7105890: closed/javax/swing/JScrollBar/4708809/bug4708809.java deadlocks on MacOS

Reviewed-by: alexp

jdk/test/javax/swing/JScrollBar/4708809/bug4708809.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2011, 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 4708809
+ * @summary JScrollBar functionality slightly different from native scrollbar
+ * @author Andrey Pikalev
+ * @run main bug4708809
+ */
+import javax.swing.*;
+import java.awt.*;
+import java.awt.Point;
+import java.awt.event.*;
+import sun.awt.SunToolkit;
+
+public class bug4708809 {
+
+    private static volatile boolean do_test = false;
+    private static volatile boolean passed = true;
+    private static JScrollPane spane;
+    private static JScrollBar sbar;
+
+    public static void main(String[] args) throws Exception {
+        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+        Robot robot = new Robot();
+        robot.setAutoDelay(50);
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            public void run() {
+                createAndShowGUI();
+            }
+        });
+
+        toolkit.realSync();
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            public void run() {
+                spane.requestFocus();
+                sbar.setValue(sbar.getMaximum());
+            }
+        });
+
+        toolkit.realSync();
+
+        Point point = getClickPoint(0.5, 0.5);
+        robot.mouseMove(point.x, point.y);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+
+        toolkit.realSync();
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            public void run() {
+                final int oldValue = sbar.getValue();
+                sbar.addAdjustmentListener(new AdjustmentListener() {
+
+                    public void adjustmentValueChanged(AdjustmentEvent e) {
+                        if (e.getValue() >= oldValue) {
+                            passed = false;
+                        }
+                        do_test = true;
+                    }
+                });
+
+            }
+        });
+
+        toolkit.realSync();
+
+        point = getClickPoint(0.5, 0.2);
+        robot.mouseMove(point.x, point.y);
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        toolkit.realSync();
+
+        if (!do_test || !passed) {
+            throw new Exception("The scrollbar moved with incorrect direction");
+        }
+
+    }
+
+    private static Point getClickPoint(final double scaleX, final double scaleY) throws Exception {
+        final Point[] result = new Point[1];
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            @Override
+            public void run() {
+                Point p = sbar.getLocationOnScreen();
+                Rectangle rect = sbar.getBounds();
+                result[0] = new Point((int) (p.x + scaleX * rect.width),
+                        (int) (p.y + scaleY * rect.height));
+            }
+        });
+
+        return result[0];
+
+    }
+
+    private static void createAndShowGUI() {
+        JFrame fr = new JFrame("Test");
+
+        JLabel label = new JLabel("picture");
+        label.setPreferredSize(new Dimension(500, 500));
+        spane = new JScrollPane(label);
+        fr.getContentPane().add(spane);
+        sbar = spane.getVerticalScrollBar();
+
+        fr.setSize(200, 200);
+        fr.setVisible(true);
+    }
+}