Attachment 16040 Details for Bug 79182 – CU in which the NPE occured

CU in which the NPE occured

JavaMoveLineTest.java (text/plain), 3.33 KB, created by Christof Marti

on 2004-11-22 09:08:33 EST

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Creator: Christof Marti

Created: 2004-11-22 09:08:33 EST

Size: 3.33 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2000, 2004 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.jdt.text.tests.performance;
>
>import junit.framework.Test;
>import junit.framework.TestSuite;
>
>import org.eclipse.swt.widgets.Event;
>
>import org.eclipse.test.performance.PerformanceMeter;
>
>import org.eclipse.jface.action.IAction;
>
>import org.eclipse.ui.texteditor.AbstractTextEditor;
>import org.eclipse.ui.texteditor.ITextEditorActionConstants;
>
>/**
> * Measures the time to move a line within a large file in the Java editor.
> * 
> * @since 3.1
> */
>public class JavaMoveLineTest extends TextPerformanceTestCase {
>	
>	private static final Class THIS= JavaMoveLineTest.class;
>	
>	private static final String FILE= PerformanceTestSetup.STYLED_TEXT;
>	
>	private static final int WARM_UP_RUNS= 3;
>
>	private static final int MEASURED_RUNS= 3;
>	
>	private static final int LINE= 10;
>	
>	private static final int DISTANCE= 400;
>
>	private AbstractTextEditor fEditor;
>
>	public static Test suite() {
>		return new PerformanceTestSetup(new TestSuite(THIS));
>	}
>
>	protected void setUp() throws Exception {
>		super.setUp();
>		fEditor= (AbstractTextEditor) EditorTestHelper.openInEditor(ResourceTestHelper.findFile(FILE), true);
>		EditorTestHelper.joinBackgroundActivities(fEditor);
>		setWarmUpRuns(WARM_UP_RUNS);
>		setMeasuredRuns(MEASURED_RUNS);
>	}
>	
>	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 moveLineDown= fEditor.getAction(ITextEditorActionConstants.MOVE_LINE_DOWN);
>		IAction expandAll= fEditor.getAction("FoldingExpandAll");
>		int offset= EditorTestHelper.getDocument(fEditor).getLineOffset(LINE);
>		Event event= new Event(
>		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
>			 */
>			runAction(expandAll);
>			
>			fEditor.selectAndReveal(offset, 0);
>			performanceMeter.start();
>			for (int j= 0; j < DISTANCE; j++)
>				runActionWithEvent(moveLineDown, event);
>			performanceMeter.stop();
>			EditorTestHelper.revertEditor(fEditor, true);
>			EditorTestHelper.joinBackgroundActivities(fEditor);
>		}
>	}
>
>	private void runAction(IAction action) {
>		action.run();
>		EditorTestHelper.runEventQueue();
>	}
>
>	private void runActionWithEvent(IAction action, Event event) {
>		action.runWithEvent(event);
>		EditorTestHelper.runEventQueue();
>	}
>}

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Attachments on bug 79182: 16040