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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 .
*
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*/
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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