15 |
|
import java.util.Queue; |
16 |
|
|
17 |
|
import junit.framework.Test; |
18 |
– |
import junit.framework.TestSuite; |
18 |
|
|
19 |
|
public class PriorityQueueTest extends JSR166TestCase { |
20 |
|
public static void main(String[] args) { |
28 |
|
public boolean isConcurrent() { return false; } |
29 |
|
public boolean permitsNulls() { return false; } |
30 |
|
} |
31 |
+ |
class ComparatorImplementation implements CollectionImplementation { |
32 |
+ |
public Class<?> klazz() { return PriorityQueue.class; } |
33 |
+ |
public Collection emptyCollection() { return new PriorityQueue(new MyReverseComparator()); } |
34 |
+ |
public Object makeElement(int i) { return i; } |
35 |
+ |
public boolean isConcurrent() { return false; } |
36 |
+ |
public boolean permitsNulls() { return false; } |
37 |
+ |
} |
38 |
|
return newTestSuite(PriorityQueueTest.class, |
39 |
< |
CollectionTest.testSuite(new Implementation())); |
39 |
> |
CollectionTest.testSuite(new Implementation()), |
40 |
> |
CollectionTest.testSuite(new ComparatorImplementation())); |
41 |
|
} |
42 |
|
|
43 |
< |
static class MyReverseComparator implements Comparator { |
43 |
> |
static class MyReverseComparator implements Comparator, java.io.Serializable { |
44 |
|
public int compare(Object x, Object y) { |
45 |
|
return ((Comparable)y).compareTo(x); |
46 |
|
} |
50 |
|
* Returns a new queue of given size containing consecutive |
51 |
|
* Integers 0 ... n - 1. |
52 |
|
*/ |
53 |
< |
private PriorityQueue<Integer> populatedQueue(int n) { |
54 |
< |
PriorityQueue<Integer> q = new PriorityQueue<Integer>(n); |
53 |
> |
private static PriorityQueue<Integer> populatedQueue(int n) { |
54 |
> |
PriorityQueue<Integer> q = new PriorityQueue<>(n); |
55 |
|
assertTrue(q.isEmpty()); |
56 |
|
for (int i = n - 1; i >= 0; i -= 2) |
57 |
|
assertTrue(q.offer(new Integer(i))); |
71 |
|
} |
72 |
|
|
73 |
|
/** |
74 |
< |
* Constructor throws IAE if capacity argument nonpositive |
74 |
> |
* Constructor throws IllegalArgumentException if capacity argument nonpositive |
75 |
|
*/ |
76 |
|
public void testConstructor2() { |
77 |
|
try { |
503 |
|
} |
504 |
|
|
505 |
|
/** |
506 |
< |
* A deserialized serialized queue has same elements |
506 |
> |
* A deserialized/reserialized queue has same elements |
507 |
|
*/ |
508 |
|
public void testSerialization() throws Exception { |
509 |
|
Queue x = populatedQueue(SIZE); |