• To provide entertainment

What annotation is used to indicate that a method is a test method in JUnit?

• @Method

• @Test

• @TestMethod

• @JUnitTest

How can you check if two objects are equal in JUnit?

• assertTrue(expectedObject.equals(actualObject))

• assertEquals(expectedObject, actualObject)

• assertSame(expectedObject, actualObject)

• assertNotEquals(expectedObject, actualObject)

What is the use of @Before annotation in JUnit?

• It is used to run a method before each test method in the class.

• It is used to run a method after each test method in the class.

• It is used to skip a test method in the class.

• It is used to define the order of test methods execution in the class.

Explain the difference between assertEquals and assertSame in JUnit.

• assertEquals is used to compare values, assertSame is used to compare references.

• assertEquals is used for arrays, assertSame is used for objects.

• assertEquals compares references, assertSame compares values.

• assertEquals is used for strings, assertSame is used for integers.

What is the significance of @After annotation in JUnit?

• It is used to define the order of test methods execution in the class.

• It is used to skip a test method in the class.

• It is used to run a method before each test method in the class.

• It is used to run a method after each test method in the class.

How can you ignore a test method in JUnit?

• excludeTest

• @Ignore

• @IgnoreMethod

• skipTest

What is the role of @BeforeClass annotation in JUnit?

• Executes a method after all test methods in the test class

• Executes a method before each test method in the test class

• Executes a method after any test methods in the test class

• Executes a method before any test methods in the test class

What is the purpose of assertNotEquals method in JUnit?

• To check if a value is greater than another

• To compare two objects for equality

• To verify if a value is null

• To check that two values are not equal to each other

How can you test for an expected exception in JUnit?

• Use the assertThrows method in JUnit

• Use the assertException method in JUnit

• Use the verifyException method in JUnit

• Use the expectException method in JUnit