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