Describe How to Write Unit Tests for Triggers, Controllers, and Classes. PLATFORM-DEVELOPER-I Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   What is the primary purpose of a unit test for an Apex class method?

   • ATo call the method with appropriate inputs and verify the expected return value or state change
   • BTo compile the class and ensure there are no syntax errors
   • CTo document the method's usage for other developers
   • DTo deploy the class to production
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2. 17foundation · easy

   When writing a unit test for a custom controller, what is the first step after setting up test data?

   • ACall a method on the controller and assert the result
   • BQuery the controller's page reference
   • CAssert that the controller is null
   • DInstantiate the controller using its constructor
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4. 18foundation · easy

   What happens when a System.assertEquals assertion fails in a unit test?

   • AThe test is automatically retried
   • BThe test passes but with reduced code coverage
   • CThe test method stops executing and is marked as failed
   • DThe test continues but logs a warning
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5. 19foundation · easy

   Which type of code must be covered by unit tests to meet deployment requirements?

   • AOnly triggers
   • BOnly controllers
   • CAll Apex classes and triggers
   • DOnly classes with @testSetup methods
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6. 20foundation · easy

   Which assertion method would a developer use to verify that a Boolean condition is true?

   • ASystem.debug(condition);
   • BSystem.assertEquals(true, false);
   • CSystem.assertNotEquals(condition, true);
   • DSystem.assert(condition);
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