be9cc73fca
Reviewed-by: dnguyen, prr
115 lines
3.5 KiB
Java
115 lines
3.5 KiB
Java
/*
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* Copyright (c) 2003, 2023, 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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/*
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* @test
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* @bug 4817630
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* @summary AncestorEvent ancestorAdded thrown at JFrame creation, not at show()
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* @key headful
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* @run main bug4817630
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*/
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import java.lang.reflect.InvocationTargetException;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.SwingUtilities;
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import javax.swing.event.AncestorEvent;
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import javax.swing.event.AncestorListener;
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public class bug4817630 {
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JFrame fr;
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volatile boolean ancestorAdded = false;
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volatile boolean passed = true;
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public void init() {
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fr = new JFrame("bug4817630");
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JLabel label = new JLabel("Label");
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label.addAncestorListener(new AncestorListener() {
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public void ancestorAdded(AncestorEvent e) {
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if (!fr.isVisible()) {
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setPassed(false);
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}
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synchronized (bug4817630.this) {
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ancestorAdded = true;
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bug4817630.this.notifyAll();
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}
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}
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public void ancestorRemoved(AncestorEvent e) {
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}
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public void ancestorMoved(AncestorEvent e) {
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}
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});
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fr.setLocationRelativeTo(null);
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fr.getContentPane().add(label);
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fr.pack();
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fr.setVisible(true);
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}
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public void start() {
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try {
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synchronized (bug4817630.this) {
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while (!ancestorAdded) {
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bug4817630.this.wait();
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}
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}
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} catch(Exception e) {
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throw new RuntimeException("Test failed because of "
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+ e.getLocalizedMessage());
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}
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}
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public void destroy() {
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if (fr != null) {
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fr.setVisible(false);
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fr.dispose();
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}
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if (!isPassed()) {
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throw new RuntimeException("ancestorAdded() method shouldn't be "
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+ "called before the frame is shown.");
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}
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}
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synchronized void setPassed(boolean passed) {
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this.passed = passed;
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}
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synchronized boolean isPassed() {
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return passed;
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}
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException {
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bug4817630 test = new bug4817630();
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try {
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SwingUtilities.invokeAndWait(test::init);
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test.start();
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} finally {
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SwingUtilities.invokeAndWait(test::destroy);
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}
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}
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}
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