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root/jsr166/jsr166/src/test/tck/ArrayDequeTest.java

Comparing jsr166/src/test/tck/ArrayDequeTest.java (file contents):
Revision 1.50 by jsr166, Sat Oct 22 05:45:56 2016 UTC vs.
Revision 1.51 by jsr166, Tue Oct 25 01:32:55 2016 UTC

#	Line 14 | Line 14 | import java.util.Iterator;
14		import java.util.NoSuchElementException;
15		import java.util.Queue;
16		import java.util.Random;
17	–	import java.util.Spliterator;
17		import java.util.concurrent.ThreadLocalRandom;
18
19		import junit.framework.Test;
#	Line 989 | Line 988 | public class ArrayDequeTest extends JSR1
988		}
989		}
990
992	–	/**
993	–	* Spliterator characteristics are as advertised
994	–	*/
995	–	public void testSpliterator_characteristics() {
996	–	ArrayDeque q = new ArrayDeque();
997	–	Spliterator s = q.spliterator();
998	–	int characteristics = s.characteristics();
999	–	int required = Spliterator.NONNULL
1000	–	| Spliterator.ORDERED
1001	–	| Spliterator.SIZED
1002	–	| Spliterator.SUBSIZED;
1003	–	assertEquals(required, characteristics & required);
1004	–	assertTrue(s.hasCharacteristics(required));
1005	–	assertEquals(0, characteristics
1006	–	& (Spliterator.CONCURRENT
1007	–	| Spliterator.DISTINCT
1008	–	| Spliterator.IMMUTABLE
1009	–	| Spliterator.SORTED));
1010	–	}
1011	–
1012	–	/**
1013	–	* Spliterator.getComparator always throws IllegalStateException
1014	–	*/
1015	–	public void testSpliterator_getComparator() {
1016	–	assertThrows(IllegalStateException.class,
1017	–	() -> new ArrayDeque().spliterator().getComparator());
1018	–	}
1019	–
1020	–	/**
1021	–	* Handle capacities near Integer.MAX_VALUE.
1022	–	* ant -Dvmoptions='-Xms28g -Xmx28g' -Djsr166.testImplementationDetails=true -Djsr166.expensiveTests=true -Djsr166.tckTestClass=ArrayDequeTest -Djsr166.methodFilter=testHuge tck
1023	–	*/
1024	–	public void testHuge() {
1025	–	if (! (testImplementationDetails
1026	–	&& expensiveTests
1027	–	&& Runtime.getRuntime().maxMemory() > 24L * (1 << 30)))
1028	–	return;
1029	–
1030	–	ArrayDeque q;
1031	–	Integer e = 42;
1032	–	final int maxSize = Integer.MAX_VALUE - 8;
1033	–
1034	–	assertThrows(OutOfMemoryError.class,
1035	–	() -> new ArrayDeque<>(Integer.MAX_VALUE));
1036	–
1037	–	{
1038	–	q = new ArrayDeque<>(maxSize);
1039	–	assertEquals(0, q.size());
1040	–	assertTrue(q.isEmpty());
1041	–	q = null;
1042	–	}
1043	–
1044	–	{
1045	–	q = new ArrayDeque();
1046	–	assertTrue(q.addAll(Collections.nCopies(maxSize - 2, e)));
1047	–	assertEquals(e, q.peekFirst());
1048	–	assertEquals(e, q.peekLast());
1049	–	assertEquals(maxSize - 2, q.size());
1050	–	q.addFirst((Integer) 0);
1051	–	q.addLast((Integer) 1);
1052	–	assertEquals((Integer) 0, q.peekFirst());
1053	–	assertEquals((Integer) 1, q.peekLast());
1054	–	assertEquals(maxSize, q.size());
1055	–
1056	–	ArrayDeque qq = q;
1057	–	ArrayDeque smallish = new ArrayDeque(
1058	–	Collections.nCopies(Integer.MAX_VALUE - maxSize + 1, e));
1059	–	assertThrows(
1060	–	IllegalStateException.class,
1061	–	() -> qq.addAll(qq),
1062	–	() -> qq.addAll(smallish),
1063	–	() -> smallish.addAll(qq));
1064	–	}
1065	–	}
1066	–
991		}

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