Fri, 24 Apr 2020 03:58:51 +0100
Merge
1 /*
2 * Copyright (c) 2008, 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 */
24 import java.io.*;
26 /*
27 * @test
28 * @bug 4111861
29 * @summary static final field contents are not displayed
30 */
31 public class T4111861 {
32 public static void main(String... args) throws Exception {
33 new T4111861().run();
34 }
36 void run() throws Exception {
37 File testSrc = new File(System.getProperty("test.src", "."));
38 File a_java = new File(testSrc, "A.java");
39 javac("-d", ".", a_java.getPath());
41 String out = javap("-classpath", ".", "-constants", "A");
43 String a = read(a_java);
45 if (!filter(out).equals(filter(read(a_java)))) {
46 System.out.println(out);
47 throw new Exception("unexpected output");
48 }
49 }
51 String javac(String... args) throws Exception {
52 StringWriter sw = new StringWriter();
53 PrintWriter pw = new PrintWriter(sw);
54 int rc = com.sun.tools.javac.Main.compile(args, pw);
55 if (rc != 0)
56 throw new Exception("javac failed, rc=" + rc);
57 return sw.toString();
58 }
60 String javap(String... args) throws Exception {
61 StringWriter sw = new StringWriter();
62 PrintWriter pw = new PrintWriter(sw);
63 int rc = com.sun.tools.javap.Main.run(args, pw);
64 if (rc != 0)
65 throw new Exception("javap failed, rc=" + rc);
66 return sw.toString();
67 }
69 String read(File f) throws IOException {
70 StringBuilder sb = new StringBuilder();
71 BufferedReader in = new BufferedReader(new FileReader(f));
72 try {
73 String line;
74 while ((line = in.readLine()) != null) {
75 sb.append(line);
76 sb.append('\n');
77 }
78 } finally {
79 in.close();
80 }
81 return sb.toString();
82 }
84 // return those lines beginning "public static final"
85 String filter(String s) throws IOException {
86 StringBuilder sb = new StringBuilder();
87 BufferedReader in = new BufferedReader(new StringReader(s));
88 try {
89 String line;
90 while ((line = in.readLine()) != null) {
91 if (line.indexOf("public static final") > 0) {
92 sb.append(line.trim());
93 sb.append('\n');
94 }
95 }
96 } finally {
97 in.close();
98 }
99 return sb.toString();
100 }
101 }