CoCalc -- bug7004134.java

GitHub Repository: PojavLauncherTeam/openjdk-multiarch-jdk8u
Path: blob/aarch64-shenandoah-jdk8u272-b10/jdk/test/javax/swing/JLabel/7004134/bug7004134.java
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/*
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 * Copyright (c) 2010, 2011, 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 7004134
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   @summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
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   @author Pavel Porvatov
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*/
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import sun.awt.SunToolkit;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.MouseEvent;
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import java.lang.reflect.Field;
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public class bug7004134 {
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    private static volatile JFrame frame;
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    private static volatile JLabel label;
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    private static volatile int toolTipWidth;
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    public static void main(String[] args) throws Exception {
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        SwingUtilities.invokeAndWait(new Runnable() {
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            public void run() {
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                label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
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                label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");
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                frame = new JFrame();
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                frame.add(label);
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                frame.pack();
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                frame.setVisible(true);
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            }
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        });
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        ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
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        SwingUtilities.invokeAndWait(new Runnable() {
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            public void run() {
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                ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
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                toolTipManager.setInitialDelay(0);
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                toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
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            }
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        });
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        Thread.sleep(500);
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        SwingUtilities.invokeAndWait(new Runnable() {
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            public void run() {
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                toolTipWidth = getTipWindow().getWidth();
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                frame.dispose();
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            }
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        });
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        Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
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            public void run() {
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                SunToolkit.createNewAppContext();
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                try {
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                    SwingUtilities.invokeAndWait(new Runnable() {
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                        public void run() {
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                            frame = new JFrame();
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                            frame.add(label);
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                            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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                            frame.pack();
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                            frame.setVisible(true);
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                        }
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                    });
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                    ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
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                    SwingUtilities.invokeAndWait(new Runnable() {
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                        public void run() {
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                            ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
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                            toolTipManager.setInitialDelay(0);
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                            toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
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                        }
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                    });
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                    Thread.sleep(500);
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                    SwingUtilities.invokeAndWait(new Runnable() {
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                        public void run() {
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                            int newToolTipWidth = getTipWindow().getWidth();
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                            frame.dispose();
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                            if (toolTipWidth != newToolTipWidth) {
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                                throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
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                                        ", new: " + newToolTipWidth);
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                            }
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                        }
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                    });
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                } catch (Exception e) {
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                    throw new RuntimeException(e);
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                }
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            }
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        });
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        thread.start();
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        thread.join();
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    }
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    private static Component getTipWindow() {
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        try {
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            Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");
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            tipWindowField.setAccessible(true);
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            Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());
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            Field componentField = Popup.class.getDeclaredField("component");
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            componentField.setAccessible(true);
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            return (Component) componentField.get(value);
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        } catch (Exception e) {
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            throw new RuntimeException("getToolTipComponent failed", e);
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        }
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    }
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}
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