2 files changed, 98 insertions, 0 deletions
diff --git a/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/EditorsTestSuite.java b/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/EditorsTestSuite.java
index 8542b65f533..1577fe96d22 100644
--- a/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/EditorsTestSuite.java
+++ b/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/EditorsTestSuite.java
@@ -24,6 +24,7 @@ public class EditorsTestSuite extends TestSuite {
 		TestSuite suite = new TestSuite("Test Suite for org.eclipse.ui.editors"); //$NON-NLS-1$
 		//$JUnit-BEGIN$
 		suite.addTest(ChainedPreferenceStoreTest.suite());
+		suite.addTest(SegmentedModeTest.suite());
 		//$JUnit-END$
 		return suite;
 	}
diff --git a/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/SegmentedModeTest.java b/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/SegmentedModeTest.java
new file mode 100644
index 00000000000..e04a7437d95
--- /dev/null
+++ b/org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/SegmentedModeTest.java
@@ -0,0 +1,97 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.ui.editors.tests;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.filebuffers.tests.TestHelper;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.ide.IDE;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+
+public class SegmentedModeTest extends TestCase {
+	
+	private static final String ORIGINAL_CONTENT= "this\nis\nthe\ncontent\nof\nthe\nfile"; 
+	
+	public static Test suite() {
+		return new TestSuite(SegmentedModeTest.class);
+	}
+	
+	private IFile fFile;
+	
+	private String getOriginalContent() {
+		return ORIGINAL_CONTENT;
+	}
+
+	/*
+	 * @see junit.framework.TestCase#setUp()
+	 */
+	protected void setUp() throws Exception {
+		IFolder folder= TestHelper.createFolder("project/folderA/folderB/");
+		fFile= TestHelper.createFile(folder, "file.txt", getOriginalContent());
+	}
+	
+	/*
+	 * @see junit.framework.TestCase#tearDown()
+	 */
+	protected void tearDown() throws Exception {
+		TestHelper.deleteProject("project");
+	}
+	
+	/*
+	 * @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=70934
+	 */
+	public void testSegmentation() {
+		IWorkbench workbench= PlatformUI.getWorkbench();
+		IWorkbenchPage page= workbench.getActiveWorkbenchWindow().getActivePage();
+		try {
+			IEditorPart part= IDE.openEditor(page, fFile);
+			
+			try {
+				if (part instanceof ITextEditor) {
+					ITextEditor editor= (ITextEditor) part;
+					
+					editor.showHighlightRangeOnly(true);
+					editor.setHighlightRange(5, 0, true);
+					
+					Control control= (Control) part.getAdapter(Control.class);
+					if (control instanceof StyledText) {
+						StyledText styledText= (StyledText) control;
+						int caret= styledText.getCaretOffset();
+						styledText.replaceTextRange(caret, 0, "really ");
+						
+						StringBuffer buffer= new StringBuffer(getOriginalContent());
+						buffer.insert(5, "really ");
+						IDocument document= editor.getDocumentProvider().getDocument(editor.getEditorInput());
+						assertEquals(buffer.toString(), document.get());
+					}
+				}
+			} finally {
+				page.saveEditor(part, false);
+			}
+			
+		} catch (PartInitException e) {
+			assertTrue(false);
+		}
+	}
+}