1 /*
   2  * Copyright (c) 1998, 2013, 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 4113217
  26    @summary Test File.isDirectory on block device
  27  */
  28 
  29 import java.io.*;
  30 import java.util.*;
  31 
  32 public class BlockIsDirectory {
  33     public static void main( String args[] ) throws Exception {
  34         String osname = System.getProperty("os.name");
  35         if (osname.equals("SunOS")) {
  36             File dir = new File("/dev/dsk");
  37             String dirList[] = dir.list();
  38 
  39             File aFile = new File( "/dev/dsk/" + dirList[0] );
  40 
  41             boolean result = aFile.isDirectory();
  42             if (result == true)
  43                 throw new RuntimeException(
  44                     "IsDirectory returns true for block device.");
  45         }
  46         if (osname.equals("Linux")) {
  47             File dir = new File("/dev/ide0");
  48             if (dir.exists()) {
  49                 boolean result = dir.isDirectory();
  50                 if (result == true)
  51                     throw new RuntimeException(
  52                         "IsDirectory returns true for block device.");
  53             }
  54             dir = new File("/dev/scd0");
  55             if (dir.exists()) {
  56                 boolean result = dir.isDirectory();
  57                 if (result == true)
  58                     throw new RuntimeException(
  59                         "IsDirectory returns true for block device.");
  60             }
  61         }
  62     }
  63 }