russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
72 lines
2.6 KiB
Java
72 lines
2.6 KiB
Java
/*
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* Copyright (c) 1999, 2025, 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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/*
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* @test
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* @bug 4199472
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* @summary Tests that node changed for the root of the tree update the
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* structure.
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* @run main NodeChangedTest
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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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public class NodeChangedTest {
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public static void main(String[] args) {
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// Create 3 nodes
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final DefaultMutableTreeNode root = new DefaultMutableTreeNode("root",
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true);
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final DefaultMutableTreeNode child = new DefaultMutableTreeNode("child",
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true);
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final DefaultMutableTreeNode leaf = new DefaultMutableTreeNode("leaf",
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false);
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root.add(child);
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child.add(leaf);
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final JTree tree = new JTree(root);
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// Change the root node
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root.setUserObject("New root");
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((DefaultTreeModel) tree.getModel()).nodeChanged(root);
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// Check
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if (!root.getUserObject().toString().equals("New root")) {
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throw new RuntimeException("Failed changing root node for default model.");
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}
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// Change to large model
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tree.setLargeModel(true);
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tree.setRowHeight(20);
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root.setUserObject("root");
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tree.setModel(new DefaultTreeModel(root));
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root.setUserObject("New root");
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((DefaultTreeModel) tree.getModel()).nodeChanged(root);
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// Check again
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if (!root.getUserObject().toString().equals("New root")) {
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throw new RuntimeException("Failed changing root node for large model.");
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}
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}
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}
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