67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/*
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* Copyright (c) 2012, 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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import java.awt.EventQueue;
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import java.awt.Rectangle;
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import java.awt.event.ActionEvent;
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import javax.swing.JTree;
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import javax.swing.plaf.basic.BasicTreeUI;
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import javax.swing.tree.TreePath;
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/* Originally reported as NetBeans bug 222081.
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*
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* @test
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* @bug 8003830
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* @summary NullPointerException in BasicTreeUI.Actions when getPathBounds returns null
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* @author Jaroslav Tulach
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* @run main bug8003830
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*/
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public class bug8003830 implements Runnable {
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public static void main(String[] args) throws Exception {
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EventQueue.invokeAndWait(new bug8003830());
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}
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@Override
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public void run() {
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testNPEAtActionsPage();
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}
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public void testNPEAtActionsPage() {
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JTree tree = new JTree();
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BasicTreeUI ui = new NullReturningTreeUI();
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tree.setUI(ui);
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BasicTreeUI.TreePageAction tpa = ui.new TreePageAction(0, "down");
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tpa.actionPerformed(new ActionEvent(tree, 0, ""));
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}
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private static final class NullReturningTreeUI extends BasicTreeUI {
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@Override
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public Rectangle getPathBounds(JTree tree, TreePath path) {
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// the method can return null and callers have to be ready for
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// that. Simulate the case by returning null for unknown reason.
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return null;
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}
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}
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}
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