16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package jdk.jfr.api.consumer;
  26 
  27 import java.util.List;
  28 
  29 import jdk.jfr.Recording;
  30 import jdk.jfr.consumer.RecordedEvent;
  31 import jdk.jfr.consumer.RecordedThreadGroup;
  32 import jdk.test.lib.Asserts;
  33 import jdk.test.lib.jfr.Events;
  34 import jdk.test.lib.jfr.SimpleEvent;
  35 
  36 /*
  37  * @test
  38  * @summary Tests getParent method in RecordedThreadGroup
  39  * @key jfr

  40  * @library /test/lib
  41  * @run main/othervm jdk.jfr.api.consumer.TestRecordedThreadGroupParent
  42  */
  43 public class TestRecordedThreadGroupParent {
  44 
  45     public static void main(String[] args) throws Exception {
  46         ThreadGroup beforeStartGroup = new ThreadGroup(new ThreadGroup(new ThreadGroup("Grandfather"), "Father"), "Son");
  47         Thread beforeThread = new Thread(beforeStartGroup, () -> new SimpleEvent().commit(), "Before Recording Start");
  48 
  49         try (Recording r = new Recording()) {
  50             r.enable(SimpleEvent.class).withoutStackTrace();
  51             r.start();
  52             beforeThread.start();
  53             ThreadGroup afterStartGroup = new ThreadGroup(new ThreadGroup(new ThreadGroup("Grandmother"), "Mother"), "Daughter");
  54             Thread afterThread = new Thread(afterStartGroup, () -> new SimpleEvent().commit(), "After Recording Start");
  55             afterThread.start();
  56 
  57             beforeThread.join();
  58             afterThread.join();
  59 

  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package jdk.jfr.api.consumer;
  26 
  27 import java.util.List;
  28 
  29 import jdk.jfr.Recording;
  30 import jdk.jfr.consumer.RecordedEvent;
  31 import jdk.jfr.consumer.RecordedThreadGroup;
  32 import jdk.test.lib.Asserts;
  33 import jdk.test.lib.jfr.Events;
  34 import jdk.test.lib.jfr.SimpleEvent;
  35 
  36 /**
  37  * @test
  38  * @summary Tests getParent method in RecordedThreadGroup
  39  * @key jfr
  40  * @requires vm.hasJFR
  41  * @library /test/lib
  42  * @run main/othervm jdk.jfr.api.consumer.TestRecordedThreadGroupParent
  43  */
  44 public class TestRecordedThreadGroupParent {
  45 
  46     public static void main(String[] args) throws Exception {
  47         ThreadGroup beforeStartGroup = new ThreadGroup(new ThreadGroup(new ThreadGroup("Grandfather"), "Father"), "Son");
  48         Thread beforeThread = new Thread(beforeStartGroup, () -> new SimpleEvent().commit(), "Before Recording Start");
  49 
  50         try (Recording r = new Recording()) {
  51             r.enable(SimpleEvent.class).withoutStackTrace();
  52             r.start();
  53             beforeThread.start();
  54             ThreadGroup afterStartGroup = new ThreadGroup(new ThreadGroup(new ThreadGroup("Grandmother"), "Mother"), "Daughter");
  55             Thread afterThread = new Thread(afterStartGroup, () -> new SimpleEvent().commit(), "After Recording Start");
  56             afterThread.start();
  57 
  58             beforeThread.join();
  59             afterThread.join();
  60