1 /*
2 * Copyright (c) 2008, 2024, 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 4975569 6622215 8034861
27 * @summary javap doesn't print new flag bits
28 * @modules jdk.jdeps/com.sun.tools.javap
29 * @modules java.base/jdk.internal.misc
30 * @run main/othervm --enable-preview T4975569
31 * @run main T4975569
32 */
33
34 import java.io.*;
35 import java.util.*;
36 import java.util.regex.Matcher;
37 import java.util.regex.Pattern;
38
39 import jdk.internal.misc.PreviewFeatures;
40
41 public class T4975569 {
42 private static final String NEW_LINE = System.getProperty("line.separator");
43 private static final String TEST_CLASSES = System.getProperty("test.classes", ".");
44
45 public static void main(String... args) {
46 new T4975569().run();
47 }
48
49 void run() {
50 verify(Anno.class.getName(), "flags: \\(0x2600\\) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION");
51 verify(E.class.getName(), PreviewFeatures.isEnabled()
52 ? "flags: \\(0x4030\\) ACC_FINAL, ACC_IDENTITY, ACC_ENUM"
53 : "flags: \\(0x4030\\) ACC_FINAL, ACC_SUPER, ACC_ENUM");
54 verify(S.class.getName(), "flags: \\(0x1040\\) ACC_BRIDGE, ACC_SYNTHETIC",
55 "InnerClasses:\n static [# =\\w]+; +// ");
56 verify(V.class.getName(), "void m\\(java.lang.String...\\)",
57 "flags: \\(0x0080\\) ACC_VARARGS");
58 verify(Prot.class.getName(), "InnerClasses:\n protected [# =\\w]+; +// ");
59 verify(Priv.class.getName(), new String[]{"-p"},
60 "InnerClasses:\n private [# =\\w]+; +// ");
61
62 if (errors > 0)
63 throw new Error(errors + " found.");
64 }
65
66 void verify(String className, String[] flags, String... expects) {
67 String output = javap(className, Arrays.asList(flags));
68 for (String expect: expects) {
69 Pattern expectPattern = Pattern.compile(expect);
70 Matcher matcher = expectPattern.matcher(output);
71 if (!matcher.find()) {
72 error(expect + " not found");
73 }
74 }
75 }
76
77 void verify(String className, String... expects) {
78 verify(className, new String[0], expects);
79 }
80
81 int errors;
82 void error(String msg) {
83 System.err.println(msg.replace("\n", NEW_LINE));
84 errors++;
85 }
86
87 String javap(String className, List<String> flags) {
88 StringWriter sw = new StringWriter();
89 PrintWriter out = new PrintWriter(sw);
90 List<String> args = new ArrayList<>(flags);
91 args.addAll(Arrays.asList("-v", "-classpath", TEST_CLASSES, className));
92 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), out);
93 out.close();
94 String output = sw.toString();
95 System.err.println("class " + className);
96 System.err.println(output);
97
98 if (rc != 0)
99 throw new Error("javap failed. rc=" + rc);
100 return output.replaceAll(NEW_LINE, "\n");
101 }
102
103 List x() { return null; }
104
105 class V { void m(String... args) { } }
106 enum E { e }
107 @interface Anno { }
108 static class S extends T4975569 {
109 ArrayList x() { return null; }
110 }
111
112 protected class Prot { }
113 private class Priv { int i; }
114 }