--- /dev/null 2017-11-09 09:38:01.297999907 +0100 +++ new/test/jdk/jdk/jfr/event/runtime/TestSystemPropertyEvent.java 2018-04-09 18:31:19.331344521 +0200 @@ -0,0 +1,111 @@ +/* + * 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.util.HashMap; +import java.util.Map; + +import jdk.jfr.Recording; +import jdk.jfr.consumer.RecordedEvent; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.EventNames; +import jdk.test.lib.jfr.Events; + +/* + * @test + * @key jfr + * @library /test/lib + * @run main/othervm jdk.jfr.event.runtime.TestSystemPropertyEvent + */ +public class TestSystemPropertyEvent { + + private final static String EVENT_NAME = EventNames.InitialSystemProperty; + + public static void main(String[] args) throws Throwable { + Map systemProps = createInitialSystemProperties(); + // Recording should only contain properties defined at JVM start. + // This property should not be included. + System.setProperty("party.pooper", "buh!"); + + Recording recording = new Recording(); + recording.enable(EVENT_NAME); + recording.start(); + recording.stop(); + + Map eventProps = new HashMap<>(); + for (RecordedEvent event : Events.fromRecording(recording)) { + String key = Events.assertField(event, "key").notEmpty().getValue(); + String value = Events.assertField(event, "value").notNull().getValue(); + if (!eventProps.containsKey(key)) { + // Event is received at both start and end of chunk. Only log first. + System.out.println("Event:" + event); + } + eventProps.put(key, value); + } + Asserts.assertGreaterThan(eventProps.size(), 4, "Should have at least 5 events"); + + // Value of System.properties may change. We can not expect all values in + // events and System.getProperties() to be equal. + // To do some verification of property values we require that at least one + // property with non-empty value is equal. + int countEqualAndNonEmpty = 0; + + String missingKeys = ""; + for (String key : eventProps.keySet()) { + if (!systemProps.containsKey(key)) { + missingKeys += key + " "; + continue; + } + if (isEqualAndNonEmpty(key, eventProps.get(key), systemProps.get(key))) { + countEqualAndNonEmpty++; + } + } + + if (!missingKeys.isEmpty()) { + Asserts.fail("Event properties not found in System.properties(): " + missingKeys); + } + Asserts.assertTrue(countEqualAndNonEmpty > 0, "No property had expected value"); + } + + private static boolean isEqualAndNonEmpty(String key, String eventValue, String systemValue) { + if (eventValue == null || systemValue == null || eventValue.isEmpty() || systemValue.isEmpty()) { + return false; + } + boolean isEquals = eventValue.equals(systemValue); + System.out.printf("eq=%b, key='%s', event='%s', system='%s'%n", isEquals, key, eventValue, systemValue); + return isEquals; + } + + private static Map createInitialSystemProperties() { + Map result = new HashMap<>(); + for (Object keyObject : System.getProperties().keySet()) { + String key = (String) keyObject; + result.put(key, System.getProperty(key)); + System.out.println("initialProp: " + key); + } + return result; + } +}