988 |
|
} |
989 |
|
} |
990 |
|
|
991 |
– |
/** |
992 |
– |
* Handle capacities near Integer.MAX_VALUE. |
993 |
– |
* ant -Dvmoptions=-Xmx24g -Djsr166.expensiveTests=true -Djsr166.tckTestClass=ArrayDequeTest -Djsr166.methodFilter=testHuge tck |
994 |
– |
*/ |
995 |
– |
public void testHuge() { |
996 |
– |
if (! (testImplementationDetails |
997 |
– |
&& expensiveTests |
998 |
– |
&& Runtime.getRuntime().freeMemory() > 21_000_000_000L)) |
999 |
– |
return; |
1000 |
– |
int maxSize = Integer.MAX_VALUE - 8; |
1001 |
– |
ArrayDeque<Integer> q; |
1002 |
– |
|
1003 |
– |
q = new ArrayDeque<>(maxSize); |
1004 |
– |
|
1005 |
– |
assertThrows(OutOfMemoryError.class, |
1006 |
– |
() -> new ArrayDeque<>(Integer.MAX_VALUE)); |
1007 |
– |
|
1008 |
– |
q = populatedDeque(0); |
1009 |
– |
q.addAll(Collections.nCopies(maxSize - 2, (Integer) 42)); |
1010 |
– |
assertEquals((Integer) 42, q.peekFirst()); |
1011 |
– |
assertEquals((Integer) 42, q.peekLast()); |
1012 |
– |
assertEquals(maxSize - 2, q.size()); |
1013 |
– |
q.addFirst((Integer) 0); |
1014 |
– |
q.addLast((Integer) 1); |
1015 |
– |
assertEquals((Integer) 0, q.peekFirst()); |
1016 |
– |
assertEquals((Integer) 1, q.peekLast()); |
1017 |
– |
assertEquals(maxSize, q.size()); |
1018 |
– |
} |
1019 |
– |
|
991 |
|
} |