What Exactly are You Testing, and How?

"What exactly are you testing? How are you testing it?"

I'm
sure that these are amongst the questions that product, business, and
technical managers across the embedded software industry have asked
themselves on several occasions throughout their careers. I know I have.

The
importance of testing embedded software isn't new. In my "youth", I
remember our VP of Product Development circulating a white paper that
discussed the devastating impact resulting from the deployment of an
untested "simple" patch to some switching software and declaring that
"this cannot happen to us".

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