1 /*

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

     3  *

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

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

     6  * published by the Free Software Foundation.

     7  *

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

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

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

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

    12  * accompanied this code).

    13  *

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

    15  * 2 along with this work; if not, write to the Free Software Foundation,

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

    17  *

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

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

    20  * questions.

    21  */

    22 

    23 /*

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

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

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

    27  * file:

    28  *

    29  * Written by Doug Lea and Martin Buchholz with assistance from

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

    31  * domain, as explained at

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

    33  */

    34 

    35 import java.util.concurrent.LinkedBlockingDeque;

    36 import java.util.Spliterator;

    37 

    38 import junit.framework.Test;

    39 import junit.framework.TestSuite;

    40 

    41 public class LinkedBlockingDeque8Test extends JSR166TestCase {

    42     public static void main(String[] args) {

    43         main(suite(), args);

    44     }

    45 

    46     public static Test suite() {

    47         return newTestSuite(LinkedBlockingDeque8Test.class);

    48     }

    49 

    50     /**

    51      * Spliterator.getComparator always throws IllegalStateException

    52      */

    53     public void testSpliterator_getComparator() {

    54         assertThrows(IllegalStateException.class,

    55                      () -> new LinkedBlockingDeque().spliterator().getComparator());

    56     }

    57 

    58     /**

    59      * Spliterator characteristics are as advertised

    60      */

    61     public void testSpliterator_characteristics() {

    62         LinkedBlockingDeque q = new LinkedBlockingDeque();

    63         Spliterator s = q.spliterator();

    64         int characteristics = s.characteristics();

    65         int required = Spliterator.CONCURRENT

    66             | Spliterator.NONNULL

    67             | Spliterator.ORDERED;

    68         assertEquals(required, characteristics & required);

    69         assertTrue(s.hasCharacteristics(required));

    70         assertEquals(0, characteristics

    71                      & (Spliterator.DISTINCT

    72                         | Spliterator.IMMUTABLE

    73                         | Spliterator.SORTED));

    74     }

    75 

    76 }