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How We Test Software at Microsoft® by Alan Page, Ken Johnston, and Bj Rollison

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Chapter 8. Model-Based Testing

Alan Page

When Boeing designs a new jet such as the 787 Dreamliner, they model the airplane in software, where they run millions of simulations to understand how the shape of the fuselage, weight of the components, position of the cockpit, and numerous other variables affect lift and fuel efficiency.

When I first learned how to drive a car with a stick shift, I was horrible. For some reason, I just couldn’t get the timing right between releasing the clutch and pressing the gas. Finally, someone drew a diagram for me, showing me what happened when I pressed the clutch in, and how giving the car gas interacted with the process. Amazingly, once I visualized the system, I didn’t have a problem with the manual transmission ...

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