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 
  26 package jdk.jfr.api.consumer;
  27 
  28 import java.util.List;
  29 
  30 import jdk.jfr.Description;
  31 import jdk.jfr.Event;
  32 import jdk.jfr.Recording;
  33 import jdk.jfr.consumer.RecordedEvent;
  34 import jdk.test.lib.Asserts;
  35 import jdk.test.lib.jfr.Events;
  36 
  37 /*
  38  * @test
  39  * @summary Verifies that a single JFR event is recorded as expected
  40  * @key jfr

  41  * @library /test/lib
  42  * @run main/othervm jdk.jfr.api.consumer.TestSingleRecordedEvent
  43  */
  44 public class TestSingleRecordedEvent {
  45 
  46     @Description("MyDescription")
  47     private static class MyEvent extends Event {
  48     }
  49 
  50     public static void main(String[] args) throws Throwable {
  51         Recording r = new Recording();
  52         r.start();
  53         // Commit a single event to the recording
  54         MyEvent event = new MyEvent();
  55         event.commit();
  56         r.stop();
  57         List<RecordedEvent> events = Events.fromRecording(r);
  58         Events.hasEvents(events);
  59 
  60         // Should be 1 event only

  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 
  26 package jdk.jfr.api.consumer;
  27 
  28 import java.util.List;
  29 
  30 import jdk.jfr.Description;
  31 import jdk.jfr.Event;
  32 import jdk.jfr.Recording;
  33 import jdk.jfr.consumer.RecordedEvent;
  34 import jdk.test.lib.Asserts;
  35 import jdk.test.lib.jfr.Events;
  36 
  37 /**
  38  * @test
  39  * @summary Verifies that a single JFR event is recorded as expected
  40  * @key jfr
  41  * @requires vm.hasJFR
  42  * @library /test/lib
  43  * @run main/othervm jdk.jfr.api.consumer.TestSingleRecordedEvent
  44  */
  45 public class TestSingleRecordedEvent {
  46 
  47     @Description("MyDescription")
  48     private static class MyEvent extends Event {
  49     }
  50 
  51     public static void main(String[] args) throws Throwable {
  52         Recording r = new Recording();
  53         r.start();
  54         // Commit a single event to the recording
  55         MyEvent event = new MyEvent();
  56         event.commit();
  57         r.stop();
  58         List<RecordedEvent> events = Events.fromRecording(r);
  59         Events.hasEvents(events);
  60 
  61         // Should be 1 event only