8282857: Create a regression test for JDK-4702690

Backport-of: 8df5f1058fb7244b65fa67bff8fd5a5282d70594

test/jdk/javax/accessibility/JScrollPaneAccessibleRelationsTest.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2003, 2022, 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
+ * @bug 4702690
+ * @key headful
+ * @summary Make an automatic AccessibleRelation between
+ * JScrollBars and what they scroll (TP)
+ * @run main JScrollPaneAccessibleRelationsTest
+ */
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+
+import javax.accessibility.AccessibleRelation;
+import javax.swing.JFrame;
+import javax.swing.JScrollBar;
+import javax.swing.JScrollPane;
+import javax.swing.SwingUtilities;
+
+public class JScrollPaneAccessibleRelationsTest
+implements PropertyChangeListener {
+
+    private static JFrame jFrame;
+    private static JScrollPane jScrollPane;
+    private static JScrollBar horizontalScrollBar;
+    private static JScrollBar verticalScrollBar;
+
+    private static Object[] jScrollPaneTarget;
+    private static Object[] horizontalScrollBarTarget;
+    private static Object[] verticalScrollBarTarget;
+
+    public static void createGUI() {
+        jFrame = new JFrame();
+
+        jScrollPane = new JScrollPane();
+        horizontalScrollBar = jScrollPane.createHorizontalScrollBar();
+        verticalScrollBar = jScrollPane.createVerticalScrollBar();
+        jScrollPane.setHorizontalScrollBar(horizontalScrollBar);
+        jScrollPane.setVerticalScrollBar(verticalScrollBar);
+
+        jFrame.getContentPane().add(jScrollPane);
+    }
+
+    public static void doTest() throws Exception {
+        try {
+            SwingUtilities.invokeAndWait(() -> createGUI());
+
+            SwingUtilities.invokeAndWait(() -> jScrollPaneTarget =
+                jScrollPane.getAccessibleContext().getAccessibleRelationSet()
+                .get(AccessibleRelation.CONTROLLED_BY).getTarget());
+            SwingUtilities.invokeAndWait(
+                () -> horizontalScrollBarTarget = horizontalScrollBar
+                .getAccessibleContext().getAccessibleRelationSet()
+                .get(AccessibleRelation.CONTROLLER_FOR).getTarget());
+            SwingUtilities
+            .invokeAndWait(() -> verticalScrollBarTarget = verticalScrollBar
+            .getAccessibleContext().getAccessibleRelationSet()
+            .get(AccessibleRelation.CONTROLLER_FOR).getTarget());
+
+            if (!(jScrollPaneTarget[0] instanceof javax.swing.JScrollBar)) {
+                throw new RuntimeException("JScrollPane doesn't have "
+                    + "JScrollBar as target for CONTROLLED_BY");
+            }
+            if (!(jScrollPaneTarget[1] instanceof javax.swing.JScrollBar)) {
+                throw new RuntimeException("JScrollPane doesn't have "
+                    + "JScrollBar as target for CONTROLLED_BY");
+            }
+            if (!(horizontalScrollBarTarget[0] instanceof JScrollPane)) {
+                throw new RuntimeException("HorizontalScrollBar doesn't have "
+                    + "JScrollPane as target for CONTROLLER_FOR");
+            }
+            if (!(verticalScrollBarTarget[0] instanceof JScrollPane)) {
+                throw new RuntimeException("VerticalScrollBar doesn't have "
+                    + "JScrollPane as target for CONTROLLER_FOR");
+            }
+        } finally {
+            SwingUtilities.invokeAndWait(() -> jFrame.dispose());
+        }
+    }
+
+    public void propertyChange(PropertyChangeEvent e) {
+        if (!("AccessibleActiveDescendant".equals(e.getPropertyName()))) {
+            throw new RuntimeException(
+                "Active Descendant of JScrollBar has not changed");
+        }
+        if (!("AccessibleSelection".equals(e.getPropertyName()))) {
+            throw new RuntimeException(
+                "Accessible Selection of JScrollBar has not changed");
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        doTest();
+        System.out.println("Test Passed.");
+    }
+}
+