--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/event/runtime/TestClassLoadEvent.java 2018-04-09 18:26:03.242924118 +0200 @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2013, 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.event.runtime; + +import java.time.Duration; +import java.util.List; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedClass; +import jdk.jfr.consumer.RecordedClassLoader; +import jdk.jfr.consumer.RecordedEvent; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.EventNames; +import jdk.test.lib.jfr.Events; +import jdk.test.lib.jfr.TestClassLoader; + +/* + * @test + * @key jfr + * @library /test/lib /test/jdk + * @build jdk.jfr.event.runtime.TestClasses + * @run main/othervm jdk.jfr.event.runtime.TestClassLoadEvent + */ +public final class TestClassLoadEvent { + + private final static String TEST_CLASS_NAME = "jdk.jfr.event.runtime.TestClasses"; + private final static String BOOT_CLASS_LOADER_NAME = "boot"; + private final static String SEARCH_CLASS_NAME = "java.lang.Object"; + private final static String SEARCH_PACKAGE_NAME = "java/lang"; + private final static String SEARCH_MODULE_NAME = "java.base"; + private final static String EVENT_NAME = EventNames.ClassLoad; + + public static void main(String[] args) throws Throwable { + Recording recording = new Recording(); + recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0)); + TestClassLoader cl = new TestClassLoader(); + recording.start(); + cl.loadClass(TEST_CLASS_NAME); + recording.stop(); + + List events = Events.fromRecording(recording); + boolean isLoaded = false; + for (RecordedEvent event : events) { + RecordedClass loadedClass = event.getValue("loadedClass"); + if (SEARCH_CLASS_NAME.equals(loadedClass.getName())) { + System.out.println(event); + Events.assertClassPackage(loadedClass, SEARCH_PACKAGE_NAME); + Events.assertClassModule(loadedClass, SEARCH_MODULE_NAME); + RecordedClassLoader initiatingClassLoader = event.getValue("initiatingClassLoader"); + Asserts.assertEquals(cl.getClass().getName(), initiatingClassLoader.getType().getName(), + "Expected type " + cl.getClass().getName() + ", got type " + initiatingClassLoader.getType().getName()); + RecordedClassLoader definingClassLoader = loadedClass.getClassLoader(); + Asserts.assertEquals(BOOT_CLASS_LOADER_NAME, definingClassLoader.getName(), + "Expected boot loader to be the defining class loader"); + Asserts.assertNull(definingClassLoader.getType(), "boot loader should not have a type"); + isLoaded = true; + } + } + Asserts.assertTrue(isLoaded, "No class load event found for class " + SEARCH_CLASS_NAME); + } +}