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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20  * or visit www.oracle.com if you need additional information or have any
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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 
31 import java.io.*;
32 
33 public class T8035104 {
main(String[] args)34     public static void main(String[] args) throws Exception {
35         new T8035104().run();
36     }
37 
run()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 
javap(String... args)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