Software Quality Assurance Practice Exam

What method checks whether a parameter causes a method to return an incorrect Boolean value?

1. assertFalse()

2. main()

3. primeCheck()

4. checkArgs()

The correct answer is: assertFalse()

The method that checks whether a parameter causes a method to return an incorrect Boolean value is assertFalse(). This method is commonly used in unit testing frameworks, such as JUnit, to assert that a given condition is false. When a test is executed, assertFalse() will pass if the expression it evaluates is false, indicating that the method's output is correct for the given parameter. Conversely, if the expression evaluates to true, the assertion fails, suggesting that there is an issue with the method's implementation that needs to be addressed. In the context of testing, using assertFalse() allows developers to validate the behavior of their methods, particularly in scenarios where a specific input should not yield a true result. This makes it an effective tool for catching logical errors and confirming that conditions leading to false outcomes are handled appropriately. The other options do not directly relate to checking Boolean outputs of methods. For instance, the main() method typically serves as an entry point for program execution rather than a testing or validation method. The primeCheck() method suggests a specific implementation related to prime number verification, which may not inherently check for Boolean correctness in the context described. Lastly, checkArgs() implies a focus on argument validation, which may involve checking for valid inputs but does not