test/jdk/javax/swing/JList/GetSelectedValuesListTest.java
changeset 49296 16596ba0b52c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/swing/JList/GetSelectedValuesListTest.java	Thu Mar 15 19:33:51 2018 +0530
@@ -0,0 +1,94 @@
+/*
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+/*
+ * @test
+ * @key headful
+ * @bug 7108280
+ * @summary Verifies that getSelectedValuesList works fine without crash when
+ *          the setSelectionInterval was called with indices outside the
+ *          range of data present in DataModel
+ * @run main GetSelectedValuesListTest
+ */
+
+import javax.swing.SwingUtilities;
+import javax.swing.DefaultListModel;
+import javax.swing.JList;
+import javax.swing.ListSelectionModel;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+
+public class GetSelectedValuesListTest {
+    public static void main(String[] args) throws Exception {
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                // Create a JList with 2 elements
+                DefaultListModel dlm = new DefaultListModel();
+                JList list = new JList<String>(dlm);
+                list.setSelectionMode(
+                        ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
+                dlm.addElement("1");
+                dlm.addElement("2");
+
+                // Set the selection interval from 0-2 (3 elements instead
+                // of 2). The getSelectedValuesList should return the list of
+                // objects present in the list in the given interval
+                list.setSelectionInterval(0, 2);
+                checkSelection(list, List.of("1", "2"));
+
+                //here the selection interval is set greater than number of
+                // elements in list. This should return empty list
+                list.setSelectionInterval(4, 10);
+                checkSelection(list, Collections.emptyList());
+
+                // This will set the selection interval from 0 to 2 index.
+                // The getSelectedValuesList should return the list of
+                // objects present in the list in the given interval
+                list.getSelectionModel().setSelectionInterval(0, 2);
+                checkSelection(list, List.of("1", "2"));
+            }
+        });
+    }
+
+    static void checkSelection(JList list, List<String> selectionList)
+            throws RuntimeException
+    {
+        List<String> listSelection = list.getSelectedValuesList();
+        if (!listSelection.equals(selectionList)) {
+            System.out.println("Expected: " + selectionList);
+            System.out.println("Actual: " + listSelection);
+            throw new RuntimeException("Wrong selection from " +
+                    "getSelectedValuesList");
+        }
+
+        Object[] arraySelection = list.getSelectedValues();
+        if (!Arrays.equals(arraySelection, selectionList.toArray())) {
+            System.out.println("Expected: " + selectionList);
+            System.out.println("Actual: " + Arrays.asList(arraySelection));
+            throw new RuntimeException("Wrong selection from " +
+                    "getSelectedValues");
+        }
+    }
+}