AccessModifiers.java revision 2942:08092deced3f 
1/*
2 * Copyright (c) 2013, 2015, 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
29 */
30
31import java.io.*;
32import java.util.*;
33import java.lang.StringBuilder;
34
35public 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}
122