1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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  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).
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  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 = Files.createFile(dir.resolve("foo"));
  78         try {
  79             testAttributes(Files.getFileAttributeView(file, DosFileAttributeView.class));
  80 
  81             // Following tests use a symbolic link so skip if not supported
  82             if (!TestUtil.supportsLinks(dir))
  83                 return;
  84 
  85             Path link = dir.resolve("link");
  86             Files.createSymbolicLink(link, file);
  87 
  88             // test following links
  89             testAttributes(Files.getFileAttributeView(link, DosFileAttributeView.class));
  90 
  91             // test not following links
  92             try {
  93                 try {
  94                     testAttributes(Files
  95                         .getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS));
  96                 } catch (IOException x) {
  97                     // access to link attributes not supported
  98                     return;
  99                 }
 100 
 101                 // set all attributes on link
 102                 // run test on target of link (which leaves them all un-set)
 103                 // check that attributes of link remain all set
 104                 setAll(Files
 105                     .getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS), true);
 106                 testAttributes(Files
 107                     .getFileAttributeView(link, DosFileAttributeView.class));
 108                 DosFileAttributes attrs =
 109                     Files.getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS)
 110                          .readAttributes();
 111                 check(attrs.isReadOnly());
 112                 check(attrs.isHidden());
 113                 check(attrs.isArchive());
 114                 check(attrs.isSystem());
 115                 setAll(Files
 116                     .getFileAttributeView(link, 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(Files.getFileAttributeView(link, DosFileAttributeView.class), true);
 122                 testAttributes(Files
 123                     .getFileAttributeView(link, DosFileAttributeView.class, NOFOLLOW_LINKS));
 124                 attrs = Files.getFileAttributeView(link, DosFileAttributeView.class).readAttributes();
 125                 check(attrs.isReadOnly());
 126                 check(attrs.isHidden());
 127                 check(attrs.isArchive());
 128                 check(attrs.isSystem());
 129                 setAll(Files.getFileAttributeView(link, DosFileAttributeView.class), false);
 130             } finally {
 131                 TestUtil.deleteUnchecked(link);
 132             }
 133         } finally {
 134             TestUtil.deleteUnchecked(file);
 135         }
 136     }
 137 
 138     public static void main(String[] args) throws IOException {
 139         // create temporary directory to run tests
 140         Path dir = TestUtil.createTemporaryDirectory();
 141 
 142         try {
 143             // skip test if DOS file attributes not supported
 144             if (!Files.getFileStore(dir).supportsFileAttributeView("dos")) {
 145                 System.out.println("DOS file attribute not supported.");
 146                 return;
 147             }
 148             readWriteTests(dir);
 149         } finally {
 150             TestUtil.removeAll(dir);
 151         }
 152     }
 153 }