/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/* @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);
}
}
});
}
}