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6938583: Unexpected NullPointerException by InputContext.endComposition()

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Reviewed-by: rupashka
This commit is contained in:
Charles Lee 2011-11-10 14:10:54 +04:00 committed by Pavel Porvatov
parent 248bde3e58
commit 2eda2d142d
2 changed files with 55 additions and 0 deletions
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4
jdk/src/share/classes/javax/swing/text/DefaultCaret.java
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@ -403,6 +403,10 @@ public class DefaultCaret extends Rectangle implements Caret, FocusListener, Mou
* @see MouseListener#mouseClicked
*/
public void mouseClicked(MouseEvent e) {
if (getComponent() == null) {
return;
}
int nclicks = SwingUtilities2.getAdjustedClickCount(getComponent(), e);
if (! e.isConsumed()) {

51
jdk/test/javax/swing/text/DefaultCaret/6938583/bug6938583.java Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (c) 2011 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.
*/
/*
* Portions Copyright (c) 2011 IBM Corporation
*/
/*
* @test
* @bug 6938583
* @summary Unexpected NullPointerException when use CodeIM demo on windows
* @author LittleE
*/
import javax.swing.*;
import javax.swing.text.DefaultCaret;
import java.awt.event.MouseEvent;
public class bug6938583 {
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
JTextArea jta = new JTextArea();
DefaultCaret dc = new DefaultCaret();
jta.setCaret(dc);
dc.deinstall(jta);
dc.mouseClicked(new MouseEvent(jta, MouseEvent.MOUSE_CLICKED, 0, 0, 0, 0, 0, false));
}
});
}
}