T4870651.java revision 45:7708bd6d800d 
1/*
2 * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24/*
25 * @test
26 * @bug 4870651
27 * @summary javap should recognize generics, varargs, enum
28 * @build T4870651 Test
29 * @run main T4870651
30 */
31
32import java.io.*;
33
34public class T4870651 {
35    public static void main(String[] args) throws Exception {
36        new T4870651().run();
37    }
38
39    public void run() throws IOException {
40        verify("Test",
41               "class Test<T, E extends java.lang.Exception & java.lang.Comparable<T>, U extends java.lang.Comparable>",
42               "v1(java.lang.String...)");
43
44        verify("Test$Enum",
45               "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM",
46               "flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM");
47
48        if (errors > 0)
49            throw new Error(errors + " found.");
50    }
51
52    String javap(String className) {
53        String testClasses = System.getProperty("test.classes", ".");
54        StringWriter sw = new StringWriter();
55        PrintWriter out = new PrintWriter(sw);
56        String[] args = { "-classpath", testClasses, "-v", className };
57        int rc = com.sun.tools.javap.Main.run(args, out);
58        if (rc != 0)
59            throw new Error("javap failed. rc=" + rc);
60        out.close();
61        String output = sw.toString();
62        System.out.println("class " + className);
63        System.out.println(output);
64        return output;
65    }
66
67    void verify(String className, String... expects) {
68        String output = javap(className);
69        for (String expect: expects) {
70            if (output.indexOf(expect)< 0)
71                error(expect + " not found");
72        }
73    }
74
75    void error(String msg) {
76        System.err.println(msg);
77        errors++;
78    }
79
80    int errors;
81}
82