[Webkit-unassigned] [Bug 232745] New: REGRESSION(r282490 r282383) [WPE] fast/animation/request-animation-frame-throttling-lowPowerMode.html is timing out

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=232745

            Bug ID: 232745
           Summary: REGRESSION(r282490 r282383) [WPE]
                    fast/animation/request-animation-frame-throttling-lowP
                    owerMode.html is timing out
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WPE WebKit
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com
                CC: bugs-noreply at webkitgtk.org

fast/animation/request-animation-frame-throttling-lowPowerMode.html

It was passing before r282383, after which it started failing. And after r282490, it's always timing out. The frame rate setting is correctly halved to 30 (calculated by AnimationFrameRate.cpp), but somehow the second requestAnimationFrame callback is called only after the test times out.

Diff of the failure before r282490:

--- /home/lauro/dev/WebKit/layout-test-results/fast/animation/request-animation-frame-throttling-lowPowerMode-expected.txt
+++ /home/lauro/dev/WebKit/layout-test-results/fast/animation/request-animation-frame-throttling-lowPowerMode-actual.txt
@@ -1,9 +1,10 @@
+ALERT: actual framesPerSecond 61
 Test that requestAnimationFrame gets throttled in low power mode.

 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


-PASS framesPerSecond < 36 is true
+FAIL framesPerSecond < 36 should be true. Was false.
 PASS successfullyParsed is true

 TEST COMPLETE

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