1 /*
   2  * Copyright (c) 2010, 2015, 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 /*
  25  * @test
  26  * @bug 6893932 6990390
  27  * @summary javah help screen lists -h and -? but does not accept them
  28  * @modules jdk.compiler
  29  */
  30 
  31 import java.io.*;
  32 import java.util.*;
  33 
  34 public class TestHelpOpts {
  35     public static void main(String... args) throws Exception {
  36         new TestHelpOpts().run();
  37     }
  38 
  39     void run() throws Exception {
  40         Locale prev = Locale.getDefault();
  41         try {
  42             Locale.setDefault(Locale.ENGLISH);
  43 
  44             String[] opts = { "-h", "-help", "-?", "--help" };
  45             for (String opt: opts)
  46                 test(opt);
  47         } finally {
  48             Locale.setDefault(prev);
  49         }
  50 
  51         if (errors > 0)
  52             throw new Exception(errors + " errors occurred");
  53     }
  54 
  55     void test(String opt) {
  56         System.err.println("test " + opt);
  57         String[] args = { opt };
  58 
  59         StringWriter sw = new StringWriter();
  60         PrintWriter pw = new PrintWriter(sw);
  61         int rc = com.sun.tools.javah.Main.run(args, pw);
  62         pw.close();
  63         String out = sw.toString();
  64         if (!out.isEmpty())
  65             System.err.println(out);
  66         if (rc != 0)
  67             error("Unexpected exit: rc=" + rc);
  68 
  69         String flat = out.replaceAll("\\s+", " "); // canonicalize whitespace
  70         if (!flat.contains("Usage: javah [options] <classes> where [options] include:"))
  71             error("expected text not found");
  72         if (flat.contains("main.opt"))
  73             error("key not found in resource bundle: " + flat.replaceAll(".*(main.opt.[^ ]*).*", "$1"));
  74     }
  75 
  76     void error(String msg) {
  77         System.err.println(msg);
  78         errors++;
  79     }
  80 
  81     int errors;
  82 }