--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/tool/TestPrint.java 2020-01-30 06:37:56.095898746 +0000 @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2016, 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.tool; + +import java.io.FileWriter; +import java.nio.file.Files; +import java.nio.file.Path; + +import jdk.test.lib.Utils; +import jdk.test.lib.process.OutputAnalyzer; + +/** + * @test + * @summary Test jfr print + * @key jfr + * @library /lib / + * @run main/othervm jdk.jfr.tool.TestPrint + */ +public class TestPrint { + + public static void main(String[] args) throws Throwable { + + OutputAnalyzer output = ExecuteHelper.jfr("print"); + output.shouldContain("missing file"); + + output = ExecuteHelper.jfr("print", "missing.jfr"); + output.shouldContain("could not find file "); + + Path file = Utils.createTempFile("faked-print-file", ".jfr"); + FileWriter fw = new FileWriter(file.toFile()); + fw.write('d'); + fw.close(); + output = ExecuteHelper.jfr("print", "--wrongOption", file.toAbsolutePath().toString()); + output.shouldContain("unknown option"); + Files.delete(file); + } +}