| 8 |
|
import static java.util.concurrent.TimeUnit.HOURS; |
| 9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 10 |
|
|
| 11 |
+ |
import java.util.ArrayDeque; |
| 12 |
|
import java.util.ArrayList; |
| 13 |
|
import java.util.Arrays; |
| 14 |
|
import java.util.Collection; |
| 589 |
|
public void testRemoveAfterForEachRemaining() { |
| 590 |
|
Collection c = impl.emptyCollection(); |
| 591 |
|
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 592 |
+ |
ArrayList copy = new ArrayList(); |
| 593 |
+ |
boolean ordered = c.spliterator().hasCharacteristics(Spliterator.ORDERED); |
| 594 |
|
testCollection: { |
| 595 |
|
int n = 3 + rnd.nextInt(2); |
| 596 |
< |
for (int i = 0; i < n; i++) c.add(impl.makeElement(i)); |
| 596 |
> |
for (int i = 0; i < n; i++) { |
| 597 |
> |
Object x = impl.makeElement(i); |
| 598 |
> |
c.add(x); |
| 599 |
> |
copy.add(x); |
| 600 |
> |
} |
| 601 |
|
Iterator it = c.iterator(); |
| 602 |
< |
assertTrue(it.hasNext()); |
| 603 |
< |
assertEquals(impl.makeElement(0), it.next()); |
| 604 |
< |
assertTrue(it.hasNext()); |
| 605 |
< |
assertEquals(impl.makeElement(1), it.next()); |
| 606 |
< |
it.forEachRemaining(e -> assertTrue(c.contains(e))); |
| 602 |
> |
if (ordered) { |
| 603 |
> |
if (rnd.nextBoolean()) assertTrue(it.hasNext()); |
| 604 |
> |
assertEquals(impl.makeElement(0), it.next()); |
| 605 |
> |
if (rnd.nextBoolean()) assertTrue(it.hasNext()); |
| 606 |
> |
assertEquals(impl.makeElement(1), it.next()); |
| 607 |
> |
} else { |
| 608 |
> |
if (rnd.nextBoolean()) assertTrue(it.hasNext()); |
| 609 |
> |
assertTrue(copy.contains(it.next())); |
| 610 |
> |
if (rnd.nextBoolean()) assertTrue(it.hasNext()); |
| 611 |
> |
assertTrue(copy.contains(it.next())); |
| 612 |
> |
} |
| 613 |
> |
it.forEachRemaining( |
| 614 |
> |
e -> { |
| 615 |
> |
assertTrue(c.contains(e)); |
| 616 |
> |
assertTrue(copy.contains(e));}); |
| 617 |
|
if (testImplementationDetails) { |
| 618 |
|
if (c instanceof java.util.concurrent.ArrayBlockingQueue) { |
| 619 |
|
assertIteratorExhausted(it); |
| 623 |
|
break testCollection; |
| 624 |
|
} |
| 625 |
|
assertEquals(n - 1, c.size()); |
| 626 |
< |
for (int i = 0; i < n - 1; i++) |
| 627 |
< |
assertTrue(c.contains(impl.makeElement(i))); |
| 628 |
< |
assertFalse(c.contains(impl.makeElement(n - 1))); |
| 626 |
> |
if (ordered) { |
| 627 |
> |
for (int i = 0; i < n - 1; i++) |
| 628 |
> |
assertTrue(c.contains(impl.makeElement(i))); |
| 629 |
> |
assertFalse(c.contains(impl.makeElement(n - 1))); |
| 630 |
> |
} |
| 631 |
|
} |
| 632 |
|
} |
| 633 |
|
} |
| 634 |
|
if (c instanceof Deque) { |
| 635 |
|
Deque d = (Deque) impl.emptyCollection(); |
| 636 |
+ |
assertTrue(ordered); |
| 637 |
|
int n = 3 + rnd.nextInt(2); |
| 638 |
|
for (int i = 0; i < n; i++) d.add(impl.makeElement(i)); |
| 639 |
|
Iterator it = d.descendingIterator(); |
| 926 |
|
} |
| 927 |
|
} |
| 928 |
|
|
| 929 |
< |
public void testObjectMethods() { |
| 929 |
> |
public void testCollectionCopies() throws Exception { |
| 930 |
|
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 931 |
|
Collection c = impl.emptyCollection(); |
| 932 |
< |
for (int n = rnd.nextInt(3); n--> 0; ) |
| 932 |
> |
for (int n = rnd.nextInt(4); n--> 0; ) |
| 933 |
|
c.add(impl.makeElement(rnd.nextInt())); |
| 934 |
|
assertEquals(c, c); |
| 935 |
< |
if (c instanceof List) { |
| 936 |
< |
List copy = new ArrayList(c); |
| 937 |
< |
assertEquals(copy, c); |
| 938 |
< |
assertEquals(c, copy); |
| 939 |
< |
assertEquals(copy.hashCode(), c.hashCode()); |
| 940 |
< |
} |
| 941 |
< |
if (c instanceof Set) { |
| 942 |
< |
Set copy = new HashSet(c); |
| 943 |
< |
assertEquals(copy, c); |
| 944 |
< |
assertEquals(c, copy); |
| 945 |
< |
assertEquals(copy.hashCode(), c.hashCode()); |
| 935 |
> |
if (c instanceof List) |
| 936 |
> |
assertCollectionsEquals(c, new ArrayList(c)); |
| 937 |
> |
else if (c instanceof Set) |
| 938 |
> |
assertCollectionsEquals(c, new HashSet(c)); |
| 939 |
> |
else if (c instanceof Deque) |
| 940 |
> |
assertCollectionsEquivalent(c, new ArrayDeque(c)); |
| 941 |
> |
|
| 942 |
> |
Collection clone = cloneableClone(c); |
| 943 |
> |
if (clone != null) { |
| 944 |
> |
assertSame(c.getClass(), clone.getClass()); |
| 945 |
> |
assertCollectionsEquivalent(c, clone); |
| 946 |
|
} |
| 947 |
+ |
try { |
| 948 |
+ |
Collection serialClone = serialClonePossiblyFailing(c); |
| 949 |
+ |
assertSame(c.getClass(), serialClone.getClass()); |
| 950 |
+ |
assertCollectionsEquivalent(c, serialClone); |
| 951 |
+ |
} catch (java.io.NotSerializableException acceptable) {} |
| 952 |
+ |
} |
| 953 |
+ |
|
| 954 |
+ |
public void testReplaceAllIsNotStructuralModification() { |
| 955 |
+ |
Collection c = impl.emptyCollection(); |
| 956 |
+ |
if (!(c instanceof List)) |
| 957 |
+ |
return; |
| 958 |
+ |
List list = (List) c; |
| 959 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 960 |
+ |
for (int n = rnd.nextInt(2, 10); n--> 0; ) |
| 961 |
+ |
list.add(impl.makeElement(rnd.nextInt())); |
| 962 |
+ |
ArrayList copy = new ArrayList(list); |
| 963 |
+ |
int size = list.size(), half = size / 2; |
| 964 |
+ |
Iterator it = list.iterator(); |
| 965 |
+ |
for (int i = 0; i < half; i++) |
| 966 |
+ |
assertEquals(it.next(), copy.get(i)); |
| 967 |
+ |
list.replaceAll(n -> n); |
| 968 |
+ |
// ConcurrentModificationException must not be thrown here. |
| 969 |
+ |
for (int i = half; i < size; i++) |
| 970 |
+ |
assertEquals(it.next(), copy.get(i)); |
| 971 |
|
} |
| 972 |
|
|
| 973 |
|
// public void testCollection8DebugFail() { |
