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Re: dependencies in tests

From: Gérard Talbot <css21testsuite@gtalbot.org>
Date: Wed, 17 Jun 2015 16:24:25 -0400
To: Florian Rivoal <florian@rivoal.net>
Cc: Public CSS Test suite mailing list <public-css-testsuite@w3.org>
Message-ID: <a17ab27fc3e03d84d3bb033e0589eede@gtalbot.org>
Le 2015-06-17 02:41, Florian Rivoal a écrit :
>> If the user agent does not support vertical writing-mode, then the 
>> test must fail.
> 
> Why? I am writing a test for the css3-ui test suite. css3-ui has a
> provision for what to do if vertical text is supported (which is what
> I am trying to test), but it does not require vertical text to be
> supported.

css3-ui does not require vertical text to be supported: that's correct.

But then...

For 'cursor: text', "User agents may automatically display a horizontal 
I-beam/cursor (e.g. same as the vertical-text keyword) for vertical 
text"

http://www.w3.org/TR/2015/WD-css3-ui-20150519/#cursor

How do you define 'vertical text' in that sentence?

How is it possible to have vertical text while, at the same time, not 
being able to support vertical 'writing-mode'?

Isn't 'vertical text' in that sentence implicitly assuming that a 
vertical writing-mode has to be supported?


> 
> Not supporting vertical text should not affect conformance with
> css3-ui

Agreed.

> , which is what my test is trying to assess.
> 
>> If the user agent supports vertical writing-mode but does not support 
>> a vertical text cursor, then the test must fail.
> 
> Sure.
> 
>> It will be up to the manufacturer of such user agent or rendering 
>> engine to establish or to untangle the reason of the test failure by 
>> their user agent or rendering engine.
> 
> I don't think it is helpful to make a UA fail the test suite of
> css3-ui because they don't support something that is not required by
> css3-ui.
> 
>  - Florian

That's why there is a "may" in that sentence. Failing that test will not 
make the UA fail the required tests for conformance to css3-ui. My 
understanding.

Gérard
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Received on Wednesday, 17 June 2015 20:24:57 UTC

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