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Testing longdesc...

From: Charles McCathie Nevile <chaals@yandex-team.ru>
Date: Tue, 13 Aug 2013 18:09:50 +0400
To: "public-html-a11y@w3.org" <public-html-a11y@w3.org>
Message-ID: <op.w1rzuozsy3oazb@dhcp235-171-red.yandex.net>

I wrote up some tests that I propose we consider for the longdesc spec.  
They are basically manual tests.

Most of them are different combinations of longdesc types - internal  
"hash" reference, external url, data url, URL surrounded by whitespace -  
in different conditions - missing image, image is a data url, there is a  
base element, and so on.

These can each be used to test 3 different requirements: whether the long  
description is available to a user, whether it is exposed to an  
accessibilty API if the user agent connects to one, and whether the user  
can discover that a long description is available.

There are a couple of others I added to test specific things like what  
happens when the longdesc URL is changed by a script.

There is probably something missing, and there may be errors in, or  
improvements to be made to the tests I propose.

They are on github so you can propose changes as pull requests, if you're  
a github wiz - or by email if you like. We need a process for formally  
agreeing to adopt any test we want to use, and these are just personal  
input into that process...

[1] http://github.com/chaals/longdesc-tests

Charles McCathie Nevile - Consultant (web standards) CTO Office, Yandex
       chaals@yandex-team.ru         Find more at http://yandex.com
Received on Tuesday, 13 August 2013 22:12:11 UTC

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