1 /*

     2  * Copyright (c) 2009, 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 import java.io.*;

    25 

    26 /*

    27  * @test

    28  * @bug 6863746

    29  * @summary javap should not scan ct.sym by default

    30  * @modules jdk.jdeps/com.sun.tools.javap

    31  */

    32 

    33 public class T6863746 {

    34     public static void main(String... args) throws Exception{

    35         new T6863746().run();

    36     }

    37 

    38     public void run() throws Exception {

    39         String[] args = { "-c", "java.lang.Object" };

    40         StringWriter sw = new StringWriter();

    41         PrintWriter pw = new PrintWriter(sw);

    42         int rc = com.sun.tools.javap.Main.run(args, pw);

    43         pw.close();

    44         String out = sw.toString();

    45         System.out.println(out);

    46         String[] lines = out.split("\n");

    47         // If ct.sym is being read, the output does not include

    48         // Code attributes, so check for Code attributes as a

    49         // way of detecting that ct.sym is not being used.

    50         if (lines.length < 50 || out.indexOf("Code:") == -1)

    51             throw new Exception("unexpected output from javap");

    52     }

    53 }