1 /*

     2  * Copyright 2008-2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /* @test

    25  * @bug 6808647

    26  * @summary Checks that a DirectoryStream's iterator returns the expected

    27  *    path when opening a directory by specifying only the drive letter.

    28  * @library ..

    29  */

    30 

    31 import java.nio.file.*;

    32 import java.io.File;

    33 import java.io.IOException;

    34 

    35 public class DriveLetter {

    36 

    37     public static void main(String[] args) throws IOException {

    38         String os = System.getProperty("os.name");

    39         if (!os.startsWith("Windows")) {

    40             System.out.println("This is Windows specific test");

    41             return;

    42         }

    43         String here = System.getProperty("user.dir");

    44         if (here.length() < 2 || here.charAt(1) != ':')

    45             throw new RuntimeException("Unable to determine drive letter");

    46 

    47         // create temporary file in current directory

    48         File tempFile = File.createTempFile("foo", "tmp", new File(here));

    49         try {

    50             // we should expect C:foo.tmp to be returned by iterator

    51             String drive = here.substring(0, 2);

    52             Path expected = Paths.get(drive).resolve(tempFile.getName());

    53 

    54             boolean found = false;

    55             DirectoryStream<Path> stream = Paths.get(drive).newDirectoryStream();

    56             try {

    57                 for (Path file : stream) {

    58                     if (file.equals(expected)) {

    59                         found = true;

    60                         break;

    61                     }

    62                 }

    63             } finally {

    64                 stream.close();

    65             }

    66             if (!found)

    67                 throw new RuntimeException("Temporary file not found???");

    68 

    69         } finally {

    70             tempFile.delete();

    71         }

    72     }

    73 }