21 |
|
} |
22 |
|
|
23 |
|
public static Test suite() { |
24 |
< |
return new TestSuite(LinkedListTest.class); |
24 |
> |
class Implementation implements CollectionImplementation { |
25 |
> |
public Class<?> klazz() { return LinkedList.class; } |
26 |
> |
public Collection emptyCollection() { return new LinkedList(); } |
27 |
> |
public Object makeElement(int i) { return i; } |
28 |
> |
public boolean isConcurrent() { return false; } |
29 |
> |
public boolean permitsNulls() { return true; } |
30 |
> |
} |
31 |
> |
return newTestSuite(LinkedListTest.class, |
32 |
> |
CollectionTest.testSuite(new Implementation())); |
33 |
|
} |
34 |
|
|
35 |
|
/** |
36 |
|
* Returns a new queue of given size containing consecutive |
37 |
< |
* Integers 0 ... n. |
37 |
> |
* Integers 0 ... n - 1. |
38 |
|
*/ |
39 |
|
private LinkedList<Integer> populatedQueue(int n) { |
40 |
|
LinkedList<Integer> q = new LinkedList<Integer>(); |
43 |
|
assertTrue(q.offer(new Integer(i))); |
44 |
|
assertFalse(q.isEmpty()); |
45 |
|
assertEquals(n, q.size()); |
46 |
+ |
assertEquals((Integer) 0, q.peekFirst()); |
47 |
+ |
assertEquals((Integer) (n - 1), q.peekLast()); |
48 |
|
return q; |
49 |
|
} |
50 |
|
|
97 |
|
public void testSize() { |
98 |
|
LinkedList q = populatedQueue(SIZE); |
99 |
|
for (int i = 0; i < SIZE; ++i) { |
100 |
< |
assertEquals(SIZE-i, q.size()); |
100 |
> |
assertEquals(SIZE - i, q.size()); |
101 |
|
q.remove(); |
102 |
|
} |
103 |
|
for (int i = 0; i < SIZE; ++i) { |
253 |
|
assertTrue(q.contains(i)); |
254 |
|
assertTrue(q.remove((Integer)i)); |
255 |
|
assertFalse(q.contains(i)); |
256 |
< |
assertTrue(q.contains(i-1)); |
256 |
> |
assertTrue(q.contains(i - 1)); |
257 |
|
} |
258 |
|
for (int i = 0; i < SIZE; i += 2) { |
259 |
|
assertTrue(q.contains(i)); |
260 |
|
assertTrue(q.remove((Integer)i)); |
261 |
|
assertFalse(q.contains(i)); |
262 |
< |
assertFalse(q.remove((Integer)(i+1))); |
263 |
< |
assertFalse(q.contains(i+1)); |
262 |
> |
assertFalse(q.remove((Integer)(i + 1))); |
263 |
> |
assertFalse(q.contains(i + 1)); |
264 |
|
} |
265 |
|
assertTrue(q.isEmpty()); |
266 |
|
} |
319 |
|
assertTrue(changed); |
320 |
|
|
321 |
|
assertTrue(q.containsAll(p)); |
322 |
< |
assertEquals(SIZE-i, q.size()); |
322 |
> |
assertEquals(SIZE - i, q.size()); |
323 |
|
p.remove(); |
324 |
|
} |
325 |
|
} |
332 |
|
LinkedList q = populatedQueue(SIZE); |
333 |
|
LinkedList p = populatedQueue(i); |
334 |
|
assertTrue(q.removeAll(p)); |
335 |
< |
assertEquals(SIZE-i, q.size()); |
335 |
> |
assertEquals(SIZE - i, q.size()); |
336 |
|
for (int j = 0; j < i; ++j) { |
337 |
|
Integer x = (Integer)(p.remove()); |
338 |
|
assertFalse(q.contains(x)); |
557 |
|
*/ |
558 |
|
public void testPollLast() { |
559 |
|
LinkedList q = populatedQueue(SIZE); |
560 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
560 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
561 |
|
assertEquals(i, q.pollLast()); |
562 |
|
} |
563 |
|
assertNull(q.pollLast()); |
582 |
|
*/ |
583 |
|
public void testPeekLast() { |
584 |
|
LinkedList q = populatedQueue(SIZE); |
585 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
585 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
586 |
|
assertEquals(i, q.peekLast()); |
587 |
|
assertEquals(i, q.pollLast()); |
588 |
|
assertTrue(q.peekLast() == null || |
608 |
|
*/ |
609 |
|
public void testLastElement() { |
610 |
|
LinkedList q = populatedQueue(SIZE); |
611 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
611 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
612 |
|
assertEquals(i, q.getLast()); |
613 |
|
assertEquals(i, q.pollLast()); |
614 |
|
} |
629 |
|
} |
630 |
|
for (int i = 0; i < SIZE; i += 2) { |
631 |
|
assertTrue(q.removeFirstOccurrence(new Integer(i))); |
632 |
< |
assertFalse(q.removeFirstOccurrence(new Integer(i+1))); |
632 |
> |
assertFalse(q.removeFirstOccurrence(new Integer(i + 1))); |
633 |
|
} |
634 |
|
assertTrue(q.isEmpty()); |
635 |
|
} |
644 |
|
} |
645 |
|
for (int i = 0; i < SIZE; i += 2) { |
646 |
|
assertTrue(q.removeLastOccurrence(new Integer(i))); |
647 |
< |
assertFalse(q.removeLastOccurrence(new Integer(i+1))); |
647 |
> |
assertFalse(q.removeLastOccurrence(new Integer(i + 1))); |
648 |
|
} |
649 |
|
assertTrue(q.isEmpty()); |
650 |
|
} |