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 

    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 

    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 }