--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/SwingWorker/6480289/bug6480289.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,62 @@
+/*
+ * 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 6480289
+ * @author Igor Kushnirskiy
+ * @summary tests if consequent workers are executed on the same thread and that VM can exit.
+ */
+
+import java.util.*;
+import javax.swing.SwingWorker;
+
+public class bug6480289 {
+    private static final int ITERATIONS = 5;
+    private static final Map<Thread, Integer> threadMap =
+        Collections.synchronizedMap(new HashMap<Thread, Integer>());
+    public static void main(String[] args) throws Exception {
+
+        for (int i = 0; i < ITERATIONS; i++) {
+            if (i != 0) {
+                Thread.sleep(1000 * 5);
+            }
+            SwingWorker<?,?> worker =
+                new SwingWorker<Void, Void>() {
+                    @Override
+                    protected Void doInBackground() {
+                        Integer value = threadMap.get(Thread.currentThread());
+                        value = Integer.valueOf(
+                            ((value == null) ? 0 : value.intValue())
+                            + 1);
+                        threadMap.put(Thread.currentThread(), value);
+                        return null;
+                    }
+                };
+            worker.execute();
+        }
+        if (threadMap.keySet().size() != 1) {
+            throw new RuntimeException("failed. More than one thread.");
+        }
+    }
+}