Describe the Implications of Testing Visualforce Controllers and Controller Extensions. PLATFORM-DEVELOPER-II Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   In a test, how do you verify that a controller method returns a PageReference to a specific page?

   • ACheck that the method returns a non-null value
   • BUse PageReference.getContent() to retrieve the page's HTML
   • CUse System.runAs() to simulate the page navigation
   • DCall the method and compare the returned PageReference's getUrl() to the expected URL
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2. 17foundation · easy

   Which assertion method is used to verify that a condition is true in an Apex test?

   • ASystem.assert(condition)
   • BSystem.assertNotEquals(condition)
   • CSystem.assertEquals(condition)
   • DSystem.verify(condition)
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4. 18foundation · easy

   What is the role of a controller extension in Visualforce?

   • ATo handle only the view state of the page
   • BTo replace the standard controller entirely
   • CTo add methods and properties to a standard or custom controller
   • DTo provide a user interface for the controller
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5. 19foundation · easy

   What is the purpose of using Test.startTest() and Test.stopTest() in a controller test?

   • ATo mark the beginning and end of the test class definition
   • BTo isolate the code being tested and obtain a fresh set of governor limits
   • CTo commit any pending DML operations before the test runs
   • DTo enable debug logging for the controller under test
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6. 20foundation · easy

   What is the correct way to instantiate a standard Visualforce controller in a test?

   • AUse the new keyword with the controller's class name, e.g., new MyController()
   • BUse PageReference.getController()
   • CUse System.runAs() to instantiate the controller
   • DUse ApexPages.StandardController.getInstance()
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