76 lines
2.7 KiB
Java
76 lines
2.7 KiB
Java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Written by Doug Lea and Martin Buchholz with assistance from
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* members of JCP JSR-166 Expert Group and released to the public
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* domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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import java.util.concurrent.LinkedBlockingDeque;
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import java.util.Spliterator;
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import junit.framework.Test;
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public class LinkedBlockingDeque8Test extends JSR166TestCase {
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public static void main(String[] args) {
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main(suite(), args);
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}
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public static Test suite() {
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return newTestSuite(LinkedBlockingDeque8Test.class);
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}
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/**
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* Spliterator.getComparator always throws IllegalStateException
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*/
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public void testSpliterator_getComparator() {
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assertThrows(IllegalStateException.class,
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() -> new LinkedBlockingDeque<Item>().spliterator().getComparator());
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}
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/**
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* Spliterator characteristics are as advertised
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*/
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public void testSpliterator_characteristics() {
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LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<>();
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Spliterator<Item> s = q.spliterator();
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int characteristics = s.characteristics();
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int required = Spliterator.CONCURRENT
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| Spliterator.NONNULL
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| Spliterator.ORDERED;
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mustEqual(required, characteristics & required);
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assertTrue(s.hasCharacteristics(required));
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mustEqual(0, characteristics
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& (Spliterator.DISTINCT
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| Spliterator.IMMUTABLE
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| Spliterator.SORTED));
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}
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}
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