1 /*
   2  * Copyright (c) 2016, 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.tool;
  27 
  28 import jdk.test.lib.process.OutputAnalyzer;
  29 
  30 /**
  31  * @test
  32  * @summary Test help
  33  * @key jfr
  34  * @library /lib /
  35  * @run main/othervm jdk.jfr.tool.TestHelp
  36  */
  37 public class TestHelp {
  38 
  39     public static void main(String[] args) throws Throwable {
  40         OutputAnalyzer output = ExecuteHelper.jfr("help");
  41         output.shouldContain("print");
  42         output.shouldContain("assemble");
  43         output.shouldContain("disassemble");
  44         output.shouldContain("metadata");
  45         output.shouldContain("summary");
  46         output.shouldContain("help");
  47 
  48         output = ExecuteHelper.jfr("help", "version");
  49         output.shouldContain("Display version of the jfr tool");
  50         output.shouldContain("jfr version");
  51 
  52         output = ExecuteHelper.jfr("help", "wrongcommand");
  53         output.shouldContain("unknown command 'wrongcommand'");
  54     }
  55 }