Re: c++ class design: where to put debug purpose utility class?

James Kanze <>
Mon, 30 Jun 2008 14:19:48 -0700 (PDT)
On Jun 30, 9:13 pm, Ian Collins <> wrote:

James Kanze wrote:

On Jun 30, 1:21 pm, Ian Collins <> wrote:

James Kanze wrote:

On Jun 30, 9:35 am, Ian Collins <> wrote:

James Kanze wrote:


Where we
disagree is that you seem to consider the unit tests a form of
being "written down", whereas I consider them code, just like
the rest---I don't know how to write a unit test until I have
some idea what is to be tested, i.e. what the unit shoud do.
And IMHO, I don't know that until it is written down.

Not really, the written down will be some form of
requirement, be that a clause in a traditional requirements
specification, or an XP style user story. Given a
requirement, my view of TDD is that it's another form of
functional decomposition. You know what your end gaol is,
you know the steps to take you there and you follow them.
The smaller those steps, the better.

(I presume you mean "your end goal", but it's an interesting
Freudian slip:-).

It was wasn't it :)

Except that you're probably American, and
would have written jail, and not gaol.)

Hey, no need for insults! I'd have thought my spelling and
timezone would be enough of a hint.

I didn't mean it as an insult; I'm American myself (originally,
at any rate). Living where I do, however, I see enough of both
spellings that I don't actually notice which is being used (and
a lot of British programmers write "program", rather than
"programme" for a computer program). The above comment was
meant more as a hint, since I'm not sure how many Americans
would recognize gaol otherwise.

I'll address the rest of the post later today when I've dug up
some unencumbered examples.

I know the problem. You write code to get the job done, not to
bring evidence for a certain point. Which means that most of
the real examples are buried in a lot of stuff that has nothing
to do with the immediate point.

I find it just as difficult to present simple examples which
show my own style.

James Kanze (GABI Software)
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