T4975569.java revision 2942:08092deced3f 
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/*
25 * @test
26 * @bug 4975569 6622215 8034861
27 * @summary javap doesn't print new flag bits
28 * @modules jdk.jdeps
29 */
30
31import java.io.*;
32import java.util.*;
33import java.util.regex.Matcher;
34import java.util.regex.Pattern;
35
36public 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
40    public static void main(String... args) {
41        new T4975569().run();
42    }
43
44    void run() {
45        verify(Anno.class.getName(), "flags: ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION");
46        verify(E.class.getName(),    "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM");
47        verify(S.class.getName(),    "flags: ACC_BRIDGE, ACC_SYNTHETIC",
48                                     "InnerClasses:\n  static [# =\\w]+; +// ");
49        verify(V.class.getName(),    "void m\\(java.lang.String...\\)",
50                                     "flags: 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
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
70    void verify(String className, String... expects) {
71        verify(className, new String[0], expects);
72    }
73
74    int errors;
75    void error(String msg) {
76        System.err.println(msg.replace("\n", NEW_LINE));
77        errors++;
78    }
79
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
96    List x() { return null; }
97
98    class V { void m(String... args) { } }
99    enum E { e }
100    @interface Anno { }
101    static class S extends T4975569 {
102        ArrayList x() { return null; }
103    }
104
105    protected class Prot { }
106    private class Priv { int i; }
107}
108
109