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 /* @ignore JDK-8043896

    25  * @test LimitSharedSizes

    26  * @summary Test handling of limits on shared space size

    27  * @library /testlibrary

    28  * @run main LimitSharedSizes

    29  */

    30 

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

    32 

    33 public class LimitSharedSizes {

    34     private static class SharedSizeTestData {

    35         public String optionName;

    36         public String optionValue;

    37         public String expectedErrorMsg;

    38 

    39         public SharedSizeTestData(String name, String value, String msg) {

    40             optionName = name;

    41             optionValue = value;

    42             expectedErrorMsg = msg;

    43         }

    44     }

    45 

    46     private static final SharedSizeTestData[] testTable = {

    47         // values in this part of the test table should cause failure

    48         // (shared space sizes are deliberately too small)

    49         new SharedSizeTestData("-XX:SharedReadOnlySize", "4M",      "read only"),

    50         new SharedSizeTestData("-XX:SharedReadWriteSize","4M",      "read write"),

    51 

    52         // Known issue, JDK-8038422 (assert() on Windows)

    53         // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k",    "miscellaneous data"),

    54 

    55         // This will cause a VM crash; commenting out for now; see bug JDK-8038268

    56         // @ignore JDK-8038268

    57         // new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k",     "miscellaneous code"),

    58 

    59         // these values are larger than default ones, but should

    60         // be acceptable and not cause failure

    61         new SharedSizeTestData("-XX:SharedReadOnlySize",    "20M", null),

    62         new SharedSizeTestData("-XX:SharedReadWriteSize",   "20M", null),

    63         new SharedSizeTestData("-XX:SharedMiscDataSize",    "20M", null),

    64         new SharedSizeTestData("-XX:SharedMiscCodeSize",    "20M", null)

    65     };

    66 

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

    68         String fileName = "test.jsa";

    69 

    70         for (SharedSizeTestData td : testTable) {

    71             String option = td.optionName + "=" + td.optionValue;

    72             System.out.println("testing option <" + option + ">");

    73 

    74             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    75                "-XX:+UnlockDiagnosticVMOptions",

    76                "-XX:SharedArchiveFile=./" + fileName,

    77                option,

    78                "-Xshare:dump");

    79 

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

    81 

    82             if (td.expectedErrorMsg != null) {

    83                 output.shouldContain("The shared " + td.expectedErrorMsg

    84                     + " space is not large enough");

    85 

    86                 output.shouldHaveExitValue(2);

    87             } else {

    88                 output.shouldNotContain("space is not large enough");

    89                 output.shouldHaveExitValue(0);

    90             }

    91         }

    92     }

    93 }