22  * questions.
  23  */
  24 
  25 package gc.logging;
  26 
  27 import java.io.File;
  28 import java.net.URL;
  29 import java.net.URLClassLoader;
  30 import java.util.regex.Pattern;
  31 import java.util.regex.Matcher;
  32 
  33 import jdk.test.lib.Asserts;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import jdk.test.lib.process.ProcessTools;
  36 import sun.hotspot.WhiteBox;
  37 
  38 /*
  39  * @test TestMetaSpaceLog
  40  * @bug 8211123
  41  * @summary Ensure that the Metaspace is updated in the log
  42  * @requires vm.gc=="null"
  43  * @key gc
  44  * @library /test/lib
  45  * @modules java.base/jdk.internal.misc
  46  *          java.management
  47  *
  48  * @compile TestMetaSpaceLog.java
  49  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  50  * @run main gc.logging.TestMetaSpaceLog
  51  */
  52 
  53 public class TestMetaSpaceLog {
  54   private static Pattern metaSpaceRegexp;
  55 
  56   static {
  57     // Do this once here.
  58     metaSpaceRegexp = Pattern.compile(".*Metaspace: ([0-9]+).*->([0-9]+).*");
  59   }
  60 
  61   public static void main(String[] args) throws Exception {
  62     testMetaSpaceUpdate("UseParallelGC");

  22  * questions.
  23  */
  24 
  25 package gc.logging;
  26 
  27 import java.io.File;
  28 import java.net.URL;
  29 import java.net.URLClassLoader;
  30 import java.util.regex.Pattern;
  31 import java.util.regex.Matcher;
  32 
  33 import jdk.test.lib.Asserts;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import jdk.test.lib.process.ProcessTools;
  36 import sun.hotspot.WhiteBox;
  37 
  38 /*
  39  * @test TestMetaSpaceLog
  40  * @bug 8211123
  41  * @summary Ensure that the Metaspace is updated in the log
  42  * @requires vm.gc.Parallel & vm.gc.G1 & vm.gc.ConcMarkSweep & vm.gc.Serial
  43  * @key gc
  44  * @library /test/lib
  45  * @modules java.base/jdk.internal.misc
  46  *          java.management
  47  *
  48  * @compile TestMetaSpaceLog.java
  49  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  50  * @run main gc.logging.TestMetaSpaceLog
  51  */
  52 
  53 public class TestMetaSpaceLog {
  54   private static Pattern metaSpaceRegexp;
  55 
  56   static {
  57     // Do this once here.
  58     metaSpaceRegexp = Pattern.compile(".*Metaspace: ([0-9]+).*->([0-9]+).*");
  59   }
  60 
  61   public static void main(String[] args) throws Exception {
  62     testMetaSpaceUpdate("UseParallelGC");