jdk8-mips64-public/langtools: test/tools/javap/T4876942.java@7708bd6d800d

4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini

     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  */

    24 /*

    25  * @test

    26  * @bug 4876942

    27  * @summary javap invoked without args does not print help screen

    28  */

    30 import java.io.*;

    31 import java.util.zip.*;

    33 public class T4876942 {

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

    35         new T4876942().run();

    36     }

    38     public void run() throws IOException {

    39         String output = javap();

    40         verify(output, "-public", "-protected", "-private"); // check that some of the options are listed

    42         if (errors > 0)

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

    44     }

    46     String javap(String... args) {

    47         StringWriter sw = new StringWriter();

    48         PrintWriter out = new PrintWriter(sw);

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

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

    51         if (rc != 0)

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

    53         out.close();

    54         return sw.toString();

    55     }

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

    58         for (String expect: expects) {

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

    60                 error(expect + " not found");

    61         }

    62     }

    64     void error(String msg) {

    65         System.err.println(msg);

    66         errors++;

    67     }

    69     int errors;

    70 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javap/T4876942.java@7708bd6d800d

test/tools/javap/T4876942.java