T8035104.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2014, 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 8035104
27 * @summary reorder class file attributes in javap listing
28 * @modules jdk.jdeps/com.sun.tools.javap
29 */
30
31import java.io.*;
32
33public class T8035104 {
34    public static void main(String[] args) throws Exception {
35        new T8035104().run();
36    }
37
38    public void run() throws Exception {
39        String[] lines = javap("-v", T8035104.class.getName()).split("[\r\n]+");
40        int minor = -1;
41        int SourceFile = -1;
42        for (int i = 0; i < lines.length; i++) {
43            String line = lines[i];
44            if (line.matches(" *minor version: [0-9.]+"))
45                minor = i;
46            if (line.matches(" *SourceFile: .+"))
47                SourceFile = i;
48        }
49        if (minor == -1)
50            throw new Exception("minor version not found");
51        if (SourceFile == -1)
52            throw new Exception("SourceFile not found");
53        if (SourceFile < minor)
54            throw new Exception("unexpected order of output");
55
56        System.out.println("output OK");
57    }
58
59    String javap(String... args) {
60        StringWriter sw = new StringWriter();
61        PrintWriter out = new PrintWriter(sw);
62        int rc = com.sun.tools.javap.Main.run(args, out);
63        out.close();
64        System.out.println(sw.toString());
65        System.out.println("javap exited, rc=" + rc);
66        return sw.toString();
67    }
68}
69