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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * @test
 * @summary Test that we see VM configs reported correctly in hs_err file
 * @library /test/lib
 * @requires vm.flagless
 * @requires vm.debug
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run driver TestVMConfigInHsErrFile
 */

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.io.File;
import java.util.ArrayList;
import java.util.regex.Pattern;

public class TestVMConfigInHsErrFile {

  public static void main(String[] args) throws Exception {
    testCompactObjectHeaders();
    testCompressedClassPointers();
  }

  private static void testCompactObjectHeaders() throws Exception {
    ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
        "-XX:+UnlockDiagnosticVMOptions",
        "-XX:+UnlockExperimentalVMOptions",
        "-XX:+UseCompactObjectHeaders",
        "-Xmx100M",
        "-XX:-CreateCoredumpOnCrash",
        "-XX:ErrorHandlerTest=14",
        "-version");

    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldNotHaveExitValue(0);

    // extract hs-err file
    File f = HsErrFileUtils.openHsErrFileFromOutput(output);

    Pattern[] expectedPatterns = new Pattern[] {
      Pattern.compile("# Java VM: .*compact obj headers.*")
    };
    Pattern[] notExpectedPatterns = new Pattern[] {
      Pattern.compile("# Java VM: .*compressed class ptrs.*")
    };

    HsErrFileUtils.checkHsErrFileContent(f, expectedPatterns, notExpectedPatterns, true, true);

  }

  private static void testCompressedClassPointers() throws Exception {
    ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
        "-XX:+UnlockDiagnosticVMOptions",
        "-XX:+UnlockExperimentalVMOptions",
        "-XX:-UseCompactObjectHeaders",
        "-XX:+UseCompressedClassPointers",
        "-Xmx100M",
        "-XX:-CreateCoredumpOnCrash",
        "-XX:ErrorHandlerTest=14",
        "-version");

    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldNotHaveExitValue(0);

    // extract hs-err file
    File f = HsErrFileUtils.openHsErrFileFromOutput(output);

    Pattern[] expectedPatterns = new Pattern[] {
      Pattern.compile("# Java VM: .*compressed class ptrs.*")
    };
    Pattern[] notExpectedPatterns = new Pattern[] {
      Pattern.compile("# Java VM: .*compact obj headers.*")
    };

    HsErrFileUtils.checkHsErrFileContent(f, expectedPatterns, notExpectedPatterns, true, true);

  }
}