Attachment 149421 Details for Bug 292108 – Testcase for performance impacts

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Testcase for performance impacts

clipboard.txt (text/plain), 3.23 KB, created by Stefan Röck

on 2009-10-13 05:10:06 EDT

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Creator: Stefan Röck

Created: 2009-10-13 05:10:06 EDT

Size: 3.23 KB

patch

obsolete

>package org.eclipse.rwt.internal.theme;
>
>import java.util.Random;
>
>import junit.framework.TestCase;
>
>import org.eclipse.swt.RWTFixture;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.widgets.Control;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>
>public class ThemeManagerTest extends TestCase{
>
>	public static final class ThreadRunnable implements Runnable {
>		private final int iterations;
>		private final Class[] widgetList;
>		private final ThemeManager mgr;
>		private final Random r = new Random();
>
>		public ThreadRunnable(final int iterations, final Class[] widgetList,
>				final ThemeManager mgr) {
>			this.iterations = iterations;
>			this.widgetList = widgetList;
>			this.mgr = mgr;
>		}
>
>		public void run() {
>			int c = 0;
>			while (c++ < iterations) {
>				final int idx = r.nextInt(widgetList.length);
>				mgr.getThemeAdapter(widgetList[idx]);
>				try {
>					Thread.sleep(10);
>				} catch (final InterruptedException e) {
>					// TODO Auto-generated catch block
>					e.printStackTrace();
>				}
>			}
>		}
>	}
>	
>	protected void setUp() throws Exception {
>		RWTFixture.setUp();
>	}
>
>	protected void tearDown() throws Exception {
>		RWTFixture.tearDown();
>	}
>	
>	public void testGetThemeAdapterPerformance() throws InterruptedException {
>	    final Display display = new Display();
>	    final Shell parent = new Shell(display, SWT.NONE);
>		
>	    final ThemeManager mgr = ThemeManager.getInstance();
>	    final IThemeAdapter adapter = new IThemeAdapter() {
>		};
>		
>	    mgr.adapters.put(Control.class, adapter);
>	    
>		final int controlCount = 300;
>		final int customControlCount = 10;
>		final int iterations = 100;
>		final int threadCount = 10;
>		
>	    final Class[] widgetList = new Class[controlCount + customControlCount];
>	    // Put many Wigets to simulate a lot of reads
>	    for (int i=0; i<controlCount; i++) {
>	    	widgetList[i] = Control.class;
>	    }
>	    
>	    // add some widgets that are not in list to simulated map changes
>	    widgetList[controlCount + 0] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 1] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 2] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 3] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 4] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 5] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 6] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 7] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 8] = new Control(parent, SWT.NONE) {}.getClass();
>    	widgetList[controlCount + 9] = new Control(parent, SWT.NONE) {}.getClass();
>	    
>	    final Runnable runnable = new ThreadRunnable(iterations, widgetList, mgr);
>		
>	    // Create some Threads
>		final Thread[] threadLst = new Thread[threadCount];
>	    for (int i = 0; i<threadCount; i++) {
>			final Thread t = new Thread(runnable);
>			threadLst[i] = t;
>			t.start();
>		}
>	    
>	    // Wait for all threads to be ready
>	    for (int i = 0; i<threadCount; i++) {
>			threadLst[i].join();
>		}
>	    
>	}
>}

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Attachments on bug 292108: 149421