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.
87 lines
2.9 KiB
Java
87 lines
2.9 KiB
Java
/*
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* Copyright (c) 1998, 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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import java.awt.BorderLayout;
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import java.awt.GridLayout;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JTable;
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import javax.swing.table.AbstractTableModel;
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/*
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* @test
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* @bug 4226181
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* @summary Tests that JTable setModel() correctly re-sizes and counts columns
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4226181
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*/
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public class bug4226181 {
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private static final String INSTRUCTIONS = """
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Take a look at the table and remember the number of columns you see.
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Now press the "setModel" button. If the number of columns has changed,
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then test fails, otherwise it passes.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.instructions(INSTRUCTIONS)
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.columns(50)
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.testUI(bug4226181::createTestUI)
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.build()
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.awaitAndCheck();
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}
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static class TestModel extends AbstractTableModel {
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public int getRowCount() {
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return 5;
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}
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public int getColumnCount() {
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return 7;
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}
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public Object getValueAt(int row, int column) {
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return row + ":" + column;
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}
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}
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public static JFrame createTestUI() {
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JFrame frame = new JFrame("bug4226181");
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TestModel testModel = new TestModel();
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final JTable t = new JTable(testModel);
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JButton b = new JButton("setModel");
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b.addActionListener(ae -> t.setModel(new TestModel()));
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t.setCellSelectionEnabled(true);
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JPanel p1 = new JPanel(new GridLayout(1, 2));
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p1.add(new JLabel("dummy"));
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p1.add(t);
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frame.add(p1);
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frame.add(b, BorderLayout.SOUTH);
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frame.pack();
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return frame;
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}
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}
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