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