| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.text.tests.performance; |
| |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| import org.eclipse.test.performance.PerformanceMeter; |
| |
| import org.eclipse.jface.text.DocumentRewriteSession; |
| import org.eclipse.jface.text.DocumentRewriteSessionType; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IDocumentExtension4; |
| import org.eclipse.jface.text.ITextViewerExtension; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| |
| import org.eclipse.ui.internal.texteditor.quickdiff.compare.rangedifferencer.RangeDifference; |
| import org.eclipse.ui.texteditor.AbstractTextEditor; |
| |
| |
| /** |
| * Measures the number of created {@link RangeDifference} |
| * while QuickDiff is initializing with lots of changes in a large file. |
| * |
| * @since 3.1 |
| */ |
| public class QuickDiffInvocationCountTest extends TextPerformanceTestCase { |
| |
| private static final Class THIS= QuickDiffInvocationCountTest.class; |
| |
| private static final String FILE= "/" + PerformanceTestSetup.PROJECT + "/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableTree.java"; |
| |
| private AbstractTextEditor fEditor; |
| |
| public static Test suite() { |
| return new PerformanceTestSetup(new TestSuite(THIS)); |
| } |
| |
| /* |
| * @see junit.framework.TestCase#setUp() |
| */ |
| protected void setUp() throws Exception { |
| super.setUp(); |
| fEditor= (AbstractTextEditor) EditorTestHelper.openInEditor(ResourceTestHelper.findFile(FILE), EditorTestHelper.TEXT_EDITOR_ID, true); |
| fEditor.showChangeInformation(false); |
| ISourceViewer viewer= EditorTestHelper.getSourceViewer(fEditor); |
| IDocument document= EditorTestHelper.getDocument(fEditor); |
| DocumentRewriteSession rewriteSession= null; |
| try { |
| if (viewer instanceof ITextViewerExtension) |
| ((ITextViewerExtension) viewer).getRewriteTarget().beginCompoundChange(); |
| if (document instanceof IDocumentExtension4) |
| rewriteSession= ((IDocumentExtension4) document).startRewriteSession(DocumentRewriteSessionType.STRICTLY_SEQUENTIAL); |
| for (int i= 0; i < document.getNumberOfLines(); i += 2) { |
| document.replace(document.getLineOffset(i), 0, " "); |
| } |
| } finally { |
| if (document instanceof IDocumentExtension4) |
| ((IDocumentExtension4) document).stopRewriteSession(rewriteSession); |
| if (viewer instanceof ITextViewerExtension) |
| ((ITextViewerExtension) viewer).getRewriteTarget().endCompoundChange(); |
| } |
| EditorTestHelper.joinBackgroundActivities(fEditor); |
| } |
| |
| /** |
| * Measures the number of created {@link RangeDifference} |
| * while QuickDiff is initializing with lots of changes in a large file. |
| * |
| * @throws Exception |
| */ |
| public void test() throws Exception { |
| PerformanceMeter performanceMeter= createInvocationCountPerformanceMeter(RangeDifference.class.getConstructors()); |
| performanceMeter.start(); |
| fEditor.showChangeInformation(true); |
| EditorTestHelper.runEventQueue(5000); // ensure QuickDiff job started |
| EditorTestHelper.joinBackgroundActivities(fEditor); |
| performanceMeter.stop(); |
| commitAllMeasurements(); |
| assertAllPerformance(); |
| } |
| |
| /* |
| * @see junit.framework.TestCase#tearDown() |
| */ |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| EditorTestHelper.closeAllEditors(); |
| |
| } |
| } |