Bug 263662

Summary: REGRESSION(iOS17): fast/forms/listbox-bidi-align.html is constantly failing.
Product: WebKit Reporter: Ben Schwartz <ben_schwartz>
Component: FormsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: cdumez, webkit-bot-watchers-bugzilla, webkit-bug-importer, wenson_hsieh
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=262489
https://bugs.webkit.org/show_bug.cgi?id=262829

Description Ben Schwartz 2023-10-25 09:05:08 PDT 
fast/forms/listbox-bidi-align.html

This test is constantly failing on iOS 17.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fforms%2Flistbox-bidi-align.html&platform=ios

TEXT DIFF:

         RenderBR {BR} at (614,0) size 1x19
         RenderText {#text} at (0,20) size 438x19
           text run at (0,20) width 438: "All the items in the following select elements should be left-aligned."
-      RenderTable {TABLE} at (0,40) size 638x52
-        RenderTableSection {TBODY} at (0,0) size 638x52
-          RenderTableRow {TR} at (0,2) size 638x23
+      RenderTable {TABLE} at (0,40) size 666x52
+        RenderTableSection {TBODY} at (0,0) size 666x52
+          RenderTableRow {TR} at (0,2) size 666x23
             RenderTableCell {TD} at (2,2) size 160x23 [r=0 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 158x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 146x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (164,2) size 154x23 [r=0 c=1 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 140x14
+            RenderTableCell {TD} at (164,2) size 168x23 [r=0 c=1 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 166x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 154x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (320,2) size 160x23 [r=0 c=2 rs=1 cs=1]
+            RenderTableCell {TD} at (334,2) size 160x23 [r=0 c=2 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 158x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 146x14
                   RenderText at (146,0) size 0x14
                     text run at (146,0) width 0 RTL: " "
-            RenderTableCell {TD} at (482,2) size 154x23 [r=0 c=3 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 140x14
-                  RenderText at (140,0) size 0x14
-                    text run at (140,0) width 0 RTL: " "
-          RenderTableRow {TR} at (0,27) size 638x23
+            RenderTableCell {TD} at (496,2) size 168x23 [r=0 c=3 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 166x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 154x14
+                  RenderText at (154,0) size 0x14
+                    text run at (154,0) width 0 RTL: " "
+          RenderTableRow {TR} at (0,27) size 666x23
             RenderTableCell {TD} at (2,27) size 160x23 [r=1 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 158x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 146x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (164,27) size 154x23 [r=1 c=1 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 140x14
+            RenderTableCell {TD} at (164,27) size 168x23 [r=1 c=1 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 166x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 154x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
       RenderBlock (anonymous) at (0,92) size 784x20
         RenderText {#text} at (0,0) size 447x19
           text run at (0,0) width 447: "All the items in the following select elements should be right-aligned."
-      RenderTable {TABLE} at (0,112) size 630x52
-        RenderTableSection {TBODY} at (0,0) size 630x52
-          RenderTableRow {TR} at (0,2) size 630x23
+      RenderTable {TABLE} at (0,112) size 652x52
+        RenderTableSection {TBODY} at (0,0) size 652x52
+          RenderTableRow {TR} at (0,2) size 652x23
             RenderTableCell {TD} at (2,2) size 167x23 [r=0 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 165x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 153x14
                   RenderText at (153,0) size 0x14
                     text run at (153,0) width 0 RTL: " "
-            RenderTableCell {TD} at (171,2) size 143x23 [r=0 c=1 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 141x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 129x14
-                  RenderText at (129,0) size 0x14
-                    text run at (129,0) width 0 RTL: " "
-            RenderTableCell {TD} at (316,2) size 167x23 [r=0 c=2 rs=1 cs=1]
+            RenderTableCell {TD} at (171,2) size 154x23 [r=0 c=1 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 140x14
+                  RenderText at (140,0) size 0x14
+                    text run at (140,0) width 0 RTL: " "
+            RenderTableCell {TD} at (327,2) size 167x23 [r=0 c=2 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 165x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 153x14
                   RenderText at (153,0) size 0x14
                     text run at (153,0) width 0 RTL: " "
-            RenderTableCell {TD} at (485,2) size 143x23 [r=0 c=3 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 141x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 129x14
-                  RenderText at (129,0) size 0x14
-                    text run at (129,0) width 0 RTL: " "
-          RenderTableRow {TR} at (0,27) size 630x23
+            RenderTableCell {TD} at (496,2) size 154x23 [r=0 c=3 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 140x14
+                  RenderText at (140,0) size 0x14
+                    text run at (140,0) width 0 RTL: " "
+          RenderTableRow {TR} at (0,27) size 652x23
             RenderTableCell {TD} at (2,27) size 167x23 [r=1 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 165x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 153x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (171,27) size 143x23 [r=1 c=1 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 141x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 129x14
+            RenderTableCell {TD} at (171,27) size 154x23 [r=1 c=1 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 152x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 140x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
       RenderBlock (anonymous) at (0,164) size 784x20
         RenderText {#text} at (0,0) size 456x19
           text run at (0,0) width 456: "All the items in the following select elements should be center-aligned."
-      RenderTable {TABLE} at (0,184) size 668x27
-        RenderTableSection {TBODY} at (0,0) size 668x27
-          RenderTableRow {TR} at (0,2) size 668x23
+      RenderTable {TABLE} at (0,184) size 696x27
+        RenderTableSection {TBODY} at (0,0) size 696x27
+          RenderTableRow {TR} at (0,2) size 696x23
             RenderTableCell {TD} at (2,2) size 177x23 [r=0 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 175x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 163x14
                   RenderText at (163,0) size 0x14
                     text run at (163,0) width 0 RTL: " "
-            RenderTableCell {TD} at (181,2) size 152x23 [r=0 c=1 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 150x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 138x14
-                  RenderText at (138,0) size 0x14
-                    text run at (138,0) width 0 RTL: " "
-            RenderTableCell {TD} at (335,2) size 177x23 [r=0 c=2 rs=1 cs=1]
+            RenderTableCell {TD} at (181,2) size 166x23 [r=0 c=1 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 164x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 152x14
+                  RenderText at (152,0) size 0x14
+                    text run at (152,0) width 0 RTL: " "
+            RenderTableCell {TD} at (349,2) size 177x23 [r=0 c=2 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 175x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 163x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (514,2) size 152x23 [r=0 c=3 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 150x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 138x14
+            RenderTableCell {TD} at (528,2) size 166x23 [r=0 c=3 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 164x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 152x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
       RenderBlock (anonymous) at (0,211) size 784x20
         RenderText {#text} at (0,0) size 296x19
           text run at (0,0) width 296: "The following tables check mixed alignments."
-      RenderTable {TABLE} at (0,231) size 710x27
-        RenderTableSection {TBODY} at (0,0) size 710x27
-          RenderTableRow {TR} at (0,2) size 710x23
+      RenderTable {TABLE} at (0,231) size 744x27
+        RenderTableSection {TBODY} at (0,0) size 744x27
+          RenderTableRow {TR} at (0,2) size 744x23
             RenderTableCell {TD} at (2,2) size 172x23 [r=0 c=0 rs=1 cs=1]
               RenderMenuList {SELECT} at (1,2) size 170x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
                 RenderBlock (anonymous) at (6,3) size 158x14
@@ -122,13 +122,13 @@
                 RenderBlock (anonymous) at (6,3) size 158x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "
-            RenderTableCell {TD} at (350,2) size 178x23 [r=0 c=2 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 176x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 164x14
-                  RenderText at (164,0) size 0x14
-                    text run at (164,0) width 0 RTL: " "
-            RenderTableCell {TD} at (530,2) size 178x23 [r=0 c=3 rs=1 cs=1]
-              RenderMenuList {SELECT} at (1,2) size 176x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
-                RenderBlock (anonymous) at (6,3) size 164x14
+            RenderTableCell {TD} at (350,2) size 195x23 [r=0 c=2 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 193x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 181x14
+                  RenderText at (181,0) size 0x14
+                    text run at (181,0) width 0 RTL: " "
+            RenderTableCell {TD} at (547,2) size 195x23 [r=0 c=3 rs=1 cs=1]
+              RenderMenuList {SELECT} at (1,2) size 193x20 [color=#007AFF] [bgcolor=#E9E9EA] [border: (1px solid #FFFFFF)]
+                RenderBlock (anonymous) at (6,3) size 181x14
                   RenderText at (0,0) size 0x14
                     text run at (0,0) width 0: " "

DIFF URL:

https://build.webkit.org/results/Apple-iOS-17-Simulator-Release-WK2-Tests/269758@main%20(328)/fast/forms/listbox-bidi-align-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this issue on the iOS Simulator (17.0, 21A328/arm64) ToT using the following command:

run-webkit-tests --ios-simulator --clobber-old-results --verbose fast/forms/listbox-bidi-align.html

REGRESSION:

This test has been constantly failing since the bring-up of iOS 17 testers at 268517@main.
Comment 1 Radar WebKit Bug Importer 2023-10-25 09:05:33 PDT 
<rdar://problem/117478129>
Comment 2 EWS 2023-10-25 09:25:38 PDT 
Test gardening commit 269764@main (d199ddf73363): <https://commits.webkit.org/269764@main>

Reviewed commits have been landed. Closing PR #19542 and removing active labels.