1 /*
2 * Copyright (c) 2008, 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 import java.io.*;
25 import java.util.*;
26
27 /*
28 * @test
29 * @bug 4501661
30 * @summary disallow mixing -public, -private, and -protected
31 * @modules jdk.compiler
32 */
33 public class T4501661 {
34 public static void main(String... args) throws Exception {
35 new T4501661().run();
36 }
37
38 void run() throws Exception {
39 File javaFile = writeTestFile();
40 File classFile = compileTestFile(javaFile);
41 boolean[] values = { false, true };
42 for (boolean pack : values) {
43 for (boolean priv : values) {
44 for (boolean prot : values) {
45 for (boolean publ : values) {
46 test(pack, priv, prot, publ, classFile);
47 }
48 }
49 }
50 }
51
52 if (errors > 0)
53 throw new Exception(errors + " errors found");
54 }
55
56 void test(boolean pack, boolean priv, boolean prot, boolean publ, File classFile) {
57 List<String> args = new ArrayList<String>();
58 if (pack)
59 args.add("-package");
60 if (priv)
61 args.add("-private");
62 if (prot)
63 args.add("-protected");
64 if (publ)
65 args.add("-public");
66 boolean expectOK = (args.size() <= 1);
67 args.add(classFile.getPath());
68 String out = javap(args, expectOK);
69 if (out == null)
70 return;
71 if (!priv && !prot && !publ)
72 checkNone(out, "private");
73 if (prot)
74 checkNone(out, "private", "package");
75 if (publ)
76 checkNone(out, "private", "package", "protected");
77 }
78
79 File writeTestFile() throws IOException {
80 File f = new File("Test.java");
81 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
82 out.println("abstract class Test { ");
83 out.println(" public void public_m() { }");
84 out.println(" protected void protected_m() { }");
85 out.println(" private void private_m() { }");
86 out.println(" void package_m() { }");
87 out.println("}");
88 out.close();
89 return f;
90 }
91
92 File compileTestFile(File f) {
93 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
94 if (rc != 0)
95 throw new Error("compilation failed. rc=" + rc);
96 String path = f.getPath();
97 return new File(path.substring(0, path.length() - 5) + ".class");
98 }
99
100 String javap(List<String> args, boolean expectOK) {
101 StringWriter sw = new StringWriter();
102 PrintWriter pw = new PrintWriter(sw);
103 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
104 System.err.println(args);
105 System.err.println(sw);
106 if (expectOK) {
107 if (rc == 0)
108 return sw.toString();
109 else
110 error("javap failed unexpectedly; rc=" + rc + "\n" + sw);
111 } else {
112 if (rc == 0)
113 error("javap succeeded unexpectedly");
114 }
115 return null;
116 }
117
118 void checkNone(String log, String... words) {
119 for (String word: words) {
120 if (log.indexOf(word) != -1)
121 error("\"" + word + "\" unexpectedly found in output");
122 }
123 }
124
125 void error(String msg) {
126 System.err.println("error: " + msg);
127 errors++;
128 }
129
130 int errors;
131 }