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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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3 * |
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4 * This code is free software; you can redistribute it and/or modify it |
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5 * under the terms of the GNU General Public License version 2 only, as |
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6 * published by the Free Software Foundation. |
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7 * |
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8 * This code is distributed in the hope that it will be useful, but WITHOUT |
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9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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11 * version 2 for more details (a copy is included in the LICENSE file that |
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12 * accompanied this code). |
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13 * |
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14 * You should have received a copy of the GNU General Public License version |
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15 * 2 along with this work; if not, write to the Free Software Foundation, |
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16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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17 * |
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18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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19 * or visit www.oracle.com if you need additional information or have any |
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20 * questions. |
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21 */ |
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22 |
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23 /* |
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24 * This file is available under and governed by the GNU General Public |
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25 * License version 2 only, as published by the Free Software Foundation. |
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26 * However, the following notice accompanied the original version of this |
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27 * file: |
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28 * |
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29 * Written by Doug Lea and Martin Buchholz with assistance from |
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30 * members of JCP JSR-166 Expert Group and released to the public |
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31 * domain, as explained at |
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32 * http://creativecommons.org/publicdomain/zero/1.0/ |
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33 */ |
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34 |
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35 import java.util.concurrent.LinkedBlockingQueue; |
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36 import java.util.Spliterator; |
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37 |
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38 import junit.framework.Test; |
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39 import junit.framework.TestSuite; |
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40 |
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41 public class LinkedBlockingQueue8Test extends JSR166TestCase { |
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42 public static void main(String[] args) { |
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43 main(suite(), args); |
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44 } |
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45 |
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46 public static Test suite() { |
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47 return newTestSuite(LinkedBlockingQueue8Test.class); |
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48 } |
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49 |
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50 /** |
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51 * Spliterator.getComparator always throws IllegalStateException |
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52 */ |
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53 public void testSpliterator_getComparator() { |
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54 assertThrows(IllegalStateException.class, |
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55 () -> new LinkedBlockingQueue().spliterator().getComparator()); |
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56 } |
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57 |
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58 /** |
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59 * Spliterator characteristics are as advertised |
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60 */ |
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61 public void testSpliterator_characteristics() { |
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62 LinkedBlockingQueue q = new LinkedBlockingQueue(); |
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63 Spliterator s = q.spliterator(); |
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64 int characteristics = s.characteristics(); |
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65 int required = Spliterator.CONCURRENT |
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66 | Spliterator.NONNULL |
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67 | Spliterator.ORDERED; |
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68 assertEquals(required, characteristics & required); |
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69 assertTrue(s.hasCharacteristics(required)); |
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70 assertEquals(0, characteristics |
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71 & (Spliterator.DISTINCT |
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72 | Spliterator.IMMUTABLE |
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73 | Spliterator.SORTED)); |
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74 } |
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75 |
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76 } |