| /* |
| * 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<String, String> 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<String, String> 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<String, String> createInitialSystemProperties() { |
| Map<String, String> 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; |
| } |
| } |