[Webkit-unassigned] [Bug 77541] SVG pixel tests can't catch regressions anymore

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77541





--- Comment #2 from James Robinson <jamesr at chromium.org>  2012-02-03 11:05:19 PST ---
Could you describe what exactly you are trying to test with these? The pixel tests I'm familiar with in WebKit do one of two things:

1.) Test that we render a given document correctly. This is done by setting up the document and then letting the test end. The -expected.png is just the final rendering of the page

2.) Test that after rendering a given document A, we correctly repaint + render the document B which is A with some mutations applied. This is done by setting up document A, calling layoutTestController.display(), then mutating the document to state B and letting the test end.

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