1 /*

     2  * Copyright (c) 2010, 2016, 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/com.sun.tools.javah

    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 }