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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 


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


> , 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 

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

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