/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8033711

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

 */

import java.io.*;

public class T8033711 {

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

        new T8033711().run();

    }

    public void run() throws Exception {

        String out = javap("-classpath");

        if (out.contains("IllegalArgumentException"))

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

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

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

    }

    String javap(String... args) {

        StringWriter sw = new StringWriter();

        PrintWriter out = new PrintWriter(sw);

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

        out.close();

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

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

        return sw.toString();

    }

}