/*

 * Copyright (c) 2018, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/*

 * @test

 * @key headful

 * @bug 7007967

 * @summary Verifies that DefaultRowSorter updates its cache properly when the

 *           all the row are deleted and then new rows are added to the table

 * @run main DefaultRowSorterCacheTest

 */

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableRowSorter;

import javax.swing.SwingUtilities;

class CustomTableModel extends DefaultTableModel

{

    public CustomTableModel(Object[][] data, Object[] columnNames) {

        super(data, columnNames);

    }

    @Override

    public Class<?> getColumnClass(int columnIndex) {

        if (getRowCount() > 0) {

            return getValueAt(0, columnIndex).getClass();

        }

        return super.getColumnClass(columnIndex);

    }

}

public class DefaultRowSorterCacheTest {

    public void testSort() {

        Object[] values = new Object[]{1, 2, 10};

        Object[][] data = new Object[][]{{values[0]}, {values[1]}, {values[2]}};

        //Create custom table model

        DefaultTableModel model = new CustomTableModel(data, new Object[]{"A"});

        TableRowSorter<DefaultTableModel> rowSorter =

                new TableRowSorter<DefaultTableModel>(model);

        rowSorter.toggleSortOrder(0);

        for (int row = 0; row < model.getRowCount(); row++) {

            // values are in sorted ascending. so the row index and

            // view index from sorter should be same

            if (row != rowSorter.convertRowIndexToView(row)) {

                throw new RuntimeException("Wrong sorting before making any " +

                        "changes in test case");

            }

        }

        // clear model and notify sorter

        model.setRowCount(0);

        rowSorter.rowsDeleted(0, values.length - 1);

        // refill the model and notify sorter

        for (int i = 0; i < values.length; i++) {

            model.addRow(new Object[]{values[i]});

            rowSorter.rowsInserted(i, i);

        }

        for (int row = 0; row < model.getRowCount(); row++) {

            // values are in sorted ascending. so the row index and

            // view index from sorter should be same

            if (row != rowSorter.convertRowIndexToView(row)) {

                throw new RuntimeException("Wrong sorting at end of test case");

            }

        }

    }

    public static void main(String[] args) throws Exception{

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                new DefaultRowSorterCacheTest().testSort();

            }

        });

    }

}