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LibWeb/HTML: Invalidate frozen ports array on initMessageEvent

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In the case that initMessageEvent is called (even with the same
ports), we should return a new array object. This fixes an issue
where the cached m_ports_array was not cleared, causing the
attribute to return the old object identity.
This commit is contained in:
Shannon Booth
2026-01-05 23:11:54 +01:00
committed by Shannon Booth
parent 82ae2a183c
commit 8a8383d59d
Notes: github-actions[bot] 2026-01-06 10:49:57 +00:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/LadybirdBrowser/ladybird/commit/8a8383d59db
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7334
2 changed files with 5 additions and 3 deletions
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6
Tests/LibWeb/Text/expected/wpt-import/html/webappapis/scripting/events/messageevent-constructor.https.txt
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@@ -2,13 +2,13 @@ Harness status: OK
Found 9 tests
7 Pass
2 Fail
8 Pass
1 Fail
Pass MessageEvent constructor called as normal function
Pass Default event values
Pass MessageEventInit dictionary
Pass Passing null for ports member
Fail ports attribute should be a FrozenArray
Pass ports attribute should be a FrozenArray
Pass initMessageEvent operation
Pass Passing null for ports parameter to initMessageEvent
Pass initMessageEvent operation default parameter values