Data-Driven Testing — quiz

You have a login test that must run with five sets of username/password credentials. You want TestNG to report each set as a separate test result. Which approach is correct?

• Use a for loop inside the @Test method to iterate over a hardcoded credentials array
• Create a @DataProvider that returns Object[][] with one row per credential set and annotate the @Test method with dataProvider = "<name>" — TestNG invokes the test once per row and reports each invocation separately
• Duplicate the @Test method five times with different method names
• Use @Parameters in testng.xml with five separate <parameter> entries