8348299: Update List/ItemEventTest/ItemEventTest.java

[GoeLin]

I backport this for parity with 21.0.8-oracle.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8348299 needs maintainer approval

Issue

• JDK-8348299: Update List/ItemEventTest/ItemEventTest.java (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1452/head:pull/1452
$ git checkout pull/1452

Update a local copy of the PR:
$ git checkout pull/1452
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1452/head

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Checkout this PR locally:
$ git pr checkout 1452

View PR using the GUI difftool:
$ git pr show -t 1452

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Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1452.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back goetz! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@GoeLin This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8348299: Update List/ItemEventTest/ItemEventTest.java

Use thread-safe StringBuffer to track selecting/deselecting items.
Use auto waitForIdle for all events.
Log handleEvent and ItemListener.
Take screenshot of the list on failure;
Optionally take screenshot after each mouse press+release.

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• d29111a: 8348323: Corrupted timezone string in JVM crash log
• ef282b7: 8180450: secondary_super_cache does not scale well

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

This backport pull request has now been updated with issue and summary from the original commit.

[openjdk]

⚠️ @GoeLin This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (40bc61b4)

[GoeLin]

/integrate

[openjdk]

Going to push as commit 11f9e7edd6884b6e99bc17bd5e63cf465a70b73f.
Since your change was applied there have been 10 commits pushed to the master branch:

• 6cf39a7: 8341170: Open source several Choice related tests (part 2)
• 94abc6a: 8341535: sun/awt/font/TestDevTransform.java fails with RuntimeException: Different rendering
• 4c0117a: 8309841: Jarsigner should print a warning if an entry is removed
• 38c5194: 8340560: Open Source several AWT/2D font and rendering tests
• 20d5609: 8325435: [macos] Menu or JPopupMenu not closed when main window is resized
• 9af7cbf: 8327071: [Testbug] g-tests for cgroup leave files in /tmp on linux
• 071aaf8: 8316497: ColorConvertOp - typo for non-ICC conversions needs one-line fix
• 5480432: 8315876: Open source several Swing CSS related tests
• d29111a: 8348323: Corrupted timezone string in JVM crash log
• ef282b7: 8180450: secondary_super_cache does not scale well

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit 11f9e7e.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.