--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/api/flightrecorder/TestGetRecordings.java 2019-02-08 18:32:50.949643676 +0300 @@ -0,0 +1,85 @@ +/* + * 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.flightrecorder; + +import static jdk.test.lib.Asserts.assertEquals; +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; + +import java.util.List; + +import jdk.jfr.FlightRecorder; +import jdk.jfr.Recording; + +/** + * @test + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.flightrecorder.TestGetRecordings + */ +public class TestGetRecordings { + + public static void main(String[] args) throws Throwable { + FlightRecorder recorder = FlightRecorder.getFlightRecorder(); + + // Recording should be empty at start. + List recordings = recorder.getRecordings(); + assertTrue(recordings.isEmpty(), "recordings should be empty at start"); + + // Create first recording + Recording r1 = new Recording(); + recordings = recorder.getRecordings(); + assertEquals(recordings.size(), 1, "Expected 1 recording"); + assertTrue(recordings.contains(r1), "r1 should be in list"); + + // Create second recording + Recording r2 = new Recording(); + recordings = recorder.getRecordings(); + assertEquals(recordings.size(), 2, "Expected 2 recordings"); + assertTrue(recordings.contains(r2), "r2 should be in list"); + assertTrue(recordings.contains(r1), "r1 should still be in list"); + + // Close first recording + r1.close(); + recordings = recorder.getRecordings(); + assertEquals(recordings.size(), 1, "Expected 1 remaining recording"); + assertTrue(recordings.contains(r2), "r2 should still be in list"); + assertFalse(recordings.contains(r1), "r1 should be removed"); + + // Close second recording + r2.close(); + recordings = recorder.getRecordings(); + assertTrue(recordings.isEmpty(), "recordings should be empty after close"); + + // Create recording with new Recording() + Recording r3 = new Recording(); + recordings = recorder.getRecordings(); + assertTrue(recordings.contains(r3 ), "new Recording() should be in list"); + r3.close(); + } + +}