1 /*

     2  * Copyright (c) 2014, 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 CdsWriteError

    26  * @summary Test how VM handles situation when it is impossible to write the

    27  *          CDS archive. VM is expected to exit gracefully and display the

    28  *          correct reason for the error.

    29  * @library /testlibrary

    30  * @run main CdsWriteError

    31  * @bug 8032222

    32  */

    33 

    34 import com.oracle.java.testlibrary.*;

    35 import java.io.File;

    36 

    37 public class CdsWriteError {

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

    39 

    40         if (Platform.isWindows()) {

    41             System.out.println("This test is ignored on Windows. This test " +

    42                 "manipulates folder writable attribute, which is known to be " +

    43                 "often ignored by Windows");

    44 

    45             return;

    46         }

    47 

    48         // This test has been unstable for Mac OSx (see JDK-8032222)

    49         if (Platform.isOSX()) {

    50             System.out.println("This test is skipped on Mac");

    51             return;

    52         }

    53 

    54         String folderName = "tmp";

    55         String fileName = folderName + File.separator + "empty.jsa";

    56 

    57         // create an empty archive file and make it read only

    58         File folder = new File(folderName);

    59         if (!folder.mkdir())

    60             throw new RuntimeException("Error when creating a tmp folder");

    61 

    62         File cdsFile = new File(fileName);

    63         if (!cdsFile.createNewFile())

    64             throw new RuntimeException("Error when creating an empty CDS file");

    65         if (!cdsFile.setWritable(false))

    66             throw new RuntimeException("Error: could not set writable attribute on cds file");

    67         if (!folder.setWritable(false))

    68             throw new RuntimeException("Error: could not set writable attribute on the cds folder");

    69 

    70         try {

    71            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    72              "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./" + fileName, "-Xshare:dump");

    73 

    74             OutputAnalyzer output = new OutputAnalyzer(pb.start());

    75             output.shouldContain("Unable to create shared archive file");

    76             output.shouldHaveExitValue(1);

    77         } finally {

    78             // doing this, just in case, to make sure that files can be deleted by the harness

    79             // on any subsequent run

    80             folder.setWritable(true);

    81             cdsFile.setWritable(true);

    82         }

    83     }

    84 }

    85