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/*
 * @test
 * @bug 8003424
 * @summary Testing UseCompressedClassPointers with CDS
 * @library /testlibrary
 * @modules java.base/sun.misc
 *          java.management
 * @run main CDSCompressedKPtrs
 */

import jdk.test.lib.*;

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);
      }
    }
  }
}