1 /*
   2  * Copyright (c) 2008, 2009, 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 4313887 6838333
  26  * @summary Unit test for java.nio.file.attribute.DosFileAttributeView
  27  * @library ../..
  28  */
  29 
  30 import java.nio.file.*;
  31 import static java.nio.file.LinkOption.*;
  32 import java.nio.file.attribute.*;
  33 import java.util.*;
  34 import java.io.IOException;
  35 
  36 public class Basic {
  37 
  38     static void check(boolean okay) {
  39         if (!okay)
  40             throw new RuntimeException("Test failed");
  41     }
  42 
  43     // exercise each setter/getter method, leaving all attributes unset
  44     static void testAttributes(DosFileAttributeView view) throws IOException {
  45         view.setReadOnly(true);
  46         check(view.readAttributes().isReadOnly());
  47         view.setReadOnly(false);
  48         check(!view.readAttributes().isReadOnly());
  49         view.setHidden(true);
  50         check(view.readAttributes().isHidden());
  51         view.setHidden(false);
  52         check(!view.readAttributes().isHidden());
  53         view.setArchive(true);
  54         check(view.readAttributes().isArchive());
  55         view.setArchive(false);
  56         check(!view.readAttributes().isArchive());
  57         view.setSystem(true);
  58         check(view.readAttributes().isSystem());
  59         view.setSystem(false);
  60         check(!view.readAttributes().isSystem());
  61     }
  62 
  63     // set the value of all attributes
  64     static void setAll(DosFileAttributeView view, boolean value)
  65         throws IOException
  66     {
  67         view.setReadOnly(value);
  68         view.setHidden(value);
  69         view.setArchive(value);
  70         view.setSystem(value);
  71     }
  72 
  73     // read and write FAT attributes
  74     static void readWriteTests(Path dir) throws IOException {
  75 
  76         // create "foo" and test that we can read/write each FAT attribute
  77         Path file = dir.resolve("foo");
  78         file.createFile();
  79         try {
  80             testAttributes(file
  81                 .getFileAttributeView(DosFileAttributeView.class));
  82 
  83             // Following tests use a symbolic link so skip if not supported
  84             if (!TestUtil.supportsLinks(dir))
  85                 return;
  86 
  87             Path link = dir.resolve("link").createSymbolicLink(file);
  88 
  89             // test following links
  90             testAttributes(link
  91                 .getFileAttributeView(DosFileAttributeView.class));
  92 
  93             // test not following links
  94             try {
  95                 try {
  96                     testAttributes(link
  97                         .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS));
  98                 } catch (IOException x) {
  99                     // access to link attributes not supported
 100                     return;
 101                 }
 102 
 103                 // set all attributes on link
 104                 // run test on target of link (which leaves them all un-set)
 105                 // check that attributes of link remain all set
 106                 setAll(link
 107                     .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS), true);
 108                 testAttributes(link
 109                     .getFileAttributeView(DosFileAttributeView.class));
 110                 DosFileAttributes attrs = Attributes.readDosFileAttributes(link, NOFOLLOW_LINKS);
 111                 check(attrs.isReadOnly());
 112                 check(attrs.isHidden());
 113                 check(attrs.isArchive());
 114                 check(attrs.isSystem());
 115                 setAll(link
 116                     .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS), false);
 117 
 118                 // set all attributes on target
 119                 // run test on link (which leaves them all un-set)
 120                 // check that attributes of target remain all set
 121                 setAll(link
 122                     .getFileAttributeView(DosFileAttributeView.class), true);
 123                 testAttributes(link
 124                     .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS));
 125                 attrs = Attributes.readDosFileAttributes(link);
 126                 check(attrs.isReadOnly());
 127                 check(attrs.isHidden());
 128                 check(attrs.isArchive());
 129                 check(attrs.isSystem());
 130                 setAll(link
 131                     .getFileAttributeView(DosFileAttributeView.class), false);
 132             } finally {
 133                 TestUtil.deleteUnchecked(link);
 134             }
 135         } finally {
 136             TestUtil.deleteUnchecked(file);
 137         }
 138     }
 139 
 140     public static void main(String[] args) throws IOException {
 141         // create temporary directory to run tests
 142         Path dir = TestUtil.createTemporaryDirectory();
 143 
 144         try {
 145             // skip test if DOS file attributes not supported
 146             if (!dir.getFileStore().supportsFileAttributeView("dos")) {
 147                 System.out.println("DOS file attribute not supported.");
 148                 return;
 149             }
 150             readWriteTests(dir);
 151         } finally {
 152             TestUtil.removeAll(dir);
 153         }
 154     }
 155 }