1 /*

     2  * Copyright 2004 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 5016938

    26  * @summary Test file operations with Unicode filenames

    27  * @author Martin Buchholz

    28  */

    29 

    30 import java.io.*;

    31 

    32 public class Unicode

    33 {

    34     static int fail = 0;

    35     static void fail(String msg) {

    36         fail++;

    37         System.err.println(msg);

    38     }

    39 

    40     static boolean creat(File f) throws Exception {

    41         try {

    42             FileOutputStream out = new FileOutputStream(f);

    43             out.write(new byte[]{'a', 'b', 'c'});

    44             out.close();

    45             // Check that the file we tried to create has the expected name

    46             return find(f);

    47         } catch (Exception e) {

    48             return false;

    49         }

    50     }

    51 

    52     static boolean find(File f) throws Exception {

    53         String fn = f.getPath();

    54         String[] fns = new File(".").list();

    55         for (int i = 0; i < fns.length; i++)

    56             if (fns[i].equals(fn))

    57                 return true;

    58         return false;

    59     }

    60 

    61     static void sanityCheck(File f) throws Exception {

    62         if (! f.exists())      fail("! f.exists()");

    63         if (  f.length() != 3) fail("  f.length() != 3");

    64         if (  f.isAbsolute())  fail("  f.isAbsolute()");

    65         if (! f.canRead())     fail("! f.canRead()");

    66         if (! f.canWrite())    fail("! f.canWrite()");

    67         if (  f.isHidden())    fail("  f.isHidden()");

    68         if (! f.isFile())      fail("! f.isFile()");

    69         if (  f.isDirectory()) fail("  f.isDirectory()");

    70     }

    71 

    72     public static void main(String [] args) throws Exception {

    73         final File f1 = new File("\u0411.tst");

    74         final File f2 = new File("\u0412.tst");

    75 

    76         try {

    77             if (! creat(f1))

    78                 // Couldn't create file with Unicode filename?

    79                 return;

    80 

    81             System.out.println("This system supports Unicode filenames!");

    82             sanityCheck(f1);

    83 

    84             f1.renameTo(f2);

    85             sanityCheck(f2);

    86             if (! f2.delete()) fail("! f2.delete()");

    87             if (  f2.exists()) fail("  f2.exists()");

    88             if (  f1.exists()) fail("  f1.exists()");

    89             if (  f1.delete()) fail("  f1.delete()");

    90 

    91             if (fail != 0) throw new Exception(fail + " failures");

    92         } finally {

    93             f1.delete();

    94             f2.delete();

    95         }

    96     }

    97 }