1 /*

     2  * Copyright (c) 2013, 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 8027530

    27  * @summary test -public, -protected, -package, -private options

    28  * @modules jdk.jdeps/com.sun.tools.javap

    29  */

    30 

    31 import java.io.*;

    32 import java.util.*;

    33 import java.lang.StringBuilder;

    34 

    35 public class AccessModifiers {

    36     public int errorCount;

    37     protected String protectedField;

    38     String packageField;

    39     private String privateField;

    40 

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

    42         new AccessModifiers().run();

    43     }

    44 

    45     private void run() throws Exception {

    46         List<String> pubMembers = new ArrayList<String>();

    47         pubMembers.add("public int errorCount");

    48         pubMembers.add("public AccessModifiers");

    49         pubMembers.add("public static void main");

    50 

    51         List<String> proMembers = new ArrayList<String>();

    52         proMembers.add("protected java.lang.String protectedField");

    53         proMembers.add("protected java.lang.String runJavap");

    54 

    55         List<String> pkgMembers = new ArrayList<String>();

    56         pkgMembers.add("java.lang.String packageField");

    57         pkgMembers.add("boolean verify");

    58         pkgMembers.add("void error");

    59 

    60         List<String> priMembers = new ArrayList<String>();

    61         priMembers.add("private java.lang.String privateField");

    62         priMembers.add("private void run() throws java.lang.Exception");

    63         priMembers.add("private void test");

    64 

    65         List<String> expectedList = new ArrayList<String>();

    66 

    67         expectedList.addAll(pubMembers);

    68         test("-public", expectedList);

    69 

    70         expectedList.addAll(proMembers);

    71         test("-protected", expectedList);

    72 

    73         expectedList.addAll(pkgMembers);

    74         test("-package", expectedList);

    75 

    76         expectedList.addAll(priMembers);

    77         test("-private", expectedList);

    78 

    79         if (errorCount > 0)

    80             throw new Exception(errorCount + " errors received");

    81     }

    82 

    83     private void test(String option, List<String> expectedStrs) throws Exception {

    84         String output = runJavap(0, option);

    85         if (verify(output, expectedStrs))

    86             System.out.println(option + " test passed");

    87     }

    88 

    89     protected String runJavap(int expect, String... options) {

    90         // convert the varargs to a list in order to add class name

    91         List<String> optlist = new ArrayList<String>();

    92         optlist.addAll(Arrays.asList(options));

    93         optlist.add("AccessModifiers");

    94         String[] newoptions = optlist.toArray(new String[optlist.size()]);

    95         StringWriter sw = new StringWriter();

    96         PrintWriter pw = new PrintWriter(sw);

    97         System.out.printf("\nRun javap " + optlist + "\n\n");

    98         int rc = com.sun.tools.javap.Main.run(newoptions, pw);

    99         pw.close();

   100         System.out.println(sw);

   101         if (rc != expect)

   102            throw new Error("Expect to return " + expect + ", but return " + rc);

   103         return sw.toString();

   104     }

   105 

   106     boolean verify(String output, List<String> expects) {

   107         boolean pass = true;

   108         for (String expect: expects) {

   109             if (!output.contains(expect)) {

   110                 error(expect + " not found");

   111                 pass = false;

   112             }

   113         }

   114         return pass;

   115     }

   116 

   117     void error(String msg) {

   118         System.err.println(msg);

   119         errorCount++;

   120     }

   121 }