--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/jmx/TestStreamClosed.java 2019-02-08 18:33:49.667597034 +0300 @@ -0,0 +1,63 @@ +/* + * 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.jmx; + +import java.io.IOException; + +import jdk.management.jfr.FlightRecorderMXBean; +import jdk.test.lib.Asserts; +import jdk.test.lib.jfr.SimpleEventHelper; + +/** + * @test + * @key jfr + * @summary Call readStream() after closeStream() + * + * @library /lib / + * @run main/othervm jdk.jfr.jmx.TestStreamClosed + */ +public class TestStreamClosed { + public static void main(String[] args) throws Exception { + FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); + + long recId = bean.newRecording(); + bean.startRecording(recId); + SimpleEventHelper.createEvent(1); + bean.stopRecording(recId); + + long streamId = bean.openStream(recId, null); + bean.closeStream(streamId); + try { + bean.readStream(streamId); + Asserts.fail("No exception whean reading closed stream"); + } catch (IOException e) { + // Expected exception. + String msg = e.getMessage().toLowerCase(); + Asserts.assertTrue(msg.contains("stream") && msg.contains("closed"), "No 'stream closed' in " + msg); + } + bean.closeRecording(recId); + } +}