T4870651.java revision 3792:d516975e8110 
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 4870651 6715757
27 * @summary javap should recognize generics, varargs, enum;
28 *          javap prints "extends java.lang.Object"
29 * @modules jdk.jdeps/com.sun.tools.javap
30 * @build T4870651 Test
31 * @run main T4870651
32 */
33
34import java.io.*;
35
36public class T4870651 {
37    public static void main(String[] args) throws Exception {
38        new T4870651().run();
39    }
40
41    public void run() throws IOException {
42        verify("Test",
43               "class Test<T extends java.lang.Object, " +
44                   "E extends java.lang.Exception & java.lang.Comparable<T>, " +
45                   "U extends java.lang.Comparable>",
46               "v1(java.lang.String...)");
47
48        verify("Test$Enum",
49               "flags: (0x4030) ACC_FINAL, ACC_SUPER, ACC_ENUM",
50               "flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM");
51
52        if (errors > 0)
53            throw new Error(errors + " found.");
54    }
55
56    String javap(String className) {
57        String testClasses = System.getProperty("test.classes", ".");
58        StringWriter sw = new StringWriter();
59        PrintWriter out = new PrintWriter(sw);
60        String[] args = { "-classpath", testClasses, "-v", className };
61        int rc = com.sun.tools.javap.Main.run(args, out);
62        if (rc != 0)
63            throw new Error("javap failed. rc=" + rc);
64        out.close();
65        String output = sw.toString();
66        System.out.println("class " + className);
67        System.out.println(output);
68        return output;
69    }
70
71    void verify(String className, String... expects) {
72        String output = javap(className);
73        for (String expect: expects) {
74            if (output.indexOf(expect)< 0)
75                error(expect + " not found");
76        }
77    }
78
79    void error(String msg) {
80        System.err.println(msg);
81        errors++;
82    }
83
84    int errors;
85}
86