/*

 * 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.

 */

/*

 * This file is available under and governed by the GNU General Public

 * License version 2 only, as published by the Free Software Foundation.

 * However, the following notice accompanied the original version of this

 * file:

 *

 * Written by Doug Lea and Martin Buchholz with assistance from

 * members of JCP JSR-166 Expert Group and released to the public

 * domain, as explained at

 * http://creativecommons.org/publicdomain/zero/1.0/

 */

import java.util.concurrent.LinkedBlockingQueue;

import java.util.Spliterator;

import junit.framework.Test;

public class LinkedBlockingQueue8Test extends JSR166TestCase {

    public static void main(String[] args) {

        main(suite(), args);

    }

    public static Test suite() {

        return newTestSuite(LinkedBlockingQueue8Test.class);

    }

    /**

     * Spliterator.getComparator always throws IllegalStateException

     */

    public void testSpliterator_getComparator() {

        assertThrows(IllegalStateException.class,

                     () -> new LinkedBlockingQueue().spliterator().getComparator());

    }

    /**

     * Spliterator characteristics are as advertised

     */

    public void testSpliterator_characteristics() {

        LinkedBlockingQueue q = new LinkedBlockingQueue();

        Spliterator s = q.spliterator();

        int characteristics = s.characteristics();

        int required = Spliterator.CONCURRENT

            | Spliterator.NONNULL

            | Spliterator.ORDERED;

        assertEquals(required, characteristics & required);

        assertTrue(s.hasCharacteristics(required));

        assertEquals(0, characteristics

                     & (Spliterator.DISTINCT

                        | Spliterator.IMMUTABLE

                        | Spliterator.SORTED));

    }

}