jdk

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
}
122