Re: FW: In a quick glance, all of the whitespace test file are invalid tests that don't prove anything from fantasai on 2010-03-03 (public-css-testsuite@w3.org from March 2010)

From: fantasai <fantasai.lists@inkedblade.net>
Date: Tue, 02 Mar 2010 20:22:25 -0800
To: Arron Eicholz <Arron.Eicholz@microsoft.com>
CC: "css21testsuite@gtalbot.org" <css21testsuite@gtalbot.org>, Melissa Newman <melissa@newmanfamily.org>, "public-css-testsuite@w3.org" <public-css-testsuite@w3.org>
Message-ID: <4B8DE401.8000801@inkedblade.net>

On 03/02/2010 09:23 AM, Arron Eicholz wrote:
> Rulers are a great idea but you forget a couple major issues with using images.
> Zooming and HighDPI. These two features do not have any guidelines on how
> they should react on images. Are they required to scale the images? I say
> yes but that then can possibly change image rendering a 1px line into 2px
> or more. That is problematic. Using rulers restricts us from testing zooming
> and HighDPI scenarios with the same tests that we have already created.

The CSS2.1 spec requires that each image pixel be rendered at 1px.

That said, if a test can be written just as well without involving
a bitmap image, then it's better to write it without one.

~fantasai

Received on Wednesday, 3 March 2010 04:23:08 UTC