1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.api.recording.destination; 27 28 29 import static jdk.test.lib.Asserts.assertEquals; 30 31 import java.nio.file.Files; 32 import java.nio.file.Path; 33 import java.nio.file.Paths; 34 import java.util.List; 35 36 import jdk.jfr.Recording; 37 import jdk.jfr.consumer.RecordedEvent; 38 import jdk.jfr.consumer.RecordingFile; 39 import jdk.test.lib.Asserts; 40 import jdk.test.lib.jfr.SimpleEventHelper; 41 42 /** 43 * @test 44 * @summary Basic test for setDestination with disk=false 45 * @key jfr 46 * @requires vm.hasJFR 47 * @library /test/lib 48 * @run main/othervm jdk.jfr.api.recording.destination.TestDestToDiskFalse 49 */ 50 public class TestDestToDiskFalse { 51 52 public static void main(String[] args) throws Throwable { 53 final Path dest = Paths.get(".", "my.jfr"); 54 Recording r = new Recording(); 55 SimpleEventHelper.enable(r, true); 56 r.setToDisk(false); 57 r.setDestination(dest); 58 Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set destination"); 59 r.start(); 60 SimpleEventHelper.createEvent(0); 61 r.stop(); 62 63 // setToDisk(false) should not effect setDestination. 64 // We should still get a file when the recording stops. 65 Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest); 66 System.out.printf("File size=%d, getSize()=%d%n", Files.size(dest), r.getSize()); 67 Asserts.assertNotEquals(Files.size(dest), 0L, "File length 0. Should at least be some bytes"); 68 69 List<RecordedEvent> events = RecordingFile.readAllEvents(dest); 70 Asserts.assertFalse(events.isEmpty(), "No event found"); 71 System.out.printf("Found event %s%n", events.get(0).getEventType().getName()); 72 73 assertEquals(r.getSize(), 0L, "getSize() should return 0, chunks should have been released at stop"); 74 // getDestination() should return null after recording have been written to file. 75 Asserts.assertNull(r.getDestination(), "getDestination() should return null after file created"); 76 77 r.close(); 78 } 79 80 }