| /******************************************************************************* |
| * 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 org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| |
| import org.eclipse.test.performance.PerformanceMeter; |
| |
| import org.eclipse.jface.action.IAction; |
| |
| import org.eclipse.ui.texteditor.AbstractTextEditor; |
| |
| /** |
| * Measures the time to move a line within a large file. |
| * |
| * @since 3.1 |
| */ |
| public abstract class MoveLineTest extends TextPerformanceTestCase { |
| |
| private static final String FILE= PerformanceTestSetup.STYLED_TEXT; |
| |
| private static final int WARM_UP_RUNS= 5; |
| |
| private static final int MEASURED_RUNS= 5; |
| |
| private static final int LINE= 10; |
| |
| private static final int DISTANCE= 100; |
| |
| private AbstractTextEditor fEditor; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| fEditor= (AbstractTextEditor) EditorTestHelper.openInEditor(ResourceTestHelper.findFile(FILE), getEditorId(), true); |
| EditorTestHelper.joinBackgroundActivities(fEditor); |
| setWarmUpRuns(WARM_UP_RUNS); |
| setMeasuredRuns(MEASURED_RUNS); |
| } |
| |
| protected abstract String getEditorId(); |
| |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| EditorTestHelper.closeAllEditors(); |
| } |
| |
| /** |
| * Measures the time to move a line within a large file. |
| * |
| * @throws Exception |
| */ |
| public void test() throws Exception { |
| measureMoveLine(getNullPerformanceMeter(), getWarmUpRuns()); |
| measureMoveLine(createPerformanceMeter(), getMeasuredRuns()); |
| commitAllMeasurements(); |
| assertAllPerformance(); |
| } |
| |
| private void measureMoveLine(PerformanceMeter performanceMeter, int runs) throws Exception { |
| IAction expandAll= fEditor.getAction("FoldingExpandAll"); |
| int offset= EditorTestHelper.getDocument(fEditor).getLineOffset(LINE); |
| |
| // Use keyboard events to trigger optimization correctly |
| Event event= new Event(); |
| event.keyCode= SWT.ARROW_DOWN; |
| event.stateMask= SWT.MOD3; |
| Display display= fEditor.getSite().getShell().getDisplay(); |
| for (int i= 0; i < runs; i++) { |
| /* |
| * Avoid bug 68697: [projection] folding + move lines down/up can corrupt source |
| * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=68697 |
| */ |
| if (expandAll != null) { |
| runAction(expandAll); |
| EditorTestHelper.joinBackgroundActivities(fEditor); |
| } |
| |
| fEditor.selectAndReveal(offset, 0); |
| performanceMeter.start(); |
| SWTEventHelper.keyCodeDown(display, SWT.MOD3, true); |
| for (int j= 0; j < DISTANCE; j++) { |
| event.type= SWT.KeyDown; |
| display.post(event); |
| EditorTestHelper.runEventQueue(); |
| event.type= SWT.KeyUp; |
| display.post(event); |
| EditorTestHelper.runEventQueue(); |
| } |
| SWTEventHelper.keyCodeUp(display, SWT.MOD3, true); |
| performanceMeter.stop(); |
| |
| /* |
| * In some cases in Eclipse 3.0 revert under Linux |
| * caused an NPE which we cannot yet explain. Setting |
| * the selection to (0, 0) prevents this from happening. |
| */ |
| fEditor.selectAndReveal(0, 0); |
| EditorTestHelper.revertEditor(fEditor, true); |
| |
| EditorTestHelper.joinBackgroundActivities(fEditor); |
| } |
| } |
| |
| private void runAction(IAction action) { |
| action.run(); |
| EditorTestHelper.runEventQueue(); |
| } |
| } |