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jsr166 |
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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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import junit.framework.TestSuite; |
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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().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 q = new LinkedBlockingDeque(); |
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Spliterator 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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assertEquals(required, characteristics & required); |
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assertTrue(s.hasCharacteristics(required)); |
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assertEquals(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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} |