--- /dev/null	2009-08-28 00:18:48.855006940 +0400
+++ new/test/java/awt/Container/ValidateRoot/InvalidateMustRespectValidateRoots.java	2009-09-25 17:41:19.000000000 +0400
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+  @test
+  @bug 6852592
+  @summary invalidate() must stop when it encounters a validate root
+  @author anthony.petrov@sun.com
+  @run main InvalidateMustRespectValidateRoots
+*/
+
+import javax.swing.*;
+import java.awt.event.*;
+
+public class InvalidateMustRespectValidateRoots {
+    private static volatile JRootPane rootPane;
+
+    public static void main(String args[]) throws Exception {
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                // The JRootPane is a validate root. We'll check if
+                // invalidate() stops on the root pane, or goes further
+                // up to the frame.
+                JFrame frame = new JFrame();
+                final JButton button = new JButton();
+
+                frame.add(button);
+
+                // To enable running the test manually: use the Ctrl-Shift-F1
+                // to print the component hierarchy to the console
+                button.addActionListener(new ActionListener() {
+                    public void actionPerformed(ActionEvent ev) {
+                        if (button.isValid()) {
+                            button.invalidate();
+                        } else {
+                            button.revalidate();
+                        }
+                    }
+                });
+
+                rootPane = frame.getRootPane();
+
+                // Now the component hierarchy looks like:
+                // frame
+                // --> rootPane
+                //     --> layered pane
+                //         --> content pane
+                //             --> button
+
+                // Make all components valid first via showing the frame
+                // We have to make the frame visible. Otherwise revalidate() is
+                // useless (see RepaintManager.addInvalidComponent()).
+                frame.pack(); // To enable running this test manually
+                frame.setVisible(true);
+
+                if (!frame.isValid()) {
+                    throw new RuntimeException(
+                            "setVisible(true) failed to validate the frame");
+                }
+
+                // Now invalidate the button
+                button.invalidate();
+
+                // Check if the 'valid' status is what we expect it to be
+                if (rootPane.isValid()) {
+                    throw new RuntimeException(
+                            "invalidate() failed to invalidate the root pane");
+                }
+
+                if (!frame.isValid()) {
+                    throw new RuntimeException(
+                            "invalidate() invalidated the frame");
+                }
+
+                // Now validate the hierarchy again
+                button.revalidate();
+
+                // Now let the validation happen on the EDT
+            }
+        });
+
+        Thread.sleep(1000);
+
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                // Check if the root pane finally became valid
+                if (!rootPane.isValid()) {
+                    throw new RuntimeException(
+                            "revalidate() failed to validate the hierarchy");
+                }
+            }
+        });
+    }
+}