T6715251.java revision 553:9d9f26857129 
1/*
2 * Copyright (c) 2008, 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
24import java.io.*;
25import java.util.*;
26
27/*
28 * @test
29 * @bug 6715251
30 * @summary javap should be consistent with javac and return 2 if given no arguments
31 */
32
33public class T6715251 {
34    public static void main(String... args) throws Exception {
35        new T6715251().run();
36    }
37
38    void run() throws Exception {
39        String testClasses = System.getProperty("test.classes", ".");
40
41        test(2);
42        test(0, "-help");
43        test(0, "-version");
44        test(0, "-fullversion");
45        test(0, "-classpath", testClasses, "T6715251");
46
47        if (errors > 0)
48            throw new Exception(errors + " errors received");
49    }
50
51    void test(int expect, String ... args) {
52        int rc = javap(args);
53        if (rc != expect)
54            error("bad result: expected: " + expect + ", found " + rc + "\n"
55                  + log);
56
57    }
58
59    int javap(String... args) {
60        StringWriter sw = new StringWriter();
61        PrintWriter pw = new PrintWriter(sw);
62        int rc = com.sun.tools.javap.Main.run(args, pw);
63        log = sw.toString();
64        return rc;
65    }
66
67    void error(String msg) {
68        System.err.println(msg);
69        errors++;
70    }
71
72    String log;
73    int errors;
74}
75