The confusion about the term Unit Testing

Virtually everyone claims to be doing Unit Testing, but there is a surprising amount of disagreement as to how unit testing is defined. Let us see what the authorities on the subject have to say about it. What follows is mainly quotations from reputable sources, with some minimal commentary by me.

On Moore's Law

It is not a law.

It never was a law.

An observation is all that it ever was, or a prediction, but not a law.

And surprise, it does not hold true anymore.