test/java/nio/file/Files/FileAttributes.java

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   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.Files
  27  * @library ..
  28  */
  29 
  30 import java.nio.file.*;
  31 import java.nio.file.attribute.*;
  32 import java.io.IOException;
  33 import java.util.*;
  34 import java.util.concurrent.TimeUnit;
  35 
  36 /**
  37  * Exercises getAttribute/setAttribute/readAttributes methods.
  38  */
  39 
  40 public class FileAttributes {
  41 
  42     static void assertTrue(boolean okay) {
  43         if (!okay)
  44             throw new RuntimeException("Assertion Failed");
  45     }


  77         FileTime modTime = attrs.lastModifiedTime();
  78         Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(0L));
  79         checkEqual(Files.getLastModifiedTime(file),
  80                    FileTime.fromMillis(0L));
  81         Files.setAttribute(file, "lastModifiedTime", modTime);
  82         checkEqual(Files.getLastModifiedTime(file), modTime);
  83 
  84         Map<String,Object> map;
  85         map = Files.readAttributes(file, "*");
  86         assertTrue(map.size() >= 9);
  87         checkEqual(attrs.isRegularFile(), map.get("isRegularFile")); // check one
  88 
  89         map = Files.readAttributes(file, "basic:*");
  90         assertTrue(map.size() >= 9);
  91         checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime")); // check one
  92 
  93         map = Files.readAttributes(file, "size,lastModifiedTime");
  94         assertTrue(map.size() == 2);
  95         checkEqual(attrs.size(), map.get("size"));
  96         checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));
  97 
  98         map = Files.readAttributes(file,
  99             "basic:lastModifiedTime,lastAccessTime,ShouldNotExist");
 100         assertTrue(map.size() == 2);
 101         checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));
 102         checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime"));
 103     }
 104 
 105     // Exercise getAttribute/setAttribute/readAttributes on posix attributes
 106     static void checkPosixAttributes(Path file, PosixFileAttributes attrs)
 107         throws IOException
 108     {
 109         checkBasicAttributes(file, attrs);
 110 
 111         // getAttribute
 112         checkEqual(attrs.permissions(), Files.getAttribute(file, "posix:permissions"));
 113         checkEqual(attrs.owner(), Files.getAttribute(file, "posix:owner"));
 114         checkEqual(attrs.group(), Files.getAttribute(file, "posix:group"));
 115 
 116         // setAttribute
 117         Set<PosixFilePermission> orig = attrs.permissions();
 118         Set<PosixFilePermission> newPerms = new HashSet<>(orig);
 119         newPerms.remove(PosixFilePermission.OTHERS_READ);
 120         newPerms.remove(PosixFilePermission.OTHERS_WRITE);
 121         newPerms.remove(PosixFilePermission.OTHERS_EXECUTE);
 122         Files.setAttribute(file, "posix:permissions", newPerms);
 123         checkEqual(Files.getPosixFilePermissions(file), newPerms);
 124         Files.setAttribute(file, "posix:permissions", orig);
 125         checkEqual(Files.getPosixFilePermissions(file), orig);
 126         Files.setAttribute(file, "posix:owner", attrs.owner());
 127         Files.setAttribute(file, "posix:group", attrs.group());
 128 
 129         // readAttributes
 130         Map<String,Object> map;
 131         map = Files.readAttributes(file, "posix:*");
 132         assertTrue(map.size() >= 12);
 133         checkEqual(attrs.permissions(), map.get("permissions")); // check one
 134 
 135         map = Files.readAttributes(file, "posix:size,owner,ShouldNotExist");
 136         assertTrue(map.size() == 2);
 137         checkEqual(attrs.size(), map.get("size"));
 138         checkEqual(attrs.owner(), map.get("owner"));
 139     }
 140 
 141     // Exercise getAttribute/readAttributes on unix attributes
 142     static void checkUnixAttributes(Path file) throws IOException {
 143         // getAttribute
 144         int mode = (Integer)Files.getAttribute(file, "unix:mode");
 145         long ino = (Long)Files.getAttribute(file, "unix:ino");
 146         long dev = (Long)Files.getAttribute(file, "unix:dev");
 147         long rdev = (Long)Files.getAttribute(file, "unix:rdev");
 148         int nlink = (Integer)Files.getAttribute(file, "unix:nlink");
 149         int uid = (Integer)Files.getAttribute(file, "unix:uid");
 150         int gid = (Integer)Files.getAttribute(file, "unix:gid");
 151         FileTime ctime = (FileTime)Files.getAttribute(file, "unix:ctime");
 152 
 153         // readAttributes
 154         Map<String,Object> map;
 155         map = Files.readAttributes(file, "unix:*");
 156         assertTrue(map.size() >= 20);
 157 
 158         map = Files.readAttributes(file, "unix:size,uid,gid,ShouldNotExist");
 159         assertTrue(map.size() == 3);
 160         checkEqual(map.get("size"),
 161                    Files.readAttributes(file, BasicFileAttributes.class).size());
 162     }
 163 
 164     // Exercise getAttribute/setAttribute on dos attributes
 165     static void checkDosAttributes(Path file, DosFileAttributes attrs)
 166         throws IOException
 167     {
 168         checkBasicAttributes(file, attrs);
 169 
 170         // getAttribute
 171         checkEqual(attrs.isReadOnly(), Files.getAttribute(file, "dos:readonly"));
 172         checkEqual(attrs.isHidden(), Files.getAttribute(file, "dos:hidden"));
 173         checkEqual(attrs.isSystem(), Files.getAttribute(file, "dos:system"));
 174         checkEqual(attrs.isArchive(), Files.getAttribute(file, "dos:archive"));
 175 
 176         // setAttribute
 177         boolean value;
 178 


 189         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), value);
 190 
 191         value = attrs.isSystem();
 192         Files.setAttribute(file, "dos:system", !value);
 193         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), !value);
 194         Files.setAttribute(file, "dos:system", value);
 195         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), value);
 196 
 197         value = attrs.isArchive();
 198         Files.setAttribute(file, "dos:archive", !value);
 199         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), !value);
 200         Files.setAttribute(file, "dos:archive", value);
 201         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), value);
 202 
 203         // readAttributes
 204         Map<String,Object> map;
 205         map = Files.readAttributes(file, "dos:*");
 206         assertTrue(map.size() >= 13);
 207         checkEqual(attrs.isReadOnly(), map.get("readonly")); // check one
 208 
 209         map = Files.readAttributes(file, "dos:size,hidden,ShouldNotExist");
 210         assertTrue(map.size() == 2);
 211         checkEqual(attrs.size(), map.get("size"));
 212         checkEqual(attrs.isHidden(), map.get("hidden"));
 213     }
 214 























 215     static void miscTests(Path file) throws IOException {
 216         // NPE tests
 217         try {




























 218             Files.getAttribute(file, null);
 219             throw new RuntimeException("NullPointerException expected");
 220         } catch (NullPointerException npe) { }
 221         try {
 222             Files.getAttribute(file, "isRegularFile", (LinkOption[])null);
 223             throw new RuntimeException("NullPointerException expected");
 224         } catch (NullPointerException npe) { }
 225         try {
 226             Files.setAttribute(file, null, 0L);
 227             throw new RuntimeException("NullPointerException expected");
 228         } catch (NullPointerException npe) { }
 229     }
 230 
 231     static void doTests(Path dir) throws IOException {
 232         Path file = dir.resolve("foo");
 233         Files.createFile(file);
 234         FileStore store = Files.getFileStore(file);
 235         try {
 236             checkBasicAttributes(file,
 237                 Files.readAttributes(file, BasicFileAttributes.class));




   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 7017446
  26  * @summary Unit test for java.nio.file.Files
  27  * @library ..
  28  */
  29 
  30 import java.nio.file.*;
  31 import java.nio.file.attribute.*;
  32 import java.io.IOException;
  33 import java.util.*;
  34 import java.util.concurrent.TimeUnit;
  35 
  36 /**
  37  * Exercises getAttribute/setAttribute/readAttributes methods.
  38  */
  39 
  40 public class FileAttributes {
  41 
  42     static void assertTrue(boolean okay) {
  43         if (!okay)
  44             throw new RuntimeException("Assertion Failed");
  45     }


  77         FileTime modTime = attrs.lastModifiedTime();
  78         Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(0L));
  79         checkEqual(Files.getLastModifiedTime(file),
  80                    FileTime.fromMillis(0L));
  81         Files.setAttribute(file, "lastModifiedTime", modTime);
  82         checkEqual(Files.getLastModifiedTime(file), modTime);
  83 
  84         Map<String,Object> map;
  85         map = Files.readAttributes(file, "*");
  86         assertTrue(map.size() >= 9);
  87         checkEqual(attrs.isRegularFile(), map.get("isRegularFile")); // check one
  88 
  89         map = Files.readAttributes(file, "basic:*");
  90         assertTrue(map.size() >= 9);
  91         checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime")); // check one
  92 
  93         map = Files.readAttributes(file, "size,lastModifiedTime");
  94         assertTrue(map.size() == 2);
  95         checkEqual(attrs.size(), map.get("size"));
  96         checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));






  97     }
  98 
  99     // Exercise getAttribute/setAttribute/readAttributes on posix attributes
 100     static void checkPosixAttributes(Path file, PosixFileAttributes attrs)
 101         throws IOException
 102     {
 103         checkBasicAttributes(file, attrs);
 104 
 105         // getAttribute
 106         checkEqual(attrs.permissions(), Files.getAttribute(file, "posix:permissions"));
 107         checkEqual(attrs.owner(), Files.getAttribute(file, "posix:owner"));
 108         checkEqual(attrs.group(), Files.getAttribute(file, "posix:group"));
 109 
 110         // setAttribute
 111         Set<PosixFilePermission> orig = attrs.permissions();
 112         Set<PosixFilePermission> newPerms = new HashSet<>(orig);
 113         newPerms.remove(PosixFilePermission.OTHERS_READ);
 114         newPerms.remove(PosixFilePermission.OTHERS_WRITE);
 115         newPerms.remove(PosixFilePermission.OTHERS_EXECUTE);
 116         Files.setAttribute(file, "posix:permissions", newPerms);
 117         checkEqual(Files.getPosixFilePermissions(file), newPerms);
 118         Files.setAttribute(file, "posix:permissions", orig);
 119         checkEqual(Files.getPosixFilePermissions(file), orig);
 120         Files.setAttribute(file, "posix:owner", attrs.owner());
 121         Files.setAttribute(file, "posix:group", attrs.group());
 122 
 123         // readAttributes
 124         Map<String,Object> map;
 125         map = Files.readAttributes(file, "posix:*");
 126         assertTrue(map.size() >= 12);
 127         checkEqual(attrs.permissions(), map.get("permissions")); // check one
 128 
 129         map = Files.readAttributes(file, "posix:size,owner");
 130         assertTrue(map.size() == 2);
 131         checkEqual(attrs.size(), map.get("size"));
 132         checkEqual(attrs.owner(), map.get("owner"));
 133     }
 134 
 135     // Exercise getAttribute/readAttributes on unix attributes
 136     static void checkUnixAttributes(Path file) throws IOException {
 137         // getAttribute
 138         int mode = (Integer)Files.getAttribute(file, "unix:mode");
 139         long ino = (Long)Files.getAttribute(file, "unix:ino");
 140         long dev = (Long)Files.getAttribute(file, "unix:dev");
 141         long rdev = (Long)Files.getAttribute(file, "unix:rdev");
 142         int nlink = (Integer)Files.getAttribute(file, "unix:nlink");
 143         int uid = (Integer)Files.getAttribute(file, "unix:uid");
 144         int gid = (Integer)Files.getAttribute(file, "unix:gid");
 145         FileTime ctime = (FileTime)Files.getAttribute(file, "unix:ctime");
 146 
 147         // readAttributes
 148         Map<String,Object> map;
 149         map = Files.readAttributes(file, "unix:*");
 150         assertTrue(map.size() >= 20);
 151 
 152         map = Files.readAttributes(file, "unix:size,uid,gid");
 153         assertTrue(map.size() == 3);
 154         checkEqual(map.get("size"),
 155                    Files.readAttributes(file, BasicFileAttributes.class).size());
 156     }
 157 
 158     // Exercise getAttribute/setAttribute on dos attributes
 159     static void checkDosAttributes(Path file, DosFileAttributes attrs)
 160         throws IOException
 161     {
 162         checkBasicAttributes(file, attrs);
 163 
 164         // getAttribute
 165         checkEqual(attrs.isReadOnly(), Files.getAttribute(file, "dos:readonly"));
 166         checkEqual(attrs.isHidden(), Files.getAttribute(file, "dos:hidden"));
 167         checkEqual(attrs.isSystem(), Files.getAttribute(file, "dos:system"));
 168         checkEqual(attrs.isArchive(), Files.getAttribute(file, "dos:archive"));
 169 
 170         // setAttribute
 171         boolean value;
 172 


 183         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), value);
 184 
 185         value = attrs.isSystem();
 186         Files.setAttribute(file, "dos:system", !value);
 187         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), !value);
 188         Files.setAttribute(file, "dos:system", value);
 189         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), value);
 190 
 191         value = attrs.isArchive();
 192         Files.setAttribute(file, "dos:archive", !value);
 193         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), !value);
 194         Files.setAttribute(file, "dos:archive", value);
 195         checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), value);
 196 
 197         // readAttributes
 198         Map<String,Object> map;
 199         map = Files.readAttributes(file, "dos:*");
 200         assertTrue(map.size() >= 13);
 201         checkEqual(attrs.isReadOnly(), map.get("readonly")); // check one
 202 
 203         map = Files.readAttributes(file, "dos:size,hidden");
 204         assertTrue(map.size() == 2);
 205         checkEqual(attrs.size(), map.get("size"));
 206         checkEqual(attrs.isHidden(), map.get("hidden"));
 207     }
 208 
 209     static void checkBadSet(Path file, String attribute, Object value)
 210         throws IOException
 211     {
 212         try {
 213             Files.setAttribute(file, attribute, 0);
 214             throw new RuntimeException("IllegalArgumentException expected");
 215         } catch (IllegalArgumentException ignore) { }
 216     }
 217 
 218     static void checkBadGet(Path file, String attribute) throws IOException {
 219         try {
 220             Files.getAttribute(file, attribute);
 221             throw new RuntimeException("IllegalArgumentException expected");
 222         } catch (IllegalArgumentException ignore) { }
 223     }
 224 
 225     static void checkBadRead(Path file, String attribute) throws IOException {
 226         try {
 227             Files.readAttributes(file, attribute);
 228             throw new RuntimeException("IllegalArgumentException expected");
 229         } catch (IllegalArgumentException ignore) { }
 230     }
 231 
 232     static void miscTests(Path file) throws IOException {
 233         // unsupported views
 234         try {
 235             Files.setAttribute(file, "foo:bar", 0);
 236             throw new RuntimeException("UnsupportedOperationException expected");
 237         } catch (UnsupportedOperationException ignore) { }
 238         try {
 239             Files.getAttribute(file, "foo:bar");
 240             throw new RuntimeException("UnsupportedOperationException expected");
 241         } catch (UnsupportedOperationException ignore) { }
 242         try {
 243             Files.readAttributes(file, "foo:*");
 244             throw new RuntimeException("UnsupportedOperationException expected");
 245         } catch (UnsupportedOperationException ignore) { }
 246 
 247         // bad args
 248         checkBadSet(file, "", 0);
 249         checkBadSet(file, "basic:", 0);
 250         checkBadSet(file, "basic:foobar", 0);
 251         checkBadGet(file, "");
 252         checkBadGet(file, "basic:");
 253         checkBadGet(file, "basic:foobar");
 254         checkBadGet(file, "basic:size,lastModifiedTime");
 255         checkBadGet(file, "basic:*");
 256         checkBadRead(file, "");
 257         checkBadRead(file, "basic:");
 258         checkBadRead(file, "basic:foobar");
 259         checkBadRead(file, "basic:size,foobar");
 260 
 261         // nulls
 262         try {
 263             Files.getAttribute(file, null);
 264             throw new RuntimeException("NullPointerException expected");
 265         } catch (NullPointerException npe) { }
 266         try {
 267             Files.getAttribute(file, "isRegularFile", (LinkOption[])null);
 268             throw new RuntimeException("NullPointerException expected");
 269         } catch (NullPointerException npe) { }
 270         try {
 271             Files.setAttribute(file, null, 0L);
 272             throw new RuntimeException("NullPointerException expected");
 273         } catch (NullPointerException npe) { }
 274     }
 275 
 276     static void doTests(Path dir) throws IOException {
 277         Path file = dir.resolve("foo");
 278         Files.createFile(file);
 279         FileStore store = Files.getFileStore(file);
 280         try {
 281             checkBasicAttributes(file,
 282                 Files.readAttributes(file, BasicFileAttributes.class));