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 4131223 6470354
  26    @summary Basic test for isHidden method
  27  */
  28 
  29 import java.io.*;
  30 import java.nio.file.Files;
  31 import java.nio.file.attribute.DosFileAttributeView;
  32 
  33 public class IsHidden {
  34 
  35     private static String dir = System.getProperty("test.dir", ".");
  36 
  37     private static void ck(String path, boolean ans) throws Exception {
  38         File f = new File(path);
  39         boolean x = f.isHidden();
  40         if (x != ans)
  41             throw new Exception(path + ": expected " + ans + ", got " + x);
  42         System.err.println(path + " ==> " + x);
  43     }
  44 
  45     private static void setHidden(File f, boolean value) throws IOException {
  46         Files.getFileAttributeView(f.toPath(), DosFileAttributeView.class).setHidden(value);
  47     }
  48 
  49     private static void checkHidden(File f) {
  50         if (!f.isHidden())
  51             throw new RuntimeException(f + " should be hidden");
  52     }
  53 
  54     private static void testWin32() throws Exception {
  55         File f = new File(dir, "test");
  56         f.deleteOnExit();
  57         f.createNewFile();
  58         setHidden(f, true);
  59         try {
  60             ck(f.getPath(), true);
  61         } finally {
  62             setHidden(f, false);
  63         }
  64         ck(".foo", false);
  65         ck("foo", false);
  66 
  67         File pagefile = new File("C:\\pagefile.sys");
  68         File hiberfil = new File("C:\\hiberfil.sys");
  69         if (pagefile.exists()) checkHidden(pagefile);
  70         if (hiberfil.exists()) checkHidden(hiberfil);
  71     }
  72 
  73     private static void testUnix() throws Exception {
  74         ck(dir + "/IsHidden.java", false);
  75         ck(dir + "/.", true);
  76         ck(".", true);
  77         ck("..", true);
  78         ck(".foo", true);
  79         ck("foo", false);
  80         ck("", false);
  81     }
  82 
  83     public static void main(String[] args) throws Exception {
  84         if (File.separatorChar == '\\') testWin32();
  85         if (File.separatorChar == '/') testUnix();
  86     }
  87 
  88 }