diff --git a/jdk/test/javax/swing/JScrollBar/4865918/bug4865918.java b/jdk/test/javax/swing/JScrollBar/4865918/bug4865918.java
new file mode 100644
index 00000000000..8a1a8045fd7
--- /dev/null
+++ b/jdk/test/javax/swing/JScrollBar/4865918/bug4865918.java
@@ -0,0 +1,116 @@
+/*
+ * 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 4865918
+ * @summary REGRESSION:JCK1.4a-runtime api/javax_swing/interactive/JScrollBarTests.html#JScrollBar
+ * @author Andrey Pikalev
+ * @run main bug4865918
+ */
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+import sun.awt.SunToolkit;
+
+public class bug4865918 {
+
+    private static TestScrollBar sbar;
+
+    public static void main(String[] argv) throws Exception {
+        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            public void run() {
+                createAndShowGUI();
+            }
+        });
+
+        toolkit.realSync();
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+
+            @Override
+            public void run() {
+                sbar.pressMouse();
+            }
+        });
+
+        toolkit.realSync();
+
+        int value = getValue();
+
+        if (value != 9) {
+            throw new Error("The scrollbar block increment is incorect");
+        }
+    }
+
+    private static int getValue() throws Exception {
+        final int[] result = new int[1];
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+            @Override
+            public void run() {
+                result[0] = sbar.getValue();
+            }
+        });
+
+        return result[0];
+    }
+
+    private static void createAndShowGUI() {
+        JFrame frame = new JFrame("bug4865918");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        sbar = new TestScrollBar(JScrollBar.HORIZONTAL, -1, 10, -100, 100);
+        sbar.setPreferredSize(new Dimension(200, 20));
+        sbar.setBlockIncrement(10);
+
+        frame.getContentPane().add(sbar);
+        frame.pack();
+        frame.setVisible(true);
+
+    }
+
+    static class TestScrollBar extends JScrollBar {
+
+        public TestScrollBar(int orientation, int value, int extent,
+                int min, int max) {
+            super(orientation, value, extent, min, max);
+
+        }
+
+        public void pressMouse() {
+            MouseEvent me = new MouseEvent(sbar,
+                    MouseEvent.MOUSE_PRESSED,
+                    (new Date()).getTime(),
+                    MouseEvent.BUTTON1_MASK,
+                    3 * getWidth() / 4, getHeight() / 2,
+                    1, true);
+            processMouseEvent(me);
+        }
+    }
+}