Bug 212812

Summary:	[GTK] imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.animated.gif.html is a flaky failure since added in r262539
Product:	WebKit	Reporter:	Diego Pino <dpino>
Component:	Canvas	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	dino
Priority:	P2
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Diego Pino 2020-06-05 03:30:04 PDT

imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.animated.gif.html [ Failure ]

The test is failing most of the times, although it passed in one occasion, thus is marked as flaky.

Diff: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r262605%20(13969)/imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.animated.gif-diff.txt

--- /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.animated.gif-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.animated.gif-actual.txt
@@ -4,5 +4,5 @@
 Expected output:
 
 
-PASS createPattern() of an animated GIF draws the first frame 
+FAIL createPattern() of an animated GIF draws the first frame assert_approx_equals: Red channel of the pixel at (25, 25) expected 0 +/- 2 but got 255

Comment 1 Diego Pino 2021-06-04 19:36:43 PDT

This test, or group of tests, has been passing for the last 4000 revisions. Closing bug. Gardened in r278519.