jdk/test/javax/swing/JLabel/7004134/bug7004134.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * 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).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /* @test
    @bug 7004134
    @summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
    @author Pavel Porvatov
 */

 import sun.awt.SunToolkit;

 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.MouseEvent;
 import java.lang.reflect.Field;

 public class bug7004134 {
     private static volatile JFrame frame;

     private static volatile JLabel label;

     private static volatile int toolTipWidth;

     public static void main(String[] args) throws Exception {
         SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
                 label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
                 label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");

                 frame = new JFrame();

                 frame.add(label);
                 frame.pack();
                 frame.setVisible(true);

                 ToolTipManager toolTipManager = ToolTipManager.sharedInstance();

                 toolTipManager.setInitialDelay(0);
                 toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
             }
         });

         Thread.sleep(500);

         SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
                 toolTipWidth = getTipWindow().getWidth();

                 frame.dispose();
             }
         });

         Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
             public void run() {
                 SunToolkit.createNewAppContext();

                 try {
                     SwingUtilities.invokeAndWait(new Runnable() {
                         public void run() {
                             frame = new JFrame();

                             frame.add(label);
                             frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                             frame.pack();
                             frame.setVisible(true);

                             ToolTipManager toolTipManager = ToolTipManager.sharedInstance();

                             toolTipManager.setInitialDelay(0);
                             toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
                         }
                     });

                     Thread.sleep(500);

                     SwingUtilities.invokeAndWait(new Runnable() {
                         public void run() {
                             int newToolTipWidth = getTipWindow().getWidth();

                             frame.dispose();

                             if (toolTipWidth != newToolTipWidth) {
                                 throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
                                         ", new: " + newToolTipWidth);
                             }
                         }
                     });
                 } catch (Exception e) {
                     throw new RuntimeException(e);
                 }

             }
         });

         thread.start();
         thread.join();
     }

     private static Component getTipWindow() {
         try {
             Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");

             tipWindowField.setAccessible(true);

             Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());

             Field componentField = Popup.class.getDeclaredField("component");

             componentField.setAccessible(true);

             return (Component) componentField.get(value);
         } catch (Exception e) {
             throw new RuntimeException("getToolTipComponent failed", e);
         }
     }
 }
	/*
	* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* 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).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/* @test
	@bug 7004134
	@summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
	@author Pavel Porvatov
	*/

	import sun.awt.SunToolkit;

	import javax.swing.*;
	import java.awt.*;
	import java.awt.event.MouseEvent;
	import java.lang.reflect.Field;

	public class bug7004134 {
	private static volatile JFrame frame;

	private static volatile JLabel label;

	private static volatile int toolTipWidth;

	public static void main(String[] args) throws Exception {
	SwingUtilities.invokeAndWait(new Runnable() {
	public void run() {
	label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
	label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");

	frame = new JFrame();

	frame.add(label);
	frame.pack();
	frame.setVisible(true);

	ToolTipManager toolTipManager = ToolTipManager.sharedInstance();

	toolTipManager.setInitialDelay(0);
	toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
	}
	});

	Thread.sleep(500);

	SwingUtilities.invokeAndWait(new Runnable() {
	public void run() {
	toolTipWidth = getTipWindow().getWidth();

	frame.dispose();
	}
	});

	Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
	public void run() {
	SunToolkit.createNewAppContext();

	try {
	SwingUtilities.invokeAndWait(new Runnable() {
	public void run() {
	frame = new JFrame();

	frame.add(label);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.pack();
	frame.setVisible(true);

	ToolTipManager toolTipManager = ToolTipManager.sharedInstance();

	toolTipManager.setInitialDelay(0);
	toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
	}
	});

	Thread.sleep(500);

	SwingUtilities.invokeAndWait(new Runnable() {
	public void run() {
	int newToolTipWidth = getTipWindow().getWidth();

	frame.dispose();

	if (toolTipWidth != newToolTipWidth) {
	throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
	", new: " + newToolTipWidth);
	}
	}
	});
	} catch (Exception e) {
	throw new RuntimeException(e);
	}

	}
	});

	thread.start();
	thread.join();
	}

	private static Component getTipWindow() {
	try {
	Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");

	tipWindowField.setAccessible(true);

	Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());

	Field componentField = Popup.class.getDeclaredField("component");

	componentField.setAccessible(true);

	return (Component) componentField.get(value);
	} catch (Exception e) {
	throw new RuntimeException("getToolTipComponent failed", e);
	}
	}
	}