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.
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   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
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  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
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  23 
  24 /*
  25  * @test
  26  * @bug 8003424
  27  * @summary Testing UseCompressedClassPointers with CDS
  28  * @library /testlibrary
  29  * @run main CDSCompressedKPtrs
  30  */
  31 
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class CDSCompressedKPtrs {
  35   public static void main(String[] args) throws Exception {
  36     ProcessBuilder pb;
  37     if (Platform.is64bit()) {
  38       pb = ProcessTools.createJavaProcessBuilder(
  39         "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",
  40         "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:dump");
  41       OutputAnalyzer output = new OutputAnalyzer(pb.start());
  42       try {
  43         output.shouldContain("Loading classes to share");
  44         output.shouldHaveExitValue(0);
  45 
  46         pb = ProcessTools.createJavaProcessBuilder(
  47           "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",
  48           "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:on", "-version");
  49         output = new OutputAnalyzer(pb.start());
  50         output.shouldContain("sharing");
  51         output.shouldHaveExitValue(0);
  52 
  53       } catch (RuntimeException e) {
  54         // Report 'passed' if CDS was turned off.
  55         output.shouldContain("Unable to use shared archive");
  56         output.shouldHaveExitValue(1);
  57       }
  58     }
  59   }
  60 }