test/jdk/jdk/jfr/tool/TestHelp.java

/*
 * 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
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 */

package jdk.jfr.tool;

import jdk.test.lib.process.OutputAnalyzer;

/**
 * @test
 * @summary Test help
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib /test/jdk
 * @run main/othervm jdk.jfr.tool.TestHelp
 */
public class TestHelp {

    public static void main(String[] args) throws Throwable {
        OutputAnalyzer output = ExecuteHelper.jfr("help");
        output.shouldContain("print");
        output.shouldContain("assemble");
        output.shouldContain("disassemble");
        output.shouldContain("metadata");
        output.shouldContain("summary");
        output.shouldContain("help");

        output = ExecuteHelper.jfr("help", "version");
        output.shouldContain("Display version of the jfr tool");
        output.shouldContain("jfr version");

        output = ExecuteHelper.jfr("help", "wrongcommand");
        output.shouldContain("unknown command 'wrongcommand'");
    }
}