jdk-sandbox: jdk/test/javax/swing/JLabel/7004134/bug7004134.java@1255eb81cc2f (annotated)

7960 440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	1	/*
9035 1255eb81cc2f 7033660: Update copyright year to 2011 on any files changed in 2011 ohair parents: 7960 diff changeset	2	* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
7960 440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	4	*
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	7	* published by the Free Software Foundation.
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	8	*
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	13	* accompanied this code).
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	14	*
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	18	*
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	21	* questions.
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	22	*/
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	23
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	24	/* @test
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	25	@bug 7004134
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	26	@summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	27	@author Pavel Porvatov
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	28	*/
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	29
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	30	import sun.awt.SunToolkit;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	31
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	32	import javax.swing.*;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	33	import java.awt.*;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	34	import java.awt.event.MouseEvent;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	35	import java.lang.reflect.Field;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	36
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	37	public class bug7004134 {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	38	private static volatile JFrame frame;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	39
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	40	private static volatile JLabel label;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	41
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	42	private static volatile int toolTipWidth;
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	43
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	44	public static void main(String[] args) throws Exception {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	45	SwingUtilities.invokeAndWait(new Runnable() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	46	public void run() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	47	label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	48	label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	49
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	50	frame = new JFrame();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	51
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	52	frame.add(label);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	53	frame.pack();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	54	frame.setVisible(true);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	55
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	56	ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	57
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	58	toolTipManager.setInitialDelay(0);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	59	toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	60	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	61	});
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	62
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	63	Thread.sleep(500);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	64
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	65	SwingUtilities.invokeAndWait(new Runnable() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	66	public void run() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	67	toolTipWidth = getTipWindow().getWidth();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	68
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	69	frame.dispose();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	70	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	71	});
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	72
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	73	Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	74	public void run() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	75	SunToolkit.createNewAppContext();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	76
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	77	try {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	78	SwingUtilities.invokeAndWait(new Runnable() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	79	public void run() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	80	frame = new JFrame();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	81
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	82	frame.add(label);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	83	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	84	frame.pack();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	85	frame.setVisible(true);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	86
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	87	ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	88
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	89	toolTipManager.setInitialDelay(0);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	90	toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	91	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	92	});
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	93
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	94	Thread.sleep(500);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	95
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	96	SwingUtilities.invokeAndWait(new Runnable() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	97	public void run() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	98	int newToolTipWidth = getTipWindow().getWidth();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	99
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	100	frame.dispose();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	101
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	102	if (toolTipWidth != newToolTipWidth) {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	103	throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	104	", new: " + newToolTipWidth);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	105	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	106	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	107	});
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	108	} catch (Exception e) {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	109	throw new RuntimeException(e);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	110	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	111
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	112	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	113	});
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	114
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	115	thread.start();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	116	thread.join();
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	117	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	118
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	119	private static Component getTipWindow() {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	120	try {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	121	Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	122
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	123	tipWindowField.setAccessible(true);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	124
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	125	Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	126
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	127	Field componentField = Popup.class.getDeclaredField("component");
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	128
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	129	componentField.setAccessible(true);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	130
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	131	return (Component) componentField.get(value);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	132	} catch (Exception e) {
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	133	throw new RuntimeException("getToolTipComponent failed", e);
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	134	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	135	}
440dbbdb5cbd 6990651: Regression: NPE when refreshing applet since 6u22-b01 rupashka parents: diff changeset	136	}

author	ohair
	Wed, 06 Apr 2011 22:06:11 -0700
changeset 9035	1255eb81cc2f
parent 7960	440dbbdb5cbd
child 9232	9e29d6359705
permissions	-rw-r--r--