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Fix sporadic failure in MarkerTest.testMarkerDeltasMoveFile #2573

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Fix sporadic failure in MarkerTest.testMarkerDeltasMoveFile #2573

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Copilot Mar 15, 2026
b9a40f0
Fix sporadic MarkerTest.testMarkerDeltasMoveFile failure
Copilot Mar 15, 2026
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10 changes: 7 additions & 3 deletions ...sts/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/resources/MarkerTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -969,9 +969,13 @@ public void testMarkerDeltasMoveFile(TestInfo testInfo) throws CoreException {
IMarker subFileMarker = subFile.createMarker(IMarker.BOOKMARK);
listener.reset();

// move the files
file.move(destFile.getFullPath(), IResource.FORCE, createTestMonitor());
subFile.move(destSubFile.getFullPath(), IResource.FORCE, createTestMonitor());
// move the files in one atomic workspace operation to prevent background jobs
// (e.g. charset/encoding validation) from running between the two moves and
// adding unexpected marker changes to the listener
getWorkspace().run(monitor -> {
file.move(destFile.getFullPath(), IResource.FORCE, monitor);
subFile.move(destSubFile.getFullPath(), IResource.FORCE, monitor);
}, createTestMonitor());

// verify marker deltas
listener.assertNumberOfAffectedResources(4);
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