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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/**

 * @test

 * @requires vm.cds

 * @bug 8003424

 * @summary Testing UseCompressedClassPointers with CDS

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @run main CDSCompressedKPtrs

 */

import jdk.test.lib.Platform;

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

public class CDSCompressedKPtrs {

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

    ProcessBuilder pb;

    if (Platform.is64bit()) {

      pb = ProcessTools.createJavaProcessBuilder(

        "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",

        "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:dump");

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

      try {

        output.shouldContain("Loading classes to share");

        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(

          "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops",

          "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:on", "-version");

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

        output.shouldContain("sharing");

        output.shouldHaveExitValue(0);

      } catch (RuntimeException e) {

        // Report 'passed' if CDS was turned off.

        output.shouldContain("Unable to use shared archive");

        output.shouldHaveExitValue(1);

      }

    }

  }

}