Bug 270092 – REGRESSION (275274@main): [ Sonoma+ wk2 ] Multiple pdf/ tests are constant failures

• Component: New Bugs
• Status: NEW

[Jay Stfleur]

Description:
Multiple compositing/plugins/pdf/pdf

are constant text failures


History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=compositing%2Fplugins%2Fpdf%2Fpdf-in-embed.html&test=compositing%2Fplugins%2Fpdf%2Fpdf-in-styled-embed.html&test=compositing%2Fplugins%2Fpdf%2Fpdf-scrolling-tree-dynamic.html&test=compositing%2Fplugins%2Fpdf%2Fpdf-scrolling-tree.html

Diff/Image Diff/Crash Log:
compositing/plugins/pdf/pdf-scrolling-tree-dynamic.html 
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/275318@main%20(2386)/compositing/plugins/pdf/pdf-scrolling-tree-dynamic-diff.txt

compositing/plugins/pdf/pdf-scrolling-tree.html
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/275318@main%20(2386)/compositing/plugins/pdf/pdf-scrolling-tree-diff.txt

--- /Volumes/Data/worker/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/build/layout-test-results/compositing/plugins/pdf/pdf-scrolling-tree-dynamic-expected.txt
+++ /Volumes/Data/worker/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/build/layout-test-results/compositing/plugins/pdf/pdf-scrolling-tree-dynamic-actual.txt
@@ -32,9 +32,23 @@
   (layout viewport at (0,0) size 800x600)
   (min layout viewport origin (0,0))
   (max layout viewport origin (0,0))
-  (synchronous event dispatch region for event wheel
-    at (8,23) size 300x250)
   (behavior for fixed 1)

compositing/plugins/pdf/pdf-in-embed.html 
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/275318@main%20(2386)/compositing/plugins/pdf/pdf-in-embed-diff.txt

compositing/plugins/pdf/pdf-in-styled-embed.html
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/275318@main%20(2386)/compositing/plugins/pdf/pdf-in-styled-embed-diff.txt

--- /Volumes/Data/worker/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/build/layout-test-results/compositing/plugins/pdf/pdf-in-embed-expected.txt
+++ /Volumes/Data/worker/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/build/layout-test-results/compositing/plugins/pdf/pdf-in-embed-actual.txt
@@ -10,6 +10,54 @@
         (GraphicsLayer
           (position 8.00 8.00)
           (bounds 300.00 300.00)
+          (children 1
+            (GraphicsLayer
+              (anchor 0.00 0.00)
+              (bounds 300.00 300.00)
+              (backgroundColor #808080)
+              (children 2
+                (GraphicsLayer
+                  (anchor 0.00 0.00)
+                  (bounds 300.00 300.00)
+                  (children 1
+                    (GraphicsLayer
+                      (anchor 0.00 0.00)
+                      (children 2
+                        (GraphicsLayer
+                          (anchor 0.00 0.00)
+                          (transform [1.00 0.00 0.00 0.00] [0.00 1.00 0.00 0.00] [0.00 0.00 1.00 0.00] [7.00 2.00 0.00 1.00])
+                          (children 1
+                            (GraphicsLayer
+                              (position 15.27 20.36)
+                              (anchor 0.00 0.00)
+                              (bounds 254.46 254.46)
+                              (children 1
+                                (GraphicsLayer
+                                  (anchor 0.00 0.00)
+                                  (bounds 254.46 254.46)
+                                  (backgroundColor #FFFFFF)
+                                )
+                              )
+                            )
+                          )
+                        )
+                        (GraphicsLayer
+                          (anchor 0.00 0.00)
+                          (bounds 285.00 296.00)
+                          (drawsContent 1)
+                          (transform [1.00 0.00 0.00 0.00] [0.00 1.00 0.00 0.00] [0.00 0.00 1.00 0.00] [7.00 2.00 0.00 1.00])
+                        )
+                      )
+                    )
+                  )
+                )
+                (GraphicsLayer
+                  (anchor 0.00 0.00)
+                  (bounds 300.00 300.00)
+                )
+              )
+            )
+          )
         )
       )
     )

[Radar WebKit Bug Importer]

<rdar://problem/123634997>

[Jay Stfleur]

Reproducibility:
run-webkit-tests --root compositing/plugins/pdf/pdf-in-embed.html  --iterations 5

All 4 test failures were reproduced at ToT on Sonoma

[Sammy Gill]

Pull request: https://github.com/WebKit/WebKit/pull/29653

[Sammy Gill]

Pull request: https://github.com/WebKit/WebKit/pull/38859

[Abrar Rahman Protyasha]

For what it's worth, these tests are now:

```
pdf/pdf-in-embed.html
pdf/pdf-in-styled-embed.html
pdf/pdf-scrolling-tree-dynamic.html
pdf/pdf-scrolling-tree.html
```