| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.api.event; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import jdk.jfr.Event; |
| import jdk.jfr.EventType; |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.Recording; |
| import jdk.jfr.Registered; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.Events; |
| |
| /* |
| * @test |
| * @summary Test enable/disable event and verify recording has expected events. |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.event.TestClinitRegistration |
| */ |
| |
| public class TestClinitRegistration { |
| |
| public static void main(String[] args) throws Exception { |
| // Test basic registration with or without auto registration |
| assertClinitRegister(AutoRegisteredEvent.class, true, false); |
| assertClinitRegister(NotAutoRegisterededEvent.class, false, false); |
| assertClinitRegister(AutoRegisteredUserClinit.class, true, true); |
| assertClinitRegister(NotAutoRegisteredUserClinit.class, false, true); |
| |
| // Test complex <clinit> |
| assertClinitRegister(ComplexClInit.class, true, true); |
| |
| // Test hierarchy |
| assertClinitRegister(DerivedClinit.class, true, true); |
| if (!isClinitExecuted(Base.class)) { |
| Asserts.fail("Expected <clinit> of base class to be executed"); |
| } |
| |
| // Test committed event in <clinit> |
| Recording r = new Recording(); |
| r.start(); |
| r.enable(EventInClinit.class); |
| triggerClinit(EventInClinit.class); |
| r.stop(); |
| hasEvent(r, EventInClinit.class.getName()); |
| } |
| |
| private static void assertClinitRegister(Class<? extends Event> eventClass, boolean shouldExist, boolean setsProperty) throws ClassNotFoundException { |
| String className = eventClass.getName(); |
| triggerClinit(eventClass); |
| boolean hasEventType = hasEventType(className); |
| boolean hasProperty = Boolean.getBoolean(className); |
| if (hasEventType && !shouldExist) { |
| Asserts.fail("Event class " + className + " should not be registered"); |
| } |
| if (!hasEventType && shouldExist) { |
| Asserts.fail("Event class " + className + " is not registered"); |
| } |
| if (setsProperty && !hasProperty) { |
| Asserts.fail("Expected clinit to be executed"); |
| } |
| if (!setsProperty && hasProperty) { |
| Asserts.fail("Property in clinit should not been set. Test bug?"); |
| } |
| } |
| |
| private static boolean hasEventType(String name) { |
| for (EventType type : FlightRecorder.getFlightRecorder().getEventTypes()) { |
| if (type.getName().equals(name)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static void triggerClinit(Class<?> clazz) throws ClassNotFoundException { |
| Class.forName(clazz.getName(), true, clazz.getClassLoader()); |
| } |
| |
| private static void setClinitExecuted(Class<? extends Event> eventClass) { |
| System.setProperty(eventClass.getName(), "true"); |
| } |
| |
| private static boolean isClinitExecuted(Class<? extends Event> eventClass) { |
| return "true".equals(System.getProperty(eventClass.getName(), "true")); |
| } |
| |
| static class AutoRegisteredEvent extends Event { |
| } |
| |
| @Registered(false) |
| static class NotAutoRegisterededEvent extends Event { |
| } |
| |
| static class AutoRegisteredUserClinit extends Event { |
| static { |
| setClinitExecuted(AutoRegisteredUserClinit.class); |
| } |
| } |
| |
| @Registered(false) |
| static class NotAutoRegisteredUserClinit extends Event { |
| static { |
| setClinitExecuted(NotAutoRegisteredUserClinit.class); |
| } |
| } |
| |
| static class Base extends Event { |
| static { |
| setClinitExecuted(Base.class); |
| } |
| } |
| |
| static class DerivedClinit extends Base { |
| static { |
| setClinitExecuted(DerivedClinit.class); |
| } |
| |
| @Deprecated |
| void myVoidMethod() { |
| } |
| } |
| |
| static class ComplexClInit extends Event { |
| static { |
| setClinitExecuted(ComplexClInit.class); |
| } |
| public static final long l = Long.parseLong("7"); |
| public static final int i = Integer.parseInt("7"); |
| public static final short s = Short.parseShort("7"); |
| public static final double d = Double.parseDouble("7"); |
| public static final float f = Float.parseFloat("7"); |
| public static final boolean b = Boolean.parseBoolean("true"); |
| public static final char c = (char) Integer.parseInt("48"); |
| public static final String text = "ioio".substring(2); |
| public static final int[] primitivArray = new int[] { 7, 4 }; |
| public static final Class<?> Object = ComplexClInit.class; |
| |
| static { |
| String text = ""; |
| long l = 56; |
| long i = 56; |
| if (i != l) { |
| throw new RuntimeException("unexpected result from comparison"); |
| } |
| if (!isClinitExecuted(ComplexClInit.class)) { |
| throw new RuntimeException("Expected clinit flag to be set" + text); |
| } |
| } |
| |
| static { |
| try { |
| throw new IllegalStateException("Exception"); |
| } catch (IllegalStateException ise) { |
| // as expected |
| } |
| } |
| } |
| |
| static class EventInClinit extends Event { |
| static { |
| EventInClinit eventInClinit = new EventInClinit(); |
| eventInClinit.commit(); |
| } |
| } |
| |
| public static void hasEvent(Recording r, String name) throws IOException { |
| List<RecordedEvent> events = Events.fromRecording(r); |
| Events.hasEvents(events); |
| |
| for (RecordedEvent event : events) { |
| if (event.getEventType().getName().equals(name)) { |
| return; |
| } |
| } |
| Asserts.fail("Missing event " + name + " in recording " + events.toString()); |
| } |
| } |