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 8033711

    27  * @summary An exception is thrown if using the "-classpath" option with no arguments

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

    29  */

    30 

    31 import java.io.*;

    32 

    33 public class T8033711 {

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

    35         new T8033711().run();

    36     }

    37 

    38     public void run() throws Exception {

    39         String out = javap("-classpath");

    40         if (out.contains("IllegalArgumentException"))

    41             throw new Exception("exception found in javap output");

    42         if (!out.contains("Error: invalid use of option"))

    43             throw new Exception("expected error message not found in javap output");

    44     }

    45 

    46     String javap(String... args) {

    47         StringWriter sw = new StringWriter();

    48         PrintWriter out = new PrintWriter(sw);

    49         int rc = com.sun.tools.javap.Main.run(args, out);

    50         out.close();

    51         System.out.println(sw.toString());

    52         System.out.println("javap exited, rc=" + rc);

    53         return sw.toString();

    54     }

    55 }