[Webkit-unassigned] [Bug 21491] New: LayoutTests/transitions/opacity-transition-zindex.html is timing sensitive

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21491

           Summary: LayoutTests/transitions/opacity-transition-zindex.html
                    is timing sensitive
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tony at chromium.org
                CC: simon.fraser at apple.com


LayoutTests/transitions/opacity-transition-zindex.html runs a CSS animation
with a duration of 5 seconds.  The test finishes (calls
layoutTestController.notifyDone()) after 2.5 seconds.  This makes it impossible
for there to be a pixel result for the test since dumping the pixel results
happens during the middle of the transition.  On Chromium, we run pixel tests
with every run, so it's not possible for us to pass this test.

Would the test still be valid if we changed it to use
layoutTestController.dumpAsText()?  We could get the z-indexes with some
javascript.

Also, 2.5s for a single layout test seems way too long.


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