CDSCompressedKPtrsError.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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/*
 * @test
 * @bug 8003424
 * @summary Test that cannot use CDS if UseCompressedClassPointers is turned off.
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main CDSCompressedKPtrsError
 */

import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class CDSCompressedKPtrsError {
  public static void main(String[] args) throws Exception {
    ProcessBuilder pb;
    String filename = "./CDSCompressedKPtrsError.jsa";

    if (Platform.is64bit()) {
      pb = ProcessTools.createJavaProcessBuilder(
        "-XX:+UseCompressedOops", "-XX:+UseCompressedClassPointers", "-XX:+UnlockDiagnosticVMOptions",
        "-XX:SharedArchiveFile=" + filename, "-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=" + filename, "-Xshare:on", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Unable to use shared archive");
        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(
          "-XX:-UseCompressedClassPointers", "-XX:+UseCompressedOops",
          "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=" + filename, "-Xshare:on", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Unable to use shared archive");
        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(
          "-XX:+UseCompressedClassPointers", "-XX:-UseCompressedOops",
          "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=" + filename, "-Xshare:on", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Unable to use shared archive");
        output.shouldHaveExitValue(0);

      } catch (RuntimeException e) {
        output.shouldContain("Unable to use shared archive");
        output.shouldHaveExitValue(1);
      }

      // Test bad options with -Xshare:dump.
      pb = ProcessTools.createJavaProcessBuilder(
        "-XX:-UseCompressedOops", "-XX:+UseCompressedClassPointers", "-XX:+UnlockDiagnosticVMOptions",
        "-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad1.jsa", "-Xshare:dump");
      output = new OutputAnalyzer(pb.start());
      output.shouldContain("Cannot dump shared archive");

      pb = ProcessTools.createJavaProcessBuilder(
        "-XX:+UseCompressedOops", "-XX:-UseCompressedClassPointers", "-XX:+UnlockDiagnosticVMOptions",
        "-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad2.jsa", "-Xshare:dump");
      output = new OutputAnalyzer(pb.start());
      output.shouldContain("Cannot dump shared archive");

      pb = ProcessTools.createJavaProcessBuilder(
        "-XX:-UseCompressedOops", "-XX:-UseCompressedClassPointers", "-XX:+UnlockDiagnosticVMOptions",
        "-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad3.jsa", "-Xshare:dump");
      output = new OutputAnalyzer(pb.start());
      output.shouldContain("Cannot dump shared archive");

    }
  }
}