/* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test * @bug 6880336 * @summary Test for nested SwingWorkers, i.e. when the second worker is started from the first's doInBackground() method. A timeout when running * this test is an indication of failure. * @author Artem Ananiev * @run main/timeout=32 NestedWorkers */ import javax.swing.*; public class NestedWorkers extends SwingWorker<String, Void> { private final static int MAX_LEVEL = 2; private int level; public NestedWorkers(int level) { super(); this.level = level; } @Override public String doInBackground() throws Exception { if (level < MAX_LEVEL) { SwingWorker<String, Void> nested = new NestedWorkers(level + 1); nested.execute(); nested.get(); } System.out.println("doInBackground " + level + " is complete"); return String.valueOf(level); } public static void main(String[] args) throws Exception { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { SwingWorker<String, Void> sw = new NestedWorkers(0); sw.execute(); try { System.err.println(sw.get()); } catch (Exception z) { throw new RuntimeException(z); } } }); } }