Bug 184459 - Layout Test legacy-animation-engine/animations/animation-callback-timestamp.html is a flaky failure
Summary: Layout Test legacy-animation-engine/animations/animation-callback-timestamp.h...
Status: RESOLVED CONFIGURATION CHANGED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Animations (show other bugs)
Version: Other
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2018-04-10 10:31 PDT by Ryan Haddad
Modified: 2020-03-09 13:00 PDT (History)
4 users (show)

See Also:


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Description Ryan Haddad 2018-04-10 10:31:08 PDT
The following layout test is failing on macOS

legacy-animation-engine/animations/animation-callback-timestamp.html

Probable cause:

This test was added in https://trac.webkit.org/changeset/230471/webkit

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=legacy-animation-engine%2Fanimations%2Fanimation-callback-timestamp.html

--- /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/legacy-animation-engine/animations/animation-callback-timestamp-expected.txt
+++ /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/legacy-animation-engine/animations/animation-callback-timestamp-actual.txt
@@ -1,4 +1,6 @@
-PASS All the differences between requestAnimationFrame() callback timestamps and Performance.now() were within 3ms.
+requestAnimationFrame() timestamp = 235.00000000000003, window.performance.now() = 238.00000000000003
+requestAnimationFrame() timestamp = 486, window.performance.now() = 489
+FAIL Some of the requestAnimationFrame() callback timestamps were larger than Performance.now() by more than 3ms.
 PASS successfullyParsed is true
 
 TEST COMPLETE
Comment 1 Ryan Haddad 2018-04-10 16:42:32 PDT
Marked test as flaky in https://trac.webkit.org/changeset/230503/webkit
Comment 2 Antoine Quint 2020-03-09 12:59:21 PDT
This test is gone as of r258150, see bug 208815.
Comment 3 Radar WebKit Bug Importer 2020-03-09 13:00:18 PDT
<rdar://problem/60238178>