--- /dev/null	2013-02-26 17:16:58.251395135 +0400
+++ new/test/java/awt/Window/HiddenWindowSentEvents/HiddenWindowSentEvents.java	2013-02-27 17:23:01.275015169 +0400
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2011, 2013, 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
+ * @summary <rdar://problem/4475972> [JavaJDK16] Hidden windows still receive mouse events
+ * @summary com.apple.junit.java.awt.Window
+ * @library ../../regtesthelpers
+ * @build RobotUtilities VisibilityValidator Waypoint
+ * @run main HiddenWindowSentEvents
+ */
+
+import test.java.awt.regtesthelpers.RobotUtilities;
+import test.java.awt.regtesthelpers.VisibilityValidator;
+import test.java.awt.regtesthelpers.Waypoint;
+import junit.framework.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class HiddenWindowSentEvents extends TestCase {
+    private volatile boolean hiddenMouseEntered = false;
+    private Waypoint waypoint = new Waypoint();
+    private static final int TEH_SIZE = 200;
+    private static final int TEH_LOC = 50;
+    private static final int TEH_LOC_F2 = TEH_LOC + TEH_SIZE + 45; // location of f1 + size of f1 + random space
+
+    public void testHiddenEvents() throws Exception {
+        Frame f1 = new Frame("Hidden");
+        Frame f2 = new Frame("Not Hidden");
+
+        try {
+            f1.setLocation(TEH_LOC, TEH_LOC);
+            f1.setSize(TEH_SIZE, TEH_SIZE);
+            f1.addMouseListener(new MouseAdapter() { public void mouseEntered(MouseEvent e) {
+                hiddenMouseEntered = true;
+            }});
+
+            VisibilityValidator.setVisibleAndConfirm(f1);
+            f1.setVisible(false);
+
+            f2.setLocation(TEH_LOC_F2, TEH_LOC);
+            f2.setSize(TEH_SIZE, TEH_SIZE);
+            f2.addMouseListener(new MouseAdapter() { public void mouseEntered(MouseEvent e) {
+                waypoint.clear();
+            }});
+
+            VisibilityValidator.setVisibleAndConfirm(f2);
+
+            RobotUtilities.moveMouseTo(TEH_LOC_F2 + TEH_SIZE/2, TEH_LOC + TEH_SIZE/2); // f2
+            hiddenMouseEntered = false;
+            waypoint.reset();
+            RobotUtilities.moveMouseTo(TEH_LOC + TEH_SIZE/2, TEH_LOC + TEH_SIZE/2); // f1
+            RobotUtilities.moveMouseTo(TEH_LOC_F2 + TEH_SIZE/2, TEH_LOC + TEH_SIZE/2); // f2
+
+            waypoint.requireClear("Frame 2 didn't get a mouseEntered as expected");
+            assertFalse("Frame 1 got unexpected mouseEntered ", hiddenMouseEntered);
+
+        } finally {
+            f1.setVisible(false);
+            f1.dispose();
+            f1 = null;
+            f2.setVisible(false);
+            f2.dispose();
+            f2 = null;
+        }
+    }
+
+
+    public static Test suite() {
+        return new TestSuite(HiddenWindowSentEvents.class);
+    }
+
+    public static void main (String[] args) throws RuntimeException {
+        TestResult tr = junit.textui.TestRunner.run(suite());
+        if ((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
+            throw new RuntimeException("### FAILED: unexpected JUnit errors or failures.");
+        }
+    }
+
+}