82 lines
2.8 KiB
Java
82 lines
2.8 KiB
Java
/*
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* Copyright (c) 1999, 2023, 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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/* @test
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* @bug 4237370
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* @summary Tests that JTree calls TreeExpansionListener methods
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* after it has been updated due to expanded/collapsed event
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* @run main bug4237370
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*/
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import java.lang.reflect.InvocationTargetException;
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import javax.swing.JTree;
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import javax.swing.SwingUtilities;
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import javax.swing.event.TreeExpansionEvent;
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import javax.swing.event.TreeExpansionListener;
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import javax.swing.tree.DefaultMutableTreeNode;
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import javax.swing.tree.DefaultTreeModel;
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import javax.swing.tree.TreeModel;
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public class bug4237370 {
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static class TestTree extends JTree implements TreeExpansionListener {
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int[] testMap = {1, 2};
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int testIndex = 0;
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private void testRowCount() {
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int rows = getRowCount();
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if (rows != testMap[testIndex]) {
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throw new RuntimeException("Bad row count: reported " + rows +
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" instead of " + testMap[testIndex]);
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} else {
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testIndex++;
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}
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}
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public void treeExpanded(TreeExpansionEvent e) {
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testRowCount();
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}
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public void treeCollapsed(TreeExpansionEvent e) {
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testRowCount();
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}
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public TestTree() {
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super((TreeModel)null);
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DefaultMutableTreeNode top = new DefaultMutableTreeNode("Root");
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top.add(new DefaultMutableTreeNode("Sub 1"));
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setModel(new DefaultTreeModel(top));
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addTreeExpansionListener(this);
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}
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}
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException {
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SwingUtilities.invokeAndWait(() -> {
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TestTree tree = new TestTree();
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tree.collapseRow(0);
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tree.expandRow(0);
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});
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}
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}
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