org.eclipse.jdt.text.tests/src/org/eclipse/jdt/text/tests/performance/OpenTextEditorStartupTest.java

/*******************************************************************************
 * 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.extensions.TestSetup;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.test.performance.Dimension;
import org.eclipse.test.performance.PerformanceMeter;


/**
 * Startup performance with an open text editor.
 * 
 * @since 3.1
 */
public class OpenTextEditorStartupTest extends StartupPerformanceTestCase {

	public static class Setup extends TestSetup {

		private boolean fTearDown;
		
		private boolean fSetUp;

		public Setup(Test test) {
			this(test, true, true);
		}

		public Setup(Test test, boolean setUp, boolean tearDown) {
			super(test);
			fSetUp= setUp;
			fTearDown= tearDown;
		}

		protected void setUp() throws Exception {
			if (fSetUp) {
				ResourceTestHelper.copy(ORIG_FILE, FILE);
				EditorTestHelper.showPerspective(EditorTestHelper.RESOURCE_PERSPECTIVE_ID);
				EditorTestHelper.openInEditor(ResourceTestHelper.findFile(FILE), true);
			}
		}

		protected void tearDown() throws Exception {
			if (fTearDown) {
				EditorTestHelper.closeAllEditors();
				EditorTestHelper.showPerspective(EditorTestHelper.JAVA_PERSPECTIVE_ID);
				ResourceTestHelper.delete(FILE);
			}
		}
	}

	private static final Class THIS= OpenTextEditorStartupTest.class;

	private static final String SHORT_NAME= "Startup with open text editor";

	private static final String PREFIX= "/" + PerformanceTestSetup.PROJECT + "/Eclipse SWT/win32/org/eclipse/swt/graphics/TextLayout";
	
	private static final String ORIG_SUFFIX= ".java";
	
	private static final String SUFFIX= ".txt";
	
	private static final String ORIG_FILE= PREFIX + ORIG_SUFFIX;
	
	private static final String FILE= PREFIX + SUFFIX;
	
	public static Test suite() {
		return new PerformanceTestSetup(new Setup(new TestSuite(THIS)));
	}

	public static Test suiteForMeasurement() {
		return new Setup(new TestSuite(THIS), false, true);
	}
	
	public void testTextEditorStartup() {
		PerformanceMeter perfMeter= createPerformanceMeterForSummary(SHORT_NAME, Dimension.ELAPSED_PROCESS);
		explainDegradation("The startup with open Text editor performance has been decreased due to general start-up time degradation. " +
				"See the org.eclipse.core.tests.runtime.perf.UIStartupTest.testUIApplicationStartup performance test on the detailed org.eclipse.core " +
				"performance results page.", perfMeter);
		measureStartup(perfMeter);
		
	}
}