--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/Scrollbar/ScrollbarMouseWheelTest/ScrollbarMouseWheelTest.java	Fri May 08 20:43:46 2015 +0300
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 1998, 2015, 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.
+ */
+
+import java.awt.*;
+import java.awt.event.*;
+
+/**
+ * @test
+ * @bug 4449139
+ * @summary test MouseWheelEvent generation by Scrollbar component
+ */
+public final class ScrollbarMouseWheelTest
+        implements MouseWheelListener, WindowListener {
+
+    final static String tk = Toolkit.getDefaultToolkit().getClass().getName();
+    final static int REPS = 5;
+    // There is a bug on Windows: 4616935.
+    // Wheel events comes to every component in the hierarchy so we should
+    // check a platform.
+    // There are two scrollbars within one Panel and both accept 5 clicks, so
+    // Panel would accept 5*2 clicks on Windows.
+    final static int PANEL_REPS = tk.equals("sun.awt.windows.WToolkit")? REPS * 2: REPS;
+
+    Scrollbar sb1;
+    Scrollbar sb2;
+    Panel pnl;
+    class Sema {
+        boolean flag;
+        boolean getVal() { return flag;}
+        void setVal(boolean b) { flag = b;}
+    }
+    Sema sema = new Sema();
+
+    Robot robot;
+
+    int sb1upevents, sb2upevents, pnlupevents;
+    int sb1downevents, sb2downevents, pnldownevents;
+
+    public static void main(final String[] args) {
+        new ScrollbarMouseWheelTest().test();
+    }
+
+    public void test() {
+        // Move mouse to upper-right area
+        try {
+            robot = new Robot();
+        } catch (AWTException e) {
+            System.out.println("Problem creating Robot.  FAIL.");
+            throw new RuntimeException("Problem creating Robot.  FAIL.");
+
+        }
+
+        robot.setAutoDelay(500);
+        robot.setAutoWaitForIdle(true);
+
+        // Show test Frame
+        Frame frame = new Frame("ScrollbarMouseWheelTest");
+        frame.addWindowListener(this);
+        pnl = new Panel();
+        pnl.setLayout(new GridLayout(1, 2));
+        pnl.addMouseWheelListener(this);
+        sb1 = new Scrollbar();
+        sb1.addMouseWheelListener(this);
+        pnl.add(sb1);
+        sb2 = new Scrollbar();
+        pnl.add(sb2);
+        frame.add(pnl);
+        frame.setSize(200, 400);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+        frame.toFront();
+
+        // When Frame is active, start testing (handled in windowActivated())
+        while (true) {
+            synchronized (sema) {
+                if (sema.getVal()) {
+                    break;
+                }
+            }
+        }
+        // up on sb1
+        testComp(sb1, true);
+        // down on sb1
+        testComp(sb1, false);
+        // up on sb2
+        testComp(sb2, true);
+        // down on sb2
+        testComp(sb2, false);
+        frame.dispose();
+        System.out.println("Test done.");
+        if (sb1upevents == REPS &&
+                sb2upevents == 0 &&
+                pnlupevents == PANEL_REPS &&
+                sb1downevents == REPS &&
+                sb2downevents == 0 &&
+                pnldownevents == PANEL_REPS) {
+            System.out.println("PASSED.");
+        } else {
+            System.out.println("Test Failed:" +
+                                       "\n\tsb1upevents =" + sb1upevents +
+                                       "\n\tsb2upevents = " + sb2upevents +
+                                       "\n\tpnlupevents = " + pnlupevents +
+                                       "\n\tsb1downevents =" + sb1downevents +
+                                       "\n\tsb2downevents = " + sb2downevents +
+                                       "\n\tpnldownevents = " + pnldownevents);
+            throw new RuntimeException("Test FAILED.");
+        }
+    }
+
+    public void testComp(Component comp, boolean up) {
+        Point loc = comp.getLocationOnScreen();
+        robot.mouseMove(loc.x + comp.getWidth() / 2,
+                        loc.y + comp.getHeight() / 2);
+        for (int loop = 0; loop < REPS; loop++) {
+            System.out.println("Robot.mouseWheel() on " + comp.getName());
+            robot.mouseWheel(up ? -1 : 1);
+        }
+    }
+
+    public void mouseWheelMoved(MouseWheelEvent mwe) {
+        Component src = mwe.getComponent();
+        System.out.println("mouseWheelMoved() on " + src.getName());
+        if (mwe.getWheelRotation() == -1) {
+            if (src == sb1) {
+                sb1upevents++;
+            } else if (src == sb2) {
+                sb2upevents++;
+            } else if (src == pnl) {
+                pnlupevents++;
+            } else {
+                System.out.println("weird source component");
+            }
+        } else if (mwe.getWheelRotation() == 1) {
+            if (src == sb1) {
+                sb1downevents++;
+            } else if (src == sb2) {
+                sb2downevents++;
+            } else if (src == pnl) {
+                pnldownevents++;
+            } else {
+                System.out.println("weird source component");
+            }
+        } else {
+            System.out.println("weird wheel rotation");
+        }
+    }
+
+    public void windowActivated(WindowEvent we) {
+        synchronized (sema) {
+            sema.setVal(true);
+        }
+    }
+
+    public void windowClosed(WindowEvent we) {}
+    public void windowClosing(WindowEvent we) {}
+    public void windowDeactivated(WindowEvent we) {}
+    public void windowDeiconified(WindowEvent we) {}
+    public void windowIconified(WindowEvent we) {}
+    public void windowOpened(WindowEvent we) {}
+}// class ScrollbarMouseWheelTest