1 /* 2 * Copyright (c) 2013, 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.jmx; 27 28 import java.io.IOException; 29 30 import jdk.management.jfr.FlightRecorderMXBean; 31 import jdk.test.lib.Asserts; 32 import jdk.test.lib.jfr.SimpleEventHelper; 33 34 /** 35 * @test 36 * @key jfr 37 * @summary Call readStream() after closeStream() 38 * 39 * @library /lib / 40 * @run main/othervm jdk.jfr.jmx.TestStreamClosed 41 */ 42 public class TestStreamClosed { 43 public static void main(String[] args) throws Exception { 44 FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); 45 46 long recId = bean.newRecording(); 47 bean.startRecording(recId); 48 SimpleEventHelper.createEvent(1); 49 bean.stopRecording(recId); 50 51 long streamId = bean.openStream(recId, null); 52 bean.closeStream(streamId); 53 try { 54 bean.readStream(streamId); 55 Asserts.fail("No exception whean reading closed stream"); 56 } catch (IOException e) { 57 // Expected exception. 58 String msg = e.getMessage().toLowerCase(); 59 Asserts.assertTrue(msg.contains("stream") && msg.contains("closed"), "No 'stream closed' in " + msg); 60 } 61 bean.closeRecording(recId); 62 } 63 }