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 }