1 /*
   2  * Copyright (c) 2013, 2015, 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 8003424
  27  * @summary Testing UseCompressedClassPointers with CDS
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main CDSCompressedKPtrs
  32  */
  33 
  34 import jdk.test.lib.Platform;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 
  38 public class CDSCompressedKPtrs {
  39   public static void main(String[] args) throws Exception {
  40     ProcessBuilder pb;
  41     if (Platform.is64bit()) {
  42       pb = ProcessTools.createJavaProcessBuilder(
  43         "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",
  44         "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:dump");
  45       OutputAnalyzer output = new OutputAnalyzer(pb.start());
  46       try {
  47         output.shouldContain("Loading classes to share");
  48         output.shouldHaveExitValue(0);
  49 
  50         pb = ProcessTools.createJavaProcessBuilder(
  51           "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",
  52           "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:on", "-version");
  53         output = new OutputAnalyzer(pb.start());
  54         output.shouldContain("sharing");
  55         output.shouldHaveExitValue(0);
  56 
  57       } catch (RuntimeException e) {
  58         // Report 'passed' if CDS was turned off.
  59         output.shouldContain("Unable to use shared archive");
  60         output.shouldHaveExitValue(1);
  61       }
  62     }
  63   }
  64 }