rev 48074 : 8189102: All tools should support -?, -h and --help
Reviewed-by: kvn, jjg, weijun, alanb, rfield, ksrini

   1 /*
   2  * Copyright (c) 2013, 2017, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import jdk.testlibrary.JDKToolLauncher;
  25 import jdk.testlibrary.OutputAnalyzer;
  26 import jdk.testlibrary.ProcessTools;
  27 
  28 /*
  29  * @test
  30  * @bug 4990825
  31  * @library /lib/testlibrary
  32  * @modules java.management
  33  * @build jdk.testlibrary.*
  34  * @run main TestJstatdUsage
  35  */
  36 public class TestJstatdUsage {
  37 
  38     public static void main(String[] args) throws Exception {

  39         testUsage("-?");
  40         testUsage("-h");
  41         testUsage("--help");
  42     }
  43 
  44     private static void testUsage(String option) throws Exception {
  45         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstatd");
  46         launcher.addToolArg(option);
  47         ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand());
  48         OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
  49 
  50         output.shouldContain("usage: jstatd [-nr] [-p port] [-n rminame]");
  51         output.shouldHaveExitValue(0);
  52     }
  53 
  54 }
--- EOF ---