[webkit-dev] Adding New Layout Tests

Adam Roben aroben at apple.com
Tue May 29 19:16:03 PDT 2007


On May 29, 2007, at 6:14 PM, David D. Kilzer wrote:

>> 2- Why is the render tree dumps different for each platform?
>
> They should be the same, but invariably differences in fonts (and  
> thus font
> metrics) may cause the pages to be laid out slightly differently.   
> I'm not sure
> if there are any other differences; in "theory", they should be the  
> same for
> all platforms.

    There are other valid reasons why the render tree dumps are  
different from platform to platform. One such reason is that each  
platform implements their own form controls, and the metrics for these  
controls varies from platform to platform.

-Adam



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