--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/JFileChooser/6868611/bug6868611.java	Tue Nov 17 16:01:09 2009 +0300
@@ -0,0 +1,93 @@
+/*
+ * 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 6868611
+   @summary FileSystemView throws NullPointerException
+   @author Pavel Porvatov
+   @run main bug6868611
+*/
+
+import javax.swing.*;
+import javax.swing.filechooser.FileSystemView;
+import java.io.File;
+
+public class bug6868611 {
+    private static final int COUNT = 1000;
+
+    public static void main(String[] args) throws Exception {
+        String tempDirProp = System.getProperty("java.io.tmpdir");
+
+        final String tempDir = tempDirProp == null || !new File(tempDirProp).isDirectory() ?
+            System.getProperty("user.home") : tempDirProp;
+
+        System.out.println("Temp directory: " + tempDir);
+
+        // Create 1000 files
+        for (int i = 0; i < 1000; i++) {
+            new File(tempDir, "temp" + i).createNewFile();
+        }
+
+        // Init default FileSystemView
+        SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                FileSystemView.getFileSystemView().getFiles(new File(tempDir), false);
+            }
+        });
+
+        for (int i = 0; i < COUNT; i++) {
+            Thread thread = new MyThread(tempDir);
+
+            thread.start();
+
+            Thread.sleep((long) (Math.random() * 100));
+
+            thread.interrupt();
+
+            if (i % 100 == 0) {
+                System.out.print("*");
+            }
+        }
+
+        System.out.println();
+
+        // Remove 1000 files
+        for (int i = 0; i < 1000; i++) {
+            new File(tempDir, "temp" + i).delete();
+        }
+    }
+
+    private static class MyThread extends Thread {
+        private final String dir;
+
+        private MyThread(String dir) {
+            this.dir = dir;
+        }
+
+        public void run() {
+            FileSystemView fileSystemView = FileSystemView.getFileSystemView();
+
+            fileSystemView.getFiles(new File(dir), false);
+        }
+    }
+}