1 /*
2  * Copyright (c) 2017, 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 /*
25  * @test
26  * @bug 6364894
27  * @requires (os.family == "windows")
28  * @library /test/lib
29  * @build jdk.test.lib.Asserts
30  * @run main FileOpenTest
31  * @summary Test to ensure that opening of hidden Vs non-hidden,
32  *          read/write Vs read-only files for writing works as expected.
33  */
34 
35 import java.io.File;
36 import java.io.IOException;
37 import java.io.FileOutputStream;
38 import java.nio.file.Files;
39 
40 import static jdk.test.lib.Asserts.assertTrue;
41 
42 public class FileOpenTest {
43 
44     private static File tmpFile;
45 
main(String args[])46     public static void main(String args[]) throws Exception {
47         try {
48             tmpFile = File.createTempFile("FileOpenTest", "suffix");
49 
50             // Opening Writable Normal File..
51             test(true);
52 
53             // Opening Writable Hidden File..
54             Files.setAttribute(tmpFile.toPath(), "dos:hidden", true);
55             test(false);
56 
57             // Opening Read-Only Hidden File..
58             Files.setAttribute(tmpFile.toPath(), "dos:hidden", false);
59             tmpFile.setReadOnly();
60             test(false);
61 
62             // Opening Read-Only Normal File..
63             Files.setAttribute(tmpFile.toPath(), "dos:hidden", true);
64             test(false);
65         } finally {
66             tmpFile.delete();
67         }
68     }
69 
test(boolean writable)70     private static void test(boolean writable) throws Exception {
71 
72         try (FileOutputStream fs = new FileOutputStream(tmpFile)) {
73             fs.write(1);
74             assertTrue(writable, "Able to open READ-ONLY file for WRITING!");
75             assertTrue(tmpFile.canWrite(), "Able to open READ-ONLY file for WRITING!");
76         } catch(IOException e) {
77             assertTrue(!writable, "Unable to open non-READ-ONLY file for WRITING!");
78             System.out.println("Caught the Exception as expected");
79             e.printStackTrace(System.out);
80         }
81     }
82 }
83