/* * Copyright (c) 2015, 2019, 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.jcmd; import java.io.File; import jdk.testlibrary.jfr.FileHelper; import jdk.testlibrary.OutputAnalyzer; import jdk.testlibrary.jfr.JcmdAsserts; import jdk.testlibrary.jfr.JcmdHelper; /* * @test * @summary The test verifies that recording can be written to a file both with JFR.start and JFR.stop * @key jfr * @library /lib/testlibrary * @run main/othervm jdk.jfr.jcmd.TestJcmdSaveToFile */ public class TestJcmdSaveToFile { public static void main(String[] args) throws Exception { testStartAndSave(); testStopAndSave(); } private static void testStartAndSave() throws Exception { String name = "testStartAndSave"; File recording = new File(name + ".jfr"); OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name, "duration=1h", "filename=" + recording.getAbsolutePath()); JcmdAsserts.assertRecordingHasStarted(output); JcmdHelper.waitUntilRunning(name); JcmdHelper.stopAndCheck(name); FileHelper.verifyRecording(recording); } private static void testStopAndSave() throws Exception { String name = "testStopAndSave"; File recording = new File(name + ".jfr"); OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name); JcmdAsserts.assertRecordingHasStarted(output); JcmdHelper.waitUntilRunning(name); JcmdHelper.stopWriteToFileAndCheck(name, recording); FileHelper.verifyRecording(recording); } }