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
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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 
main(String[] args)41     public static void main(String[] args) throws Exception {
42         new AccessModifiers().run();
43     }
44 
run()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 
test(String option, List<String> expectedStrs)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 
runJavap(int expect, String... options)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 
verify(String output, List<String> expects)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 
error(String msg)117     void error(String msg) {
118         System.err.println(msg);
119         errorCount++;
120     }
121 }
122