1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 4501660

    27  * @summary change diagnostic of -help as 'print this help message and exit'

    28  *            (actually, verify -help does not cause premature exit)

    29  */

    30 

    31 import java.io.*;

    32 import java.util.zip.*;

    33 

    34 public class T4501660 {

    35     public static void main(String[] args) throws Exception {

    36         new T4501660().run();

    37     }

    38 

    39     public void run() throws IOException {

    40         String testClasses = System.getProperty("test.classes", ".");

    41         String output = javap("-classpath", testClasses, "-help", "T4501660");

    42         verify(output,

    43                "-public", "-protected", "-private", // check -help output is present

    44                "class T4501660"                     // check class output is present

    45                );

    46 

    47         if (errors > 0)

    48             throw new Error(errors + " found.");

    49     }

    50 

    51     String javap(String... args) {

    52         StringWriter sw = new StringWriter();

    53         PrintWriter out = new PrintWriter(sw);

    54         //sun.tools.javap.Main.entry(args);

    55         int rc = com.sun.tools.javap.Main.run(args, out);

    56         if (rc != 0)

    57             throw new Error("javap failed. rc=" + rc);

    58         out.close();

    59         System.out.println(sw);

    60         return sw.toString();

    61     }

    62 

    63     void verify(String output, String... expects) {

    64         for (String expect: expects) {

    65             if (output.indexOf(expect)< 0)

    66                 error(expect + " not found");

    67         }

    68     }

    69 

    70     void error(String msg) {

    71         System.err.println(msg);

    72         errors++;

    73     }

    74 

    75     int errors;

    76 }