<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>210350</bug_id>
          
          <creation_ts>2020-04-10 11:37:41 -0700</creation_ts>
          <short_desc>REGRESSION: (r259850)[ Mac wk1 Debug ] media/track/track-user-stylesheet.html is flaky failing.</short_desc>
          <delta_ts>2020-04-10 16:37:25 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Media</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>macOS 10.15</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Jason Lawrence">Lawrence.j</reporter>
          <assigned_to name="Peng Liu">peng.liu6</assigned_to>
          <cc>calvaris</cc>
    
    <cc>eric.carlson</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>jer.noble</cc>
    
    <cc>peng.liu6</cc>
    
    <cc>philipj</cc>
    
    <cc>sergio</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1640288</commentid>
    <comment_count>0</comment_count>
    <who name="Jason Lawrence">Lawrence.j</who>
    <bug_when>2020-04-10 11:37:41 -0700</bug_when>
    <thetext>media/track/track-user-stylesheet.html

Description:
This test is flaky failing on Mac wk1 Debug. The test appears to have regressed on r259850.

History:
https://results.webkit.org/?suite=layout-tests&amp;test=media%2Ftrack%2Ftrack-user-stylesheet.html&amp;flavor=wk1&amp;platform=mac&amp;style=debug

Diff:
--- /Volumes/Data/slave/mojave-debug-tests-wk1/build/layout-test-results/media/track/track-user-stylesheet-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk1/build/layout-test-results/media/track/track-user-stylesheet-actual.txt
@@ -11,9 +11,9 @@
 EVENT(seeked)
 
 ** Track should be visible, cue should be styled appropriately. **
-EXPECTED (video.textTracks[0].mode == &apos;showing&apos;) OK
-EXPECTED (getComputedStyle(textTrackDisplayElement(video, &apos;cue&apos;)).color == &apos;rgb(0, 0, 255)&apos;) OK
-EXPECTED (getComputedStyle(textTrackDisplayElement(video, &apos;cue&apos;)).backgroundColor == &apos;rgb(255, 255, 0)&apos;) OK
+EXPECTED (video.textTracks[0].mode == &apos;showing&apos;), OBSERVED &apos;disabled&apos; FAIL
+No text track cue with display id &apos;cue&apos; is currently visible
+No text track cue with display id &apos;cue&apos; is currently visible
 
 ** Remove the video from the document, add it back. **
 RUN(video.parentNode.removeChild(video))</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640289</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-04-10 11:38:02 -0700</bug_when>
    <thetext>&lt;rdar://problem/61595394&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640293</commentid>
    <comment_count>2</comment_count>
    <who name="Jason Lawrence">Lawrence.j</who>
    <bug_when>2020-04-10 11:43:13 -0700</bug_when>
    <thetext>I am able to reproduce this issue with r259868 and r259850, but I cannot reproduce the issue on r259849 using this command:
run-webkit-tests  --iterations 99 --exit-after-n-failures 3 --force -f --debug -1 media/track/track-user-stylesheet.html

r259850:
[6/99] media/track/track-user-stylesheet.html failed unexpectedly (text diff)
[6/99] media/track/track-user-stylesheet.html failed unexpectedly (text diff)
[6/99] media/track/track-user-stylesheet.html failed unexpectedly (text diff)
Exiting early after 3 failures. 3 tests run.
0 tests ran as expected, 3 didn&apos;t (96 didn&apos;t run):

r259849:
All 99 tests ran as expected.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640325</commentid>
    <comment_count>3</comment_count>
      <attachid>396114</attachid>
    <who name="Peng Liu">peng.liu6</who>
    <bug_when>2020-04-10 13:21:56 -0700</bug_when>
    <thetext>Created attachment 396114
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1640417</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-04-10 16:37:24 -0700</bug_when>
    <thetext>Committed r259912: &lt;https://trac.webkit.org/changeset/259912&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 396114.</thetext>
  </long_desc>
      
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>396114</attachid>
            <date>2020-04-10 13:21:56 -0700</date>
            <delta_ts>2020-04-10 16:37:25 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-210350-20200410132155.patch</filename>
            <type>text/plain</type>
            <size>3893</size>
            <attacher name="Peng Liu">peng.liu6</attacher>
            
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