<?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>294218</bug_id>
          
          <creation_ts>2025-06-09 13:23:10 -0700</creation_ts>
          <short_desc>New Test(295178@main): [ iOS ] media/video-suppress-hdr-fullscreen.html is a constant failure.</short_desc>
          <delta_ts>2025-07-27 15:47:14 -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>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>MOVED</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>
          <dependson>296257</dependson>
          <blocked>296545</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Yasmin Karimi">y_karimi</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>g_squelart</cc>
    
    <cc>jer.noble</cc>
    
    <cc>sabouhallawa</cc>
    
    <cc>simon.fraser</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>2122586</commentid>
    <comment_count>0</comment_count>
    <who name="Yasmin Karimi">y_karimi</who>
    <bug_when>2025-06-09 13:23:10 -0700</bug_when>
    <thetext>media/video-suppress-hdr-fullscreen.html

This test is a constant failure on iOS on iPad.

HISTORY:

https://results.webkit.org/?suite=layout-tests&amp;test=media%2Fvideo-suppress-hdr-fullscreen.html

TEXT DIFF:

@@ -9,6 +9,7 @@
 RUN(video.play().then(playing);)
 EXPECTED (internals.isChangingPresentationMode(video) == &apos;false&apos;) OK
 RUN(internals.setPageShouldSuppressHDR(true))
+EXPECTED (internals.effectiveDynamicRangeLimitValue(video) == &apos;1&apos;), OBSERVED &apos;0.5&apos; FAIL
 RUN(internals.setPageShouldSuppressHDR(false))
 RUN(video.webkitExitFullscreen())
 EVENT(webkitpresentationmodechanged)

DIFF URL:

https://build.webkit.org/results/Apple-iPadOS-18-Simulator-Release-WK2-Tests/295997@main%20(1202)/media/video-suppress-hdr-fullscreen-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this issue on the iOS 18.2 simulator at ToT using the following command:

run-webkit-tests --ios-simulator media/video-suppress-hdr-fullscreen.html --iterations 10

REGRESSION:

This test appears to be constantly failing since it was introduced at 295178@main.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2122587</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-06-09 13:24:45 -0700</bug_when>
    <thetext>&lt;rdar://problem/152860818&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2132472</commentid>
    <comment_count>2</comment_count>
    <who name="Gerald Squelart">g_squelart</who>
    <bug_when>2025-07-25 01:16:51 -0700</bug_when>
    <thetext>Didn&apos;t notice this bug, sorry, I worked on this issue in https://bugs.webkit.org/show_bug.cgi?id=296257</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>