--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/jdk/jfr/jvm/TestLogOutput.java 2019-02-08 18:33:54.159440829 +0300 @@ -0,0 +1,81 @@ +/* + * 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.jvm; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.List; + +/** + * @test TestLogOutput + * @key jfr + * @summary Sanity test jfr logging output + * + * @library /lib / + * @run main/othervm -Xlog:disable -Xlog:jfr*=trace:file=jfr_trace.txt -XX:StartFlightRecording=duration=1s,filename=recording.jfr jdk.jfr.jvm.TestLogOutput + */ +public class TestLogOutput { + public static void main(String[] args) throws Exception { + final String fileName = "jfr_trace.txt"; + final ListfindWhat = new ArrayList<>(); + findWhat.add("Starting a recording"); + findWhat.add("Flight Recorder initialized"); + boolean passed = false; + List matches = new ArrayList(findWhat); + + do { + List lines; + try { + lines = Files.readAllLines(Paths.get(fileName)); + } catch (IOException e) { + throw new Error(e); + } + for (String l : lines) { + for (String m : matches) { + if (l.toString().contains(m)) { + matches.remove(m); + break; + } + } + } + if (matches.size() < 1) { + passed = true; + break; + } + if (lines.size() > 100) { + break; /* did not find it */ + } + } while(!passed); + + if (!passed) { + throw new Error("Not found " + findWhat + " in stream"); + } + + System.out.println("PASSED"); + } +}