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diff --git a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/TextPresentationTest.java b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/TextPresentationTest.java
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+++ b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/TextPresentationTest.java
@@ -0,0 +1,572 @@
+/*******************************************************************************
+ * 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.jface.text.tests;
+
+import java.util.Iterator;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.widgets.Display;
+
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.TextPresentation;
+
+public class TextPresentationTest extends TestCase {
+
+ private static final int NORMAL= SWT.NORMAL;
+ private static final int BOLD= SWT.BOLD;
+// private static final int ITALIC= SWT.ITALIC;
+
+ private TextPresentation fTextPresentation;
+ private StyleRange[] fAllRanges;
+ private StyleRange[] fNonDefaultRanges;
+
+ public static Test suite() {
+ return new TestSuite(TextPresentationTest.class);
+ }
+
+ protected void setUp() {
+ setUpStyleRanges();
+ setUpTextPresentation();
+ }
+
+ private void setUpStyleRanges() {
+ fAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL)
+ };
+
+ fNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD)
+ };
+ }
+
+ private void setUpTextPresentation() {
+ fTextPresentation= new TextPresentation();
+ fTextPresentation.setDefaultStyleRange(createStyleRange(0, 140, NORMAL));
+ for (int i= 0; i < fAllRanges.length; i++)
+ fTextPresentation.addStyleRange(fAllRanges[i]);
+ }
+
+ /**
+ * @param end is exclusive
+ */
+ private StyleRange createStyleRange(int start, int end, int style) {
+ return createStyleRange(start, end, null, null, style);
+ }
+
+ /**
+ * @param end is exclusive
+ */
+ private StyleRange createStyleRange(int start, int end, Color foreground, Color background, int style) {
+ return new StyleRange(start, end - start, foreground, background, style);
+ }
+
+ /**
+ * @param end is exclusive
+ */
+ private StyleRange createStyleRange(int start, int end, int foreground, int background, int style) {
+ return createStyleRange(start, end, createColor(foreground, foreground, foreground), createColor(background, background, background), style);
+ }
+
+ private static Display fDisplay= new Display();
+
+ /**
+ * @return <code>null</code> if any of the parameters is smaller than 0 or greater than 255
+ */
+ private Color createColor(int red, int green, int blue) {
+ if (red < 0 || red > 255 || green < 0 || green > 255 || blue < 0 || blue > 255)
+ return null;
+ return new Color(fDisplay, red, green, blue);
+ }
+
+ private void checkRegions(StyleRange[] expectedAllRanges, StyleRange[] expectedNonDefaultRanges) {
+ Iterator e= fTextPresentation.getAllStyleRangeIterator();
+ for (int i= 0; i < expectedAllRanges.length; i++) {
+ assertTrue(e.hasNext());
+ assertEquals(expectedAllRanges[i], e.next());
+ }
+ assertTrue(!e.hasNext());
+
+ e= fTextPresentation.getNonDefaultStyleRangeIterator();
+ for (int i= 0; i < expectedNonDefaultRanges.length; i++) {
+ assertTrue(e.hasNext());
+ assertEquals(expectedNonDefaultRanges[i], e.next());
+ }
+ assertTrue(!e.hasNext());
+ }
+
+ public void testUnclippedRegions() {
+ checkRegions(fAllRanges, fNonDefaultRanges);
+ }
+
+ public void testClippedRegions1() {
+ fTextPresentation.setResultWindow(new Region(0, 140));
+ checkRegions(fAllRanges, fNonDefaultRanges);
+ }
+
+ public void testClippedRegions2() {
+
+ fTextPresentation.setResultWindow(new Region(30, 70));
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 17, NORMAL),
+ createStyleRange( 17, 24, BOLD),
+ createStyleRange( 24, 66, NORMAL),
+ createStyleRange( 66, 70, BOLD)
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 17, 24, BOLD),
+ createStyleRange( 66, 70, BOLD)
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at start of first existing range.
+ */
+ public void testMergeStyleRange1() {
+ StyleRange range= createStyleRange(0, 2, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange(0, 2, 1, -1, NORMAL),
+ createStyleRange( 2, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange(0, 2, 1, -1, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at end of last existing range.
+ */
+ public void testMergeStyleRange2() {
+ StyleRange range= createStyleRange(138, 140, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 138, NORMAL),
+ createStyleRange(138, 140, 1, -1, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(138, 140, 1, -1, NORMAL),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at start of existing default range.
+ */
+ public void testMergeStyleRange3() {
+ StyleRange range= createStyleRange(20, 22, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(20, 22, 1, -1, NORMAL),
+ createStyleRange( 22, 47, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(20, 22, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range within existing default range.
+ */
+ public void testMergeStyleRange4() {
+ StyleRange range= createStyleRange(22, 24, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 22, NORMAL),
+ createStyleRange(22, 24, 1, -1, NORMAL),
+ createStyleRange( 24, 47, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(22, 24, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at end of existing default range.
+ */
+ public void testMergeStyleRange5() {
+ StyleRange range= createStyleRange(45, 47, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 45, NORMAL),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at start of existing non-default range.
+ */
+ public void testMergeStyleRange6() {
+ StyleRange range= createStyleRange(47, 49, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange(47, 49, 1, -1, BOLD),
+ createStyleRange( 49, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(47, 49, 1, -1, BOLD),
+ createStyleRange( 49, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range within existing non-default range.
+ */
+ public void testMergeStyleRange7() {
+ StyleRange range= createStyleRange(49, 51, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 49, BOLD),
+ createStyleRange(49, 51, 1, -1, BOLD),
+ createStyleRange( 51, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 49, BOLD),
+ createStyleRange(49, 51, 1, -1, BOLD),
+ createStyleRange( 51, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range at end of existing non-default range.
+ */
+ public void testMergeStyleRange8() {
+ StyleRange range= createStyleRange(52, 54, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range from existing default to non-default range.
+ */
+ public void testMergeStyleRange9() {
+ StyleRange range= createStyleRange(45, 49, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 45, NORMAL),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange(47, 49, 1, -1, BOLD),
+ createStyleRange( 49, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange(47, 49, 1, -1, BOLD),
+ createStyleRange( 49, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range from existing non-default to default range.
+ */
+ public void testMergeStyleRange10() {
+ StyleRange range= createStyleRange(52, 56, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange(54, 56, 1, -1, NORMAL),
+ createStyleRange( 56, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange(54, 56, 1, -1, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range from existing default over non-default to default range.
+ */
+ public void testMergeStyleRange11() {
+ StyleRange range= createStyleRange(45, 56, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 45, NORMAL),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange(47, 54, 1, -1, BOLD),
+ createStyleRange(54, 56, 1, -1, NORMAL),
+ createStyleRange( 56, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(45, 47, 1, -1, NORMAL),
+ createStyleRange(47, 54, 1, -1, BOLD),
+ createStyleRange(54, 56, 1, -1, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range from existing non-default over default to non-default range.
+ */
+ public void testMergeStyleRange12() {
+ StyleRange range= createStyleRange(52, 98, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange(54, 96, 1, -1, NORMAL),
+ createStyleRange(96, 98, 1, -1, BOLD),
+ createStyleRange( 98, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 47, 52, BOLD),
+ createStyleRange(52, 54, 1, -1, BOLD),
+ createStyleRange(54, 96, 1, -1, NORMAL),
+ createStyleRange(96, 98, 1, -1, BOLD),
+ createStyleRange( 98, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range over existing default range.
+ */
+ public void testMergeStyleRange13() {
+ StyleRange range= createStyleRange(20, 47, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(20, 47, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(20, 47, 1, -1, NORMAL),
+ createStyleRange( 47, 54, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+ /**
+ * Merge range over existing non-default range.
+ */
+ public void testMergeStyleRange14() {
+ StyleRange range= createStyleRange(47, 54, 1, -1, NORMAL);
+ fTextPresentation.mergeStyleRange(range);
+
+ StyleRange[] expectedAllRanges= new StyleRange[] {
+ createStyleRange( 0, 4, NORMAL),
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange( 20, 47, NORMAL),
+ createStyleRange(47, 54, 1, -1, BOLD),
+ createStyleRange( 54, 96, NORMAL),
+ createStyleRange( 96, 102, BOLD),
+ createStyleRange(102, 140, NORMAL),
+ };
+
+ StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+ createStyleRange( 4, 20, BOLD),
+ createStyleRange(47, 54, 1, -1, BOLD),
+ createStyleRange( 96, 102, BOLD),
+ };
+
+ checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+ }
+
+// Template
+//
+// public void testMergeStyleRange0() {
+//// StyleRange range= createStyleRange(0, 2, 1, -1, NORMAL);
+//// fTextPresentation.mergeStyleRange(range);
+//
+// StyleRange[] expectedAllRanges= new StyleRange[] {
+// createStyleRange( 0, 4, NORMAL),
+// createStyleRange( 4, 20, BOLD),
+// createStyleRange( 20, 47, NORMAL),
+// createStyleRange( 47, 54, BOLD),
+// createStyleRange( 54, 96, NORMAL),
+// createStyleRange( 96, 102, BOLD),
+// createStyleRange(102, 140, NORMAL),
+// };
+//
+// StyleRange[] expectedNonDefaultRanges= new StyleRange[] {
+// createStyleRange( 4, 20, BOLD),
+// createStyleRange( 47, 54, BOLD),
+// createStyleRange( 96, 102, BOLD),
+// };
+//
+// checkRegions(expectedAllRanges, expectedNonDefaultRanges);
+// }
+}

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