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Created an attachment (id=158063) [details]
Reduced test case
When the right or left padding or border-width of a parent element is transitioned, the width of an auto-width block child is not correctly transitioned. In the case of transitions of left padding or border-width, the width of the parent is expanded. In the case of transitions of right padding or border-width, the child's width remains unchanged. Only by resizing the width of the browser or interacting with the element in Web Inspector does WebKit suddenly correct the width of the child.
Attached is a reduced test case. The test case works as expected in Firefox 14.0.1 and Opera 12.01 build 1532, but fails in Safari 5.0.5, Safari 6.0, Chrome 21.0.1180.75, Chrome 23.0.1232.0 canary, and WebKit nightly r125269 built on 10 August 2012.
Created an attachment (id=158770) [details]
(From update of attachment 158770 [details])
Attachment 158770 [details] did not pass chromium-ews (chromium-xvfb):
New failing tests:
Created an attachment (id=158777) [details]
Archive of layout-test-results from gce-cr-linux-07
The attached test failures were seen while running run-webkit-tests on the chromium-ews.
Bot: gce-cr-linux-07 Port: <class 'webkitpy.common.config.ports.ChromiumXVFBPort'> Platform: Linux-2.6.39-gcg-201203291735-x86_64-with-Ubuntu-10.04-lucid
Created an attachment (id=158994) [details]
Created an attachment (id=164483) [details]
Created an attachment (id=173167) [details]
(From update of attachment 173167 [details])
Clearing review flag on patches from before 2014. If this patch is still relevant, please reset the r? flag.