| /* |
| * Copyright (c) 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.api.recording.misc; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import jdk.jfr.Recording; |
| import jdk.test.lib.Asserts; |
| |
| /* |
| * @test |
| * @summary Verify that each recording get unique a id |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.api.recording.misc.TestGetId |
| */ |
| public class TestGetId { |
| |
| public static void main(String[] args) throws Throwable { |
| Map<Long, Recording> recordings = new HashMap<>(); |
| |
| final int iterations = 100; |
| for (int i = 0; i < iterations; ++i) { |
| Recording newRecording = new Recording(); |
| System.out.println("created: " + newRecording.getId()); |
| Recording oldRecording = recordings.get(newRecording.getId()); |
| Asserts.assertNull(oldRecording, "Duplicate recording ID: " + newRecording.getId()); |
| recordings.put(newRecording.getId(), newRecording); |
| |
| if (i % 3 == 0) { |
| Recording closeRecording = recordings.remove(recordings.keySet().iterator().next()); |
| Asserts.assertNotNull(closeRecording, "Could not find recording in map. Test error."); |
| closeRecording.close(); |
| System.out.println("closed: " + closeRecording.getId()); |
| } |
| } |
| |
| for (Recording r : recordings.values()) { |
| r.close(); |
| } |
| } |
| |
| } |