1 /*
   2  * Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 8194044
  26  * @summary Test if Win32ShellFolder2 root folder object gets identified as such.
  27  * @requires os.family=="windows"
  28  * @modules java.desktop/sun.awt.shell
  29  * @run main FileSystemRootTest
  30 */
  31 
  32 import sun.awt.shell.ShellFolder;
  33 import javax.swing.filechooser.FileSystemView;
  34 import java.io.File;
  35 import java.util.stream.IntStream;
  36 
  37 public class FileSystemRootTest {
  38     public static void main(String[] args) throws Exception {
  39         FileSystemView fileSystemView = FileSystemView.getFileSystemView();
  40 
  41         IntStream.range(0, 50).forEach(i -> {
  42             /*This is the only way to get the Win32ShellFolder2 object, since it is
  43              *an internal class, which cannot be instantiated directly.
  44              *On windows, this returns "C:\Users\<user-name>\Documents"
  45              */
  46             File def = fileSystemView.getDefaultDirectory();
  47             File root = fileSystemView.getParentDirectory(
  48                             fileSystemView.getParentDirectory(
  49                                 fileSystemView.getParentDirectory(def)));
  50 
  51             if (! (root instanceof ShellFolder && ShellFolder.isFileSystemRoot(root))) {
  52                 throw new RuntimeException("Test failed: root drive reported as false");
  53             }
  54         });
  55     }
  56 }