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