test/tools/javap/4870651/T4870651.java

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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
32 import java.io.*;
33
34 public 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 }

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