128 lines
3.9 KiB
Java
128 lines
3.9 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 4852790
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@summary Frame disposal must remove opened popup without exception
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@key headful
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*/
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.FlowLayout;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.event.InputEvent;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.JMenuBar;
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import javax.swing.JPanel;
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public class OpenedPopupFrameDisposal {
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public static final int SIZE = 300;
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volatile JFrame jf = null;
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volatile JComboBox<String> jcb = null;
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public void start() {
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jf = new JFrame("OpenedPopupFrameDisposal - Frame to dispose");
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// Note that original bug cannot be reproduced without JMenuBar present.
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jf.setJMenuBar(new JMenuBar());
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jf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
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jf.setLocationRelativeTo(null);
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jf.addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent evt) {
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jf.setVisible(false);
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jf.dispose();
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}
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});
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JPanel panel = new JPanel(new FlowLayout());
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jcb = new JComboBox<>();
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jcb.addItem("one");
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jcb.addItem("two");
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jcb.addItem("Three");
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panel.add(jcb);
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jf.getContentPane().add(panel, BorderLayout.CENTER);
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jf.pack();
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jf.setSize(new Dimension(SIZE, SIZE));
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jf.setVisible(true);
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}
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public void test() throws Exception {
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Robot robot = new Robot();
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robot.delay(1000); // wait for jf visible
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Point pt = jf.getLocationOnScreen();
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int x, y;
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x = pt.x + SIZE / 2;
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y = pt.y + SIZE / 2;
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robot.mouseMove(x, y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(1000);
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pt = jcb.getLocationOnScreen();
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x = pt.x + jcb.getWidth() / 2;
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y = pt.y + jcb.getHeight() / 2;
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robot.mouseMove(x, y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(1000);
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// Here on disposal we had a NullPointerException
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EventQueue.invokeAndWait(() -> {
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if (jf != null) {
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jf.setVisible(false);
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jf.dispose();
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}
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});
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}
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public static void main(String[] args) throws Exception {
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OpenedPopupFrameDisposal imt = new OpenedPopupFrameDisposal();
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try {
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EventQueue.invokeAndWait(imt::start);
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imt.test();
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (imt.jf != null) {
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imt.jf.dispose();
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}
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});
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}
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}
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}
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