--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/JPopupMenu/6495920/bug6495920.java	Fri Jul 09 19:42:17 2010 +0400
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2010, 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 6495920
+ * @summary Tests that if the JPopupMenu.setVisible method throws an exception,
+            interaction with GNOME is not crippled
+ * @author Sergey Malenkov
+ * @library ../..
+ */
+
+import sun.awt.AppContext;
+
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import java.lang.reflect.Field;
+import javax.swing.JFrame;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.SwingUtilities;
+import javax.swing.plaf.basic.BasicPopupMenuUI;
+
+public class bug6495920 implements Thread.UncaughtExceptionHandler {
+
+    public static void main(String[] args) throws Throwable {
+        SwingTest.start(bug6495920.class);
+    }
+
+    private static Robot robot;
+    private final JPanel panel;
+
+    public bug6495920(JFrame frame) {
+        JPopupMenu menu = new JPopupMenu() {
+            public void setVisible(boolean visible) {
+                super.setVisible(visible);
+                throw new AssertionError(visible ? "show popup" : "hide popup");
+            }
+        };
+        for (int i = 0; i < 10; i++) {
+            menu.add(new JMenuItem(String.valueOf(i)));
+        }
+        this.panel = new JPanel();
+        this.panel.setComponentPopupMenu(menu);
+        frame.add(this.panel);
+    }
+
+    public void firstShowPopup() throws Exception {
+        Point point = this.panel.getLocation();
+        SwingUtilities.convertPointToScreen(point, this.panel);
+
+        robot = new Robot(); // initialize shared static field first time
+        robot.mouseMove(point.x + 1, point.y + 1);
+        robot.mousePress(InputEvent.BUTTON3_MASK);
+        Thread.currentThread().setUncaughtExceptionHandler(this);
+        robot.mouseRelease(InputEvent.BUTTON3_MASK); // causes first AssertionError on EDT
+    }
+
+    public void secondHidePopup() {
+        Point point = this.panel.getLocation();
+        SwingUtilities.convertPointToScreen(point, this.panel);
+
+        robot.mouseMove(point.x - 1, point.y - 1);
+        Thread.currentThread().setUncaughtExceptionHandler(this);
+        robot.mousePress(InputEvent.BUTTON1_MASK); // causes second AssertionError on EDT
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+    }
+
+    public void thirdValidate() throws Exception {
+        Field key = BasicPopupMenuUI.class.getDeclaredField("MOUSE_GRABBER_KEY");
+        key.setAccessible(true);
+
+        Object grabber = AppContext.getAppContext().get(key.get(null));
+        if (grabber == null) {
+            throw new Exception("cannot find a mouse grabber in app's context");
+        }
+
+        Field field = grabber.getClass().getDeclaredField("grabbedWindow");
+        field.setAccessible(true);
+
+        Object window = field.get(grabber);
+        if (window != null) {
+            throw new Exception("interaction with GNOME is crippled");
+        }
+    }
+
+    public void uncaughtException(Thread thread, Throwable throwable) {
+        System.out.println(throwable);
+    }
+}