[Webkit-unassigned] [Bug 217255] New: REGRESSION(r267887): [ macOS iOS ] fast/css/getComputedStyle/computed-style-without-renderer.html and imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html are constant failures

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217255

            Bug ID: 217255
           Summary: REGRESSION(r267887): [ macOS iOS ]
                    fast/css/getComputedStyle/computed-style-without-rende
                    rer.html and
                    imported/w3c/web-platform-tests/css/css-pseudo/first-l
                    etter-allowed-properties.html are constant failures
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: hector_i_lopez at apple.com

fast/css/getComputedStyle/computed-style-without-renderer.html
imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html

Tests are constant failures according to history on macOS and iOS. First occurrence of failure is at https://trac.webkit.org/changeset/267887/webkit

History:

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=fast%2Fcss%2FgetComputedStyle%2Fcomputed-style-without-renderer.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-pseudo%2Ffirst-letter-allowed-properties.html

Diff fast/css/getComputedStyle/computed-style-without-renderer.html 

--- /Volumes/Data/slave/ios-simulator-14-release-tests-wk2/build/layout-test-results/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt
+++ /Volumes/Data/slave/ios-simulator-14-release-tests-wk2/build/layout-test-results/fast/css/getComputedStyle/computed-style-without-renderer-actual.txt
@@ -173,7 +173,7 @@
 text-shadow: none
 text-transform: none
 top: auto
-transform: none
+transform:
 transform-style: flat
 transition-delay: 0s
 transition-duration: 0s

Diff imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html

--- /Volumes/Data/slave/ios-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties-expected.txt
+++ /Volumes/Data/slave/ios-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties-actual.txt
@@ -32,6 +32,6 @@
 PASS verticalAlign should be applied to first-letter pseudo elements.
 PASS wordSpacing should be applied to first-letter pseudo elements.
 FAIL transition should not be applied to first-letter pseudo elements. assert_equals: expected "all 0s ease 0s" but got "transform 1s ease 0s"
-PASS transform should not be applied to first-letter pseudo elements.
+FAIL transform should not be applied to first-letter pseudo elements. assert_equals: expected "none" but got ""
 FAIL wordBreak should not be applied to first-letter pseudo elements. assert_equals: expected "normal" but got "break-all"

Was able to reproduce both tests on revision r267887 but not r267875(first previous spade):

run-webkit-tests imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html --iterations 1000 --ios-simulator --exit-after-n-failures 3 

Running 1 WebKitTestRunnerApp.app.

[1/1000] imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html failed unexpectedly (text diff)
[2/1000] imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html failed unexpectedly (text diff)
[3/1000] imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html failed unexpectedly (text diff)
Exiting early after 3 failures. 3 tests run.


0 tests ran as expected, 3 didn't (997 didn't run):


Regressions: Unexpected text-only failures (1)
  imported/w3c/web-platform-tests/css/css-pseudo/first-letter-allowed-properties.html [ Failure ]

run-webkit-tests fast/css/getComputedStyle/computed-style-without-renderer.html  --iterations 1000 --ios-simulator --exit-after-n-failures 3 

Running 1 WebKitTestRunnerApp.app.

[1/1000] fast/css/getComputedStyle/computed-style-without-renderer.html failed unexpectedly (text diff)
[2/1000] fast/css/getComputedStyle/computed-style-without-renderer.html failed unexpectedly (text diff)
[3/1000] fast/css/getComputedStyle/computed-style-without-renderer.html failed unexpectedly (text diff)
Exiting early after 3 failures. 3 tests run.


0 tests ran as expected, 3 didn't (997 didn't run):


Regressions: Unexpected text-only failures (1)
  fast/css/getComputedStyle/computed-style-without-renderer.html [ Failure ]

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