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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 ArrayDeque8Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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*/ |
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public void testSpliterator_getComparator() { |
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assertThrows(IllegalStateException.class, |
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< |
() -> new ArrayDeque().spliterator().getComparator()); |
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> |
() -> new ArrayDeque<Item>().spliterator().getComparator()); |
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} |
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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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< |
ArrayDeque q = new ArrayDeque(); |
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< |
Spliterator s = q.spliterator(); |
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> |
ArrayDeque<Item> q = new ArrayDeque<>(); |
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> |
Spliterator<Item> s = q.spliterator(); |
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int characteristics = s.characteristics(); |
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int required = Spliterator.NONNULL |
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| Spliterator.ORDERED |
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| Spliterator.SIZED |
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| Spliterator.SUBSIZED; |
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assertEquals(required, characteristics & required); |
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> |
mustEqual(required, characteristics & required); |
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assertTrue(s.hasCharacteristics(required)); |
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< |
assertEquals(0, characteristics |
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> |
mustEqual(0, characteristics |
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& (Spliterator.CONCURRENT |
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| Spliterator.DISTINCT |
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| Spliterator.IMMUTABLE |
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|
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/** |
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* Handle capacities near Integer.MAX_VALUE. |
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< |
* ant -Dvmoptions='-Xms28g -Xmx28g' -Djsr166.testImplementationDetails=true -Djsr166.expensiveTests=true -Djsr166.tckTestClass=ArrayDequeTest -Djsr166.methodFilter=testHuge tck |
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> |
* ant -Dvmoptions='-Xms28g -Xmx28g' -Djsr166.expensiveTests=true -Djsr166.tckTestClass=ArrayDeque8Test -Djsr166.methodFilter=testHugeCapacity tck |
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*/ |
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< |
public void testHuge() { |
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> |
public void testHugeCapacity() { |
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if (! (testImplementationDetails |
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&& expensiveTests |
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&& Runtime.getRuntime().maxMemory() > 24L * (1 << 30))) |
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return; |
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|
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< |
ArrayDeque q; |
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< |
Integer e = 42; |
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< |
final int maxSize = Integer.MAX_VALUE - 8; |
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> |
final Item e = fortytwo; |
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> |
final int maxArraySize = Integer.MAX_VALUE - 8; |
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|
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assertThrows(OutOfMemoryError.class, |
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< |
() -> new ArrayDeque<>(Integer.MAX_VALUE)); |
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> |
() -> new ArrayDeque<Item>(Integer.MAX_VALUE)); |
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|
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{ |
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< |
q = new ArrayDeque<>(maxSize); |
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< |
assertEquals(0, q.size()); |
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> |
ArrayDeque<Object> q = new ArrayDeque<>(maxArraySize - 1); |
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> |
mustEqual(0, q.size()); |
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assertTrue(q.isEmpty()); |
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q = null; |
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} |
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|
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{ |
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< |
q = new ArrayDeque(); |
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< |
assertTrue(q.addAll(Collections.nCopies(maxSize - 2, e))); |
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< |
assertEquals(e, q.peekFirst()); |
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< |
assertEquals(e, q.peekLast()); |
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< |
assertEquals(maxSize - 2, q.size()); |
| 80 |
< |
q.addFirst((Integer) 0); |
| 81 |
< |
q.addLast((Integer) 1); |
| 82 |
< |
assertEquals((Integer) 0, q.peekFirst()); |
| 83 |
< |
assertEquals((Integer) 1, q.peekLast()); |
| 84 |
< |
assertEquals(maxSize, q.size()); |
| 85 |
< |
|
| 86 |
< |
ArrayDeque qq = q; |
| 87 |
< |
ArrayDeque smallish = new ArrayDeque( |
| 90 |
< |
Collections.nCopies(Integer.MAX_VALUE - maxSize + 1, e)); |
| 75 |
> |
ArrayDeque<Object> q = new ArrayDeque<>(); |
| 76 |
> |
assertTrue(q.addAll(Collections.nCopies(maxArraySize - 3, e))); |
| 77 |
> |
mustEqual(e, q.peekFirst()); |
| 78 |
> |
mustEqual(e, q.peekLast()); |
| 79 |
> |
mustEqual(maxArraySize - 3, q.size()); |
| 80 |
> |
q.addFirst(zero); |
| 81 |
> |
q.addLast(one); |
| 82 |
> |
mustEqual(zero, q.peekFirst()); |
| 83 |
> |
mustEqual(one, q.peekLast()); |
| 84 |
> |
mustEqual(maxArraySize - 1, q.size()); |
| 85 |
> |
|
| 86 |
> |
ArrayDeque<Object> smallish = new ArrayDeque<>( |
| 87 |
> |
Collections.nCopies(Integer.MAX_VALUE - q.size() + 1, e)); |
| 88 |
|
assertThrows( |
| 89 |
|
IllegalStateException.class, |
| 90 |
< |
() -> qq.addAll(qq), |
| 91 |
< |
() -> qq.addAll(smallish), |
| 92 |
< |
() -> smallish.addAll(qq)); |
| 90 |
> |
() -> q.addAll(q), |
| 91 |
> |
() -> q.addAll(smallish), |
| 92 |
> |
() -> smallish.addAll(q)); |
| 93 |
|
} |
| 94 |
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} |
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|
