[Webkit-unassigned] [Bug 230366] New: [ BigSur wk2 Release ] 2 fast/canvas/ tests are flaky failing

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 16 12:01:27 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=230366

            Bug ID: 230366
           Summary: [ BigSur wk2 Release ] 2 fast/canvas/ tests are flaky
                    failing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Mac (Intel)
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ayumi_kojima at apple.com
                CC: dino at apple.com

fast/canvas/canvas-blending-text.html
fast/canvas/canvas-composite-text-alpha.html

Are flaky failing on BigSur wk2 Release.

History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=fast%2Fcanvas%2Fcanvas-blending-text.html&test=fast%2Fcanvas%2Fcanvas-composite-text-alpha.html

Diff: 

--- /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/fast/canvas/canvas-blending-text-expected.txt
+++ /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/fast/canvas/canvas-blending-text-actual.txt
@@ -6,136 +6,136 @@
 Running test in non accelerated mode

 Testing blend mode source-over
-PASS actualColor(4, 4)[0] is within 5 of 255
-PASS actualColor(4, 4)[1] is within 5 of 129
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode multiply
 PASS actualColor(4, 4)[0] is within 5 of 129
-PASS actualColor(4, 4)[1] is within 5 of 129
-PASS actualColor(4, 4)[2] is within 5 of 65.25882352941176
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
+FAIL actualColor(4, 4)[2] should be within 5 of 65.25882352941176. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode screen
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 192.74117647058821
+FAIL actualColor(4, 4)[2] should be within 5 of 192.74117647058821. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode overlay
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 130.48235294117646
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode darken
 PASS actualColor(4, 4)[0] is within 5 of 129
-PASS actualColor(4, 4)[1] is within 5 of 129
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode lighten
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode color-dodge
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 255
+FAIL actualColor(4, 4)[2] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode color-burn
 PASS actualColor(4, 4)[0] is within 5 of 129
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 5.930232558139517
+FAIL actualColor(4, 4)[2] should be within 5 of 5.930232558139517. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode hard-light
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 130.48235294117646
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode difference
 PASS actualColor(4, 4)[0] is within 5 of 126
-PASS actualColor(4, 4)[1] is within 5 of 126
-PASS actualColor(4, 4)[2] is within 5 of 0
+FAIL actualColor(4, 4)[1] should be within 5 of 126. Was 255.
+FAIL actualColor(4, 4)[2] should be within 5 of 0. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode exclusion
 PASS actualColor(4, 4)[0] is within 5 of 126
-PASS actualColor(4, 4)[1] is within 5 of 126
+FAIL actualColor(4, 4)[1] should be within 5 of 126. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 127.48235294117649
 PASS actualColor(4, 4)[3] is within 5 of 255

 Running test in hardware accelerated mode

 Testing blend mode source-over
-PASS actualColor(4, 4)[0] is within 5 of 255
-PASS actualColor(4, 4)[1] is within 5 of 129
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode multiply
 PASS actualColor(4, 4)[0] is within 5 of 129
-PASS actualColor(4, 4)[1] is within 5 of 129
-PASS actualColor(4, 4)[2] is within 5 of 65.25882352941176
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
+FAIL actualColor(4, 4)[2] should be within 5 of 65.25882352941176. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode screen
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 192.74117647058821
+FAIL actualColor(4, 4)[2] should be within 5 of 192.74117647058821. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode overlay
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 130.48235294117646
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode darken
 PASS actualColor(4, 4)[0] is within 5 of 129
-PASS actualColor(4, 4)[1] is within 5 of 129
+FAIL actualColor(4, 4)[1] should be within 5 of 129. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode lighten
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 129
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode color-dodge
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 255
+FAIL actualColor(4, 4)[2] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode color-burn
 PASS actualColor(4, 4)[0] is within 5 of 129
 PASS actualColor(4, 4)[1] is within 5 of 255
-PASS actualColor(4, 4)[2] is within 5 of 5.930232558139517
+FAIL actualColor(4, 4)[2] should be within 5 of 5.930232558139517. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode hard-light
-PASS actualColor(4, 4)[0] is within 5 of 255
+FAIL actualColor(4, 4)[0] should be within 5 of 255. Was 129.
 PASS actualColor(4, 4)[1] is within 5 of 255
 PASS actualColor(4, 4)[2] is within 5 of 130.48235294117646
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode difference
 PASS actualColor(4, 4)[0] is within 5 of 126
-PASS actualColor(4, 4)[1] is within 5 of 126
-PASS actualColor(4, 4)[2] is within 5 of 0
+FAIL actualColor(4, 4)[1] should be within 5 of 126. Was 255.
+FAIL actualColor(4, 4)[2] should be within 5 of 0. Was 129.
 PASS actualColor(4, 4)[3] is within 5 of 255

 Testing blend mode exclusion
 PASS actualColor(4, 4)[0] is within 5 of 126
-PASS actualColor(4, 4)[1] is within 5 of 126
+FAIL actualColor(4, 4)[1] should be within 5 of 126. Was 255.
 PASS actualColor(4, 4)[2] is within 5 of 127.48235294117649
 PASS actualColor(4, 4)[3] is within 5 of 255

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