1 /*
2  * Copyright (c) 2010, 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  *
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20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 
25 /*
26  * @test
27  * @bug 6942649
28  * @summary add hidden option to identify location and version of javac classes
29  */
30 
31 import java.io.*;
32 
33 public class T6942649 {
main(String... args)34     public static void main(String... args) throws Exception {
35         new T6942649().run();
36     }
37 
run()38     void run() throws Exception {
39         test("-XDshowClass", "com.sun.tools.javac.Main");
40         test("-XDshowClass=com.sun.tools.javac.util.Log", "com.sun.tools.javac.util.Log");
41     }
42 
test(String opt, String clazz)43     void test(String opt, String clazz) throws Exception {
44         System.err.println("test " + opt);
45         StringWriter sw = new StringWriter();
46         PrintWriter pw = new PrintWriter(sw);
47         int rc = com.sun.tools.javac.Main.compile(new String[] { opt }, pw);
48         pw.close();
49         String out = sw.toString();
50         System.err.println("javac rc=" + rc + "\n" + out);
51         if (!out.contains(clazz))
52             throw new Exception("class name not found in output");
53         int lastDot = clazz.lastIndexOf(".");
54         if (!out.contains(clazz.substring(lastDot + 1) + ".class"))
55             throw new Exception("location of class not found in output");
56         if (!out.contains("MD5 checksum: "))
57             throw new Exception("checksum not found in output");
58     }
59 }
60