/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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package jdk.jfr.jvm;
import java.util.List;
import jdk.jfr.Event;
import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedClass;
import jdk.jfr.consumer.RecordedEvent;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.Events;
/**
* @ test TestPrimitiveClasses
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib
* @ run main / othervm jdk . jfr . jvm . TestPrimitiveClasses
*/
public class TestPrimitiveClasses {
private static class MyEvent extends Event {
Class <?> booleanClass = boolean .class ;
Class <?> charClass = char .class ;
Class <?> floatClass = float .class ;
Class <?> doubleClass = double .class ;
Class <?> byteClass = byte .class ;
Class <?> shortClass = short .class ;
Class <?> intClass = int .class ;
Class <?> longClass = long .class ;
Class <?> voidClass = void .class ;
}
public static void main(String[] args) throws Exception {
try (Recording r = new Recording()) {
r.enable(MyEvent.class );
r.start();
MyEvent myEvent = new MyEvent();
myEvent.commit();
r.stop();
List<RecordedEvent> events = Events.fromRecording(r);
Events.hasEvents(events);
RecordedEvent event = events.get(0 );
System.out.println(event);
testField(event, "booleanClass" , boolean .class );
testField(event, "charClass" , char .class );
testField(event, "floatClass" , float .class );
testField(event, "doubleClass" , double .class );
testField(event, "byteClass" , byte .class );
testField(event, "shortClass" , short .class );
testField(event, "intClass" , int .class );
testField(event, "longClass" , long .class );
testField(event, "voidClass" , void .class );
}
}
private static void testField(RecordedEvent event, String fieldName, Class <?> expected) {
Asserts.assertTrue(event.hasField(fieldName));
RecordedClass classField = event.getValue(fieldName);
Asserts.assertEquals(classField.getName(), expected.getName());
Asserts.assertEquals(classField.getClassLoader().getName(), "bootstrap" );
Asserts.assertEquals(classField.getModifiers(), expected.getModifiers());
}
}
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¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
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