1 /*
   2  * Copyright (c) 2013, 2018, 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 CdsDifferentCompactStrings
  26  * @summary CDS (class data sharing) requires the same -XX:[+-]CompactStrings
  27  *          setting between archive creation time and load time.
  28  * @requires vm.cds
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  */
  33 
  34 import jdk.test.lib.cds.CDSTestUtils;
  35 import jdk.test.lib.process.OutputAnalyzer;

  36 
  37 public class CdsDifferentCompactStrings {
  38     public static void main(String[] args) throws Exception {
  39         createAndLoadSharedArchive("+", "-");
  40         createAndLoadSharedArchive("-", "+");
  41     }
  42 
  43     private static void createAndLoadSharedArchive(String create, String load)
  44         throws Exception
  45     {
  46         String createCompactStringsArgument = "-XX:" + create + "CompactStrings";
  47         String loadCompactStringsArgument   = "-XX:" + load   + "CompactStrings";
  48 
  49         OutputAnalyzer out = CDSTestUtils.createArchive(createCompactStringsArgument);
  50         CDSTestUtils.checkDump(out);
  51 
  52         out = CDSTestUtils.runWithArchive(loadCompactStringsArgument);
  53         if (!CDSTestUtils.isUnableToMap(out)) {


  54             out.shouldMatch("The shared archive file's CompactStrings " +
  55                 "setting .* does not equal the current CompactStrings setting")
  56                 .shouldHaveExitValue(1);
  57         }
  58     }
  59 }
--- EOF ---