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/*
* Copyright (c) 2013, 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.
*/
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
/*
* @test
* @bug 8013571
* @summary Tests null as a root of TreeModelEvent
* @author Sergey Malenkov
*/
public class Test8013571 extends DefaultTreeModel {
public static void main(String[] args) {
DefaultMutableTreeNode root = create("root");
root.add(create("colors", "blue", "violet", "red", "yellow"));
root.add(create("sports", "basketball", "soccer", "football", "hockey"));
root.add(create("food", "hot dogs", "pizza", "ravioli", "bananas"));
Test8013571 model = new Test8013571(root);
JTree tree = new JTree(model);
model.fireTreeChanged(tree);
}
private static DefaultMutableTreeNode create(String name, String... values) {
DefaultMutableTreeNode node = new DefaultMutableTreeNode(name);
for (String value : values) {
node.add(create(value));
}
return node;
}
private Test8013571(DefaultMutableTreeNode root) {
super(root);
}
private void fireTreeChanged(Object source) {
fireTreeNodesInserted(source, null, null, null);
fireTreeNodesChanged(source, null, null, null);
fireTreeNodesRemoved(source, null, null, null);
fireTreeStructureChanged(source, null, null, null);
}
}
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