--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/RepaintManager/6608456/bug6608456.java	Fri Jul 25 11:32:12 2008 -0400
@@ -0,0 +1,162 @@
+/*
+ * Copyright 2007 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 6608456
+ * @author Igor Kushnirskiy
+ * @summary tests if delegate RepaintManager gets invoked.
+ */
+
+import java.awt.*;
+import java.lang.reflect.Method;
+import java.util.concurrent.Callable;
+import java.util.concurrent.FutureTask;
+import java.util.concurrent.TimeUnit;
+
+import javax.swing.JComponent;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.RepaintManager;
+import javax.swing.SwingUtilities;
+
+
+
+public class bug6608456 {
+    private static final TestFuture testFuture = new TestFuture();
+    public static void main(String[] args) throws Exception {
+        final JComponent component = invokeAndWait(
+            new Callable<JComponent>() {
+                public JComponent call() throws Exception {
+                    RepaintManager.setCurrentManager(new TestRepaintManager());
+                    JFrame frame = new JFrame("test");
+                    frame.setLayout(new FlowLayout());
+                    JButton button = new JButton("default");
+
+                    frame.add(button);
+                    button = new JButton("delegate");
+                    if ( ! registerDelegate(
+                             button, new TestRepaintManager())) {
+                        return null;
+                    }
+                    frame.add(button);
+                    frame.pack();
+                    frame.setVisible(true);
+                    return button;
+                }
+            });
+        if (component == null) {
+            throw new RuntimeException("failed. can not register delegate");
+        }
+        blockTillDisplayed(component);
+        // trigger repaint for delegate RepaintManager
+        invokeAndWait(
+            new Callable<Void>() {
+                public Void call() {
+                    component.repaint();
+                    return null;
+                }
+        });
+        try {
+            if (testFuture.get(10, TimeUnit.SECONDS)) {
+                // passed
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("failed", e);
+        } finally {
+            JFrame frame = (JFrame) SwingUtilities
+                .getAncestorOfClass(JFrame.class, component);
+            if (frame != null) {
+                frame.dispose();
+            }
+        }
+    }
+    static class TestRepaintManager extends RepaintManager {
+        @Override
+        public void addDirtyRegion(JComponent c, int x, int y, int w, int h) {
+            if (RepaintManager.currentManager(c) == this) {
+                testFuture.defaultCalled();
+            } else {
+                testFuture.delegateCalled();
+            }
+            super.addDirtyRegion(c, x, y, w, h);
+        }
+    }
+    static class TestFuture extends FutureTask<Boolean> {
+        private volatile boolean defaultCalled = false;
+        private volatile boolean delegateCalled = false;
+        public TestFuture() {
+            super(new Callable<Boolean>() {
+                public Boolean call() {
+                    return null;
+                }
+            });
+        }
+        public void defaultCalled() {
+            defaultCalled = true;
+            updateState();
+        }
+        public void delegateCalled() {
+            delegateCalled = true;
+            updateState();
+        }
+        private void updateState() {
+            if (defaultCalled && delegateCalled) {
+                set(Boolean.TRUE);
+            }
+        }
+    }
+
+    private static boolean registerDelegate(JComponent c,
+            RepaintManager repaintManager) {
+        boolean rv = false;
+        try {
+            Class<?> clazz = Class.forName("com.sun.java.swing.SwingUtilities3");
+            Method method = clazz.getMethod("setDelegateRepaintManager",
+                JComponent.class, RepaintManager.class);
+            method.invoke(clazz, c, repaintManager);
+            rv = true;
+        } catch (Exception ignore) {
+        }
+        return rv;
+    }
+    static <T> T invokeAndWait(Callable<T> callable) throws Exception {
+        FutureTask<T> future = new FutureTask<T>(callable);
+        SwingUtilities.invokeLater(future);
+        return future.get();
+    }
+
+    public static void blockTillDisplayed(Component comp) {
+        Point p = null;
+        while (p == null) {
+            try {
+                p = comp.getLocationOnScreen();
+            } catch (IllegalStateException e) {
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException ie) {
+                }
+            }
+        }
+    }
+}