Attachment 6399 Details for Bug 30807 – Simple test action to cause OutOfMemoryError

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Simple test action to cause OutOfMemoryError

CreateOutOfMemoryError.java (text/plain), 2.39 KB, created by John Arthorne

on 2003-10-10 11:09:26 EDT

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Creator: John Arthorne

Created: 2003-10-10 11:09:26 EDT

Size: 2.39 KB

patch

obsolete

>/**********************************************************************
> * Copyright (c) 2003 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 - Initial API and implementation
> **********************************************************************/
>package org.eclipse.core.jobman.test.actions;
>
>import java.util.ArrayList;
>
>import org.eclipse.core.resources.IWorkspaceRunnable;
>import org.eclipse.core.resources.ResourcesPlugin;
>import org.eclipse.core.runtime.*;
>import org.eclipse.core.runtime.jobs.ILock;
>import org.eclipse.core.runtime.jobs.Job;
>import org.eclipse.jface.action.IAction;
>import org.eclipse.jface.viewers.ISelection;
>import org.eclipse.ui.IWorkbenchWindow;
>import org.eclipse.ui.IWorkbenchWindowActionDelegate;
>
>/**
> * 
> */
>public class CreateOutOfMemoryError implements IWorkbenchWindowActionDelegate {
>	protected IWorkbenchWindow window;
>	protected final ILock lock = Platform.getJobManager().newLock();
>	public CreateOutOfMemoryError() {
>		super();
>	}
>	public void dispose() {
>	}
>
>	public void init(IWorkbenchWindow window) {
>		this.window = window;
>	}
>	public void run(IAction action) {
>		//create an OutOfMemoryError job
>		Job job = new Job("Bloat") {
>			final ArrayList container = new ArrayList();
>			protected IStatus run(IProgressMonitor monitor) {
>				try {
>					ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
>						public void run(IProgressMonitor monitor) throws CoreException {
>							try {
>								//sleep for awhile to let UI lock elsewhere
>								Thread.sleep(10000);
>							} catch (InterruptedException e1) {
>							}
>							int size = 1024 * 1024;
>							while (size > 100) {
>								try {
>									while (true) {
>										container.add(new byte[size]);
>									}
>								} catch (OutOfMemoryError e) {
>									size /= 2;
>								}
>							}
>							//one last alloc to blow the OutOfMemoryError
>							container.add(new byte[1024*1024]);
>						}
>					}, monitor);
>				} catch (CoreException e) {
>					e.printStackTrace();
>				}
>				return Status.OK_STATUS;
>			}
>		};
>		job.schedule();
>	}
>	public void selectionChanged(IAction action, ISelection selection) {
>	}
>}

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Attachments on bug 30807: 6399