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From Dave Newton <davelnew...@gmail.com>
Subject Re: OFF TOPIC: Introduction
Date Tue, 03 Dec 2019 16:31:17 GMT
On Tue, Dec 3, 2019 at 9:43 AM Zahid Rahman <zahidr1000@gmail.com> wrote:

> If the developer  tests his own code then there is a danger that he will
> pass his misunderstanding of specification.
>

Correct.


> Anyway in the safety critical environments the one who wrote the code does
> not do the testing.
>

That's simply not the case across the board: there are multiple tiers of
testing, and the onus is on the developer to do the initial testing.

For example, when I was writing pacemakers--you better believe we tested
the *crap* out of our code. Were we the *only* ones testing? Of course not;
there were *many* levels of testing--but it *started* with us.


> Tests are also done on hardware electrical rigs ,  simulating feed to
> sensors.
>

Yep. And when I was writing fuel pump controllers not only did *I* have a
set of tests, so did the hardware guys, so did the combination of HW/SW
guys, so did the verification group, so did whoever gave us our
certification, etc.

It's not entirely clear to me what your point is, or if you're just arguing
for the sake of arguing.

Testing is, by necessity, the responsibility of everyone involved in the
project, which includes the developer.

d.

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