/*

 * 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

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/**

 *  @test

 *  @bug 4621289

 *  @summary vm.setDefaultStratum(null) causes a Null Ptr exception

 *

 *  @author jjh

 *

 *  @run build  TestScaffold VMConnection TargetListener TargetAdapter

 *  @run compile -g SDENullTest.java

 *  @run driver SDENullTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

    /********** target program **********/

class SDENullTarg {

    public static void main(String[] args){

        System.out.println("Howdy!");

        System.out.println("Goodbye from SDENullTarg!");

    }

}

    /********** test program **********/

public class SDENullTest extends TestScaffold {

    ReferenceType targetClass;

    ThreadReference mainThread;

    SDENullTest (String args[]) {

        super(args);

    }

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

        new SDENullTest(args).startTests();

    }

    /********** test core **********/

    protected void runTests() throws Exception {

        /*

         * Get to the top of main()

         * to determine targetClass and mainThread

         */

        BreakpointEvent bpe = startToMain("SDENullTarg");

        targetClass = bpe.location().declaringType();

        mainThread = bpe.thread();

        EventRequestManager erm = vm().eventRequestManager();

        vm().setDefaultStratum(null);

        if (!testFailed) {

            println("SDENullTest: passed");

        } else {

            throw new Exception("SDENullTest: failed");

        }

    }

}