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.cmd; 27 28 import jdk.test.lib.process.OutputAnalyzer; 29 30 /** 31 * @test 32 * @summary Test help 33 * @key jfr 34 * @requires vm.hasJFR 35 * @library /test/lib /test/jdk 36 * @run main/othervm jdk.jfr.cmd.TestHelp 37 */ 38 public class TestHelp { 39 40 public static void main(String[] args) throws Exception { 41 OutputAnalyzer output = ExecuteHelper.run("help"); 42 output.shouldContain("Available commands are:"); 43 output.shouldContain("print"); 44 output.shouldContain("reconstruct"); 45 output.shouldContain("summary"); 46 output.shouldContain("help"); 47 48 output = ExecuteHelper.run("help", "help"); 49 output.shouldContain("Available commands are:"); 50 51 output = ExecuteHelper.run("help", "wrongcommand"); 52 output.shouldContain("Unknown command"); 53 54 output = ExecuteHelper.run("help", "wrongcommand", "wrongarguments"); 55 output.shouldContain("Too many arguments"); 56 } 57 }