1 /* 2 * Copyright (c) 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.api.consumer; 27 28 import java.io.EOFException; 29 30 import jdk.jfr.Recording; 31 import jdk.jfr.consumer.RecordingFile; 32 import jdk.test.lib.Asserts; 33 import jdk.test.lib.jfr.Events; 34 import jdk.test.lib.jfr.SimpleEvent; 35 36 /** 37 * @test 38 * @summary Verifies that RecordingFile.readEvent() throws EOF when past the last record 39 * @key jfr 40 * 41 * @library /lib / 42 * @run main/othervm jdk.jfr.api.consumer.TestRecordingFileReadEventEof 43 */ 44 public class TestRecordingFileReadEventEof { 45 46 public static void main(String[] args) throws Throwable { 47 Recording r = new Recording(); 48 r.start(); 49 SimpleEvent t = new SimpleEvent(); 50 t.commit(); 51 r.stop(); 52 RecordingFile file = Events.copyTo(r); 53 r.close(); 54 file.readEvent(); 55 try { 56 file.readEvent(); 57 Asserts.fail("Expected EOFException not thrown"); 58 } catch (EOFException x) { 59 // OK, as expected 60 } 61 } 62 }