/*

 * Copyright 1998 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 4016189

 * @summary Test operation of nextStream method of SIS

 *

 */

import java.io.*;

/**

 * This class tests to see if java.io.SequenceInputStream

 * nextStream() method operates properly when some of the

 * streams it is given on input are null

 */

public class ConstructorNull {

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

       byte[] data = {10,20};

       int b1,b2;

       ByteArrayInputStream is = new ByteArrayInputStream(data);

       try {

           SequenceInputStream sis = new SequenceInputStream(null,is);

           int b = sis.read();

           throw new RuntimeException("No exception with null stream");

       } catch(NullPointerException e) {

           System.err.println("Test passed: NullPointerException thrown");

       }

   }

}