Make TreeItem.getExpanded consistent across platforms #2834

[ptziegler]

When the children of a previously expanded TreeItem are removed, the call to getExpanded() should continue to return "true". On Linux and MacOS, this property is not persisted in the native widget and may wrongfully return "false".

[eclipse-platform-bot]

This pull request changes some projects for the first time in this development cycle.
Therefore the following files need a version increment:

tests/org.eclipse.swt.tests/META-INF/MANIFEST.MF
tests/org.eclipse.swt.tests/pom.xml

An additional commit containing all the necessary changes was pushed to the top of this PR's branch. To obtain these changes (for example if you want to push more changes) either fetch from your fork or apply the git patch.

Git patch

From 92703ba1857c4b5233f58abbe112bf3245286b04 Mon Sep 17 00:00:00 2001
From: Eclipse Platform Bot <[email protected]>
Date: Mon, 1 Dec 2025 17:14:03 +0000
Subject: [PATCH] Version bump(s) for 4.39 stream


diff --git a/tests/org.eclipse.swt.tests/META-INF/MANIFEST.MF b/tests/org.eclipse.swt.tests/META-INF/MANIFEST.MF
index 9f1d3b1108..4b571c7fe2 100644
--- a/tests/org.eclipse.swt.tests/META-INF/MANIFEST.MF
+++ b/tests/org.eclipse.swt.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Eclipse SWT Tests
 Bundle-SymbolicName: org.eclipse.swt.tests
-Bundle-Version: 3.107.1000.qualifier
+Bundle-Version: 3.107.1100.qualifier
 Bundle-Vendor: Eclipse.org
 Export-Package: org.eclipse.swt.tests.junit,
  org.eclipse.swt.tests.junit.performance
diff --git a/tests/org.eclipse.swt.tests/pom.xml b/tests/org.eclipse.swt.tests/pom.xml
index 18ae2d2c43..1675fabcb9 100644
--- a/tests/org.eclipse.swt.tests/pom.xml
+++ b/tests/org.eclipse.swt.tests/pom.xml
@@ -20,7 +20,7 @@
     <relativePath>../../local-build/local-build-parent/</relativePath>
   </parent>
   <artifactId>org.eclipse.swt.tests</artifactId>
-  <version>3.107.1000-SNAPSHOT</version>
+  <version>3.107.1100-SNAPSHOT</version>
   <packaging>eclipse-test-plugin</packaging>
   <properties>
     <tycho.testArgLine></tycho.testArgLine>
-- 
2.51.2

Further information are available in Common Build Issues - Missing version increments.

[github-actions]

Test Results

  108 files   - 10    108 suites   - 10   16m 0s ⏱️ - 1m 5s
4 560 tests  - 93  4 547 ✅  - 88  12 💤  - 6  1 ❌ +1 
  263 runs   - 75    263 ✅  - 71   0 💤  - 4  0 ❌ ±0 

For more details on these failures, see this check.

Results for commit 47b8ec3. ± Comparison against base commit 941ff78.

This pull request removes 93 tests.

AllGTKTests Test_GtkConverter ‑ test_HeuristicASCII_dollarSign
AllGTKTests Test_GtkConverter ‑ test_HeuristicASCII_emptyString
AllGTKTests Test_GtkConverter ‑ test_HeuristicASCII_letterA
AllGTKTests Test_GtkConverter ‑ test_HeuristicASCII_letters
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16LE_null
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16_AsciiLetters
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16_Asciiletter
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16_LotsOfLetters
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16_letter
AllGTKTests Test_GtkConverter ‑ test_HeuristicUTF16_letters
…