98-379 Question #93: Real Exam Question with Answer & Explanation

You are writing tests for an application that tracks model rocket launches. The application includes a function named Velocity that calculates the velocity of a launch, as shown in the following code. (Line numbers are included for reference only.) You need to test that the Velocity function: - Throws an exception if the launch is null - Returns epsilon if the time is below the measurement threshold - Returns zero if the launch did not result in any movement - Returns the velocity as distance divided by total seconds Which type of tests must you write?