--- /dev/null 2018-06-17 23:18:20.806999507 +0800 +++ new/test/jdk/jfr/api/recording/misc/TestRecordingCopy.java 2019-01-29 11:02:12.117114365 +0800 @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2016, 2019, 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.recording.misc; + +import jdk.jfr.Recording; +import jdk.jfr.RecordingState; +import jdk.jfr.consumer.RecordedEvent; +import jdk.testlibrary.Asserts; +import jdk.testlibrary.jfr.Events; +import jdk.testlibrary.jfr.SimpleEvent; + +import java.util.List; + +/* + * @test + * @summary A simple test for Recording.copy() + * @key jfr + * @library /lib/testlibrary + * @run main/othervm jdk.jfr.api.recording.misc.TestRecordingCopy + */ +public class TestRecordingCopy { + + private static final int EVENT_ID = 1001; + + public static void main(String[] args) throws Exception { + + Recording original = new Recording(); + original.enable(SimpleEvent.class); + + Recording newCopy = original.copy(false); + Asserts.assertEquals(newCopy.getState(), RecordingState.NEW); + + Recording newStoppedCopy = original.copy(true); + Asserts.assertEquals(newStoppedCopy.getState(), RecordingState.NEW); + + original.start(); + + SimpleEvent ev = new SimpleEvent(); + ev.id = EVENT_ID; + ev.commit(); + + // Verify a stopped copy + Recording stoppedCopy = original.copy(true); + Asserts.assertEquals(stoppedCopy.getState(), RecordingState.STOPPED); + assertCopy(stoppedCopy, original); + + // Verify a running copy + Recording runningCopy = original.copy(false); + Asserts.assertEquals(runningCopy.getState(), RecordingState.RUNNING); + assertCopy(runningCopy, original); + + original.stop(); + + // Verify a stopped copy of a stopped + stoppedCopy = original.copy(true); + Asserts.assertEquals(stoppedCopy.getState(), RecordingState.STOPPED); + assertCopy(stoppedCopy, original); + + // Clean-up + original.close(); + runningCopy.stop(); + runningCopy.close(); + stoppedCopy.close(); + } + + /** + * Verifies the basic assertions about a copied record + */ + private static void assertCopy(Recording recording, Recording original) throws Exception { + + Asserts.assertFalse(recording.getId() == original.getId(), "id of a copied record should differ from that of the original"); + Asserts.assertFalse(recording.getName().equals(original.getName()), "name of a copied record should differ from that of the original"); + + Asserts.assertEquals(recording.getSettings(), original.getSettings()); + Asserts.assertEquals(recording.getStartTime(), original.getStartTime()); + Asserts.assertEquals(recording.getMaxSize(), original.getMaxSize()); + Asserts.assertEquals(recording.getMaxAge(), original.getMaxAge()); + Asserts.assertEquals(recording.isToDisk(), original.isToDisk()); + Asserts.assertEquals(recording.getDumpOnExit(), original.getDumpOnExit()); + + List recordedEvents = Events.fromRecording(recording); + Events.hasEvents(recordedEvents); + Asserts.assertEquals(1, recordedEvents.size(), "Expected exactly one event"); + + RecordedEvent re = recordedEvents.get(0); + Asserts.assertEquals(EVENT_ID, re.getValue("id")); + } + +}