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Re: css3 line-break tests

From: Glenn Adams <glenn@skynav.com>
Date: Tue, 22 Jan 2013 09:40:35 -0700
Message-ID: <CACQ=j+efvFHKme=bpzHKw=LGFMjWO3RZbyR5KERO4dMhPA0nVA@mail.gmail.com>
To: "Gérard Talbot" <css21testsuite@gtalbot.org>
Cc: Public CSS Test suite mailing list <public-css-testsuite@w3.org>
On Tue, Jan 22, 2013 at 1:09 AM, "Gérard Talbot" <css21testsuite@gtalbot.org
> wrote:

>
> Le Mar 22 janvier 2013 1:33, Glenn Adams a écrit :
> > On Mon, Jan 21, 2013 at 9:36 PM, "GÊrard Talbot"
> > <css21testsuite@gtalbot.org
> >> wrote:
> >
> >>
> >> Le Lun 21 janvier 2013 21:28, Glenn Adams a Êcrit :
> >> > FYI, I intend to submit a number of tests related to the CSS3
> >> line-break
> >> > property, particularly those that relate to testing the
> >> functionality or
> >> > fixes deriving from:
> >> >
> >> > [1] https://bugs.webkit.org/show_bug.cgi?id=89235
> >> > [2] https://bugs.webkit.org/show_bug.cgi?id=105692
> >> >
> >> > Some preliminary reftests have already been included in [3], but
> >> need to
> >> > be
> >> > finalized and retargeted for the CSS test suite format.
> >> >
> >> > [3]
> >> https://bugs.webkit.org/attachment.cgi?id=172397&action=prettypatch
> >> >
> >> > Regards,
> >> > Glenn
> >>
> >> Glenn,
> >>
> >> I suggest to make single, unique tests and not a test made of 3 single
> >> tests.
> >>
> >> Avoid using the word "box" in the description; for most people, a box
> >> is
> >> a 3-dimension object.
> >>
> >> If you refer to identical rendering, then shape and size of rectangle
> >> should be identical and content of rectangle should be identical.
> >>
> >> From bug report https://bugs.webkit.org/show_bug.cgi?id=105692
> >>
> >> Test:
> >> https://bug-105692-attachments.webkit.org/attachment.cgi?id=180625
> >>
> >> Expected result:
> >> https://bug-105692-attachments.webkit.org/attachment.cgi?id=182513
> >>
> >> is not what I would have understood or expected by 3 identical pairs
> >> of
> >> boxes.
> >>
> >
> > Thanks for that input. Regarding the term 'box', I disagree with you
> > that
> > it should be avoided. The term has a well defined meaning in CSS [1]
> > that
> > is not a 3 dimensional object. We can't very well and go retrofit the
> > fundamental CSS concepts here, I'm sure you'll agree.
> >
> > [1] http://www.w3.org/TR/CSS2/box.html
>
>
> It is a well defined term in CSS. But going through all the tests should
> be doable by anyone: your friend, your mailman, your pastry cook, your
> butcher, your neighbour. Outside CSS, a box is definitely a 3-dimension
> object. Therefore, the pass/fail condition sentence of all tests should
> try to avoid all HTML and CSS related vocabulary and terminology.
>
> "
> That self-describing test instructions are accurate, precise, simple,
> and self-explanatory. Your mother/husband/roommate/brother/bus driver
> should be able to say whether the test passed or failed within a few
> seconds, and not need to spend several minutes thinking or asking
> questions.
> "
> http://wiki.csswg.org/test/css2.1/review-checklist#test-design
>
> There are tests which are saying:
> - "there should be a 100x100 green block": your mother would certainly
> ask "what's a 100x100 block and how can I measure it"? Some people will
> even wonder if there is math multiplication involved here.
> - http://test.csswg.org/suites/css2.1/20110323/html4/c527-font-000.htm
> Your bread baker would certainly ask "What's 13px and how big is it?
> What's Helvetica anyway?"
> - http://test.csswg.org/suites/css2.1/20110323/html4/c531-color-000.htm
> and
> http://test.csswg.org/suites/css2.1/20110323/html4/c532-bgcolor-000.htm
> "what's the meaning of 'line' in your tests?" would probably be asking a
> few of your friends.
> -
>
> http://test.csswg.org/suites/css2.1/20110323/html4/background-image-cover-001.htm
> "What's a 'box' exactly in those tests" would probably be asking others
> - etc.
>
> I personally have neighbour-friends who are retired and never ever used
> a computer and they couldn't understand/figure out some tests.
>
> Ideally, you want the pass/fail conditions sentence to be short, clear
> and understandable by non-web-people.
>

I don't agree with the last part of this assertion. CSS test suites are not
designed for use by the public, and it would be a distortion of established
terminology to adopt layman terms that, by definition, are imprecise.
Received on Tuesday, 22 January 2013 16:41:24 GMT

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