1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 /*

    24  * @test

    25  * @key headful

    26  * @bug 7108280

    27  * @summary Verifies that getSelectedValuesList works fine without crash when

    28  *          the setSelectionInterval was called with indices outside the

    29  *          range of data present in DataModel

    30  * @run main GetSelectedValuesListTest

    31  */

    32 

    33 import javax.swing.SwingUtilities;

    34 import javax.swing.DefaultListModel;

    35 import javax.swing.JList;

    36 import javax.swing.ListSelectionModel;

    37 import java.util.Arrays;

    38 import java.util.Collections;

    39 import java.util.List;

    40 

    41 

    42 public class GetSelectedValuesListTest {

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

    44 

    45         SwingUtilities.invokeAndWait(new Runnable() {

    46             public void run() {

    47                 // Create a JList with 2 elements

    48                 DefaultListModel dlm = new DefaultListModel();

    49                 JList list = new JList<String>(dlm);

    50                 list.setSelectionMode(

    51                         ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

    52                 dlm.addElement("1");

    53                 dlm.addElement("2");

    54 

    55                 // Set the selection interval from 0-2 (3 elements instead

    56                 // of 2). The getSelectedValuesList should return the list of

    57                 // objects present in the list in the given interval

    58                 list.setSelectionInterval(0, 2);

    59                 checkSelection(list, List.of("1", "2"));

    60 

    61                 //here the selection interval is set greater than number of

    62                 // elements in list. This should return empty list

    63                 list.setSelectionInterval(4, 10);

    64                 checkSelection(list, Collections.emptyList());

    65 

    66                 // This will set the selection interval from 0 to 2 index.

    67                 // The getSelectedValuesList should return the list of

    68                 // objects present in the list in the given interval

    69                 list.getSelectionModel().setSelectionInterval(0, 2);

    70                 checkSelection(list, List.of("1", "2"));

    71             }

    72         });

    73     }

    74 

    75     static void checkSelection(JList list, List<String> selectionList)

    76             throws RuntimeException

    77     {

    78         List<String> listSelection = list.getSelectedValuesList();

    79         if (!listSelection.equals(selectionList)) {

    80             System.out.println("Expected: " + selectionList);

    81             System.out.println("Actual: " + listSelection);

    82             throw new RuntimeException("Wrong selection from " +

    83                     "getSelectedValuesList");

    84         }

    85 

    86         Object[] arraySelection = list.getSelectedValues();

    87         if (!Arrays.equals(arraySelection, selectionList.toArray())) {

    88             System.out.println("Expected: " + selectionList);

    89             System.out.println("Actual: " + Arrays.asList(arraySelection));

    90             throw new RuntimeException("Wrong selection from " +

    91                     "getSelectedValues");

    92         }

    93     }

    94 }