27 |
|
* Create a set of given size containing consecutive |
28 |
|
* Integers 0 ... n. |
29 |
|
*/ |
30 |
< |
private NavigableSet populatedSet(int n) { |
31 |
< |
TreeSet q = new TreeSet(); |
30 |
> |
private NavigableSet<Integer> populatedSet(int n) { |
31 |
> |
TreeSet<Integer> q = new TreeSet<Integer>(); |
32 |
|
assertTrue(q.isEmpty()); |
33 |
|
|
34 |
|
for (int i = n-1; i >= 0; i-=2) |
235 |
|
public void testRemoveElement() { |
236 |
|
NavigableSet q = populatedSet(SIZE); |
237 |
|
for (int i = 1; i < SIZE; i+=2) { |
238 |
< |
assertTrue(q.remove(new Integer(i))); |
238 |
> |
assertTrue(q.contains(i)); |
239 |
> |
assertTrue(q.remove(i)); |
240 |
> |
assertFalse(q.contains(i)); |
241 |
> |
assertTrue(q.contains(i-1)); |
242 |
|
} |
243 |
|
for (int i = 0; i < SIZE; i+=2) { |
244 |
< |
assertTrue(q.remove(new Integer(i))); |
245 |
< |
assertFalse(q.remove(new Integer(i+1))); |
244 |
> |
assertTrue(q.contains(i)); |
245 |
> |
assertTrue(q.remove(i)); |
246 |
> |
assertFalse(q.contains(i)); |
247 |
> |
assertFalse(q.remove(i+1)); |
248 |
> |
assertFalse(q.contains(i+1)); |
249 |
|
} |
250 |
|
assertTrue(q.isEmpty()); |
251 |
|
} |
400 |
|
} |
401 |
|
|
402 |
|
/** |
403 |
< |
* toArray contains all elements |
403 |
> |
* toArray contains all elements in sorted order |
404 |
|
*/ |
405 |
|
public void testToArray() { |
406 |
|
NavigableSet q = populatedSet(SIZE); |
407 |
|
Object[] o = q.toArray(); |
402 |
– |
Arrays.sort(o); |
408 |
|
for (int i = 0; i < o.length; i++) |
409 |
< |
assertEquals(o[i], q.pollFirst()); |
409 |
> |
assertSame(o[i], q.pollFirst()); |
410 |
|
} |
411 |
|
|
412 |
|
/** |
413 |
< |
* toArray(a) contains all elements |
413 |
> |
* toArray(a) contains all elements in sorted order |
414 |
|
*/ |
415 |
|
public void testToArray2() { |
416 |
< |
NavigableSet q = populatedSet(SIZE); |
416 |
> |
NavigableSet<Integer> q = populatedSet(SIZE); |
417 |
|
Integer[] ints = new Integer[SIZE]; |
418 |
< |
ints = (Integer[])q.toArray(ints); |
419 |
< |
Arrays.sort(ints); |
418 |
> |
Integer[] array = q.toArray(ints); |
419 |
> |
assertSame(ints, array); |
420 |
|
for (int i = 0; i < ints.length; i++) |
421 |
< |
assertEquals(ints[i], q.pollFirst()); |
421 |
> |
assertSame(ints[i], q.pollFirst()); |
422 |
|
} |
423 |
|
|
424 |
|
/** |
908 |
|
public void testDescendingToArray2() { |
909 |
|
NavigableSet q = populatedSet(SIZE); |
910 |
|
Integer[] ints = new Integer[SIZE]; |
911 |
< |
ints = (Integer[])q.toArray(ints); |
911 |
> |
assertSame(ints, q.toArray(ints)); |
912 |
|
Arrays.sort(ints); |
913 |
|
for (int i = 0; i < ints.length; i++) |
914 |
|
assertEquals(ints[i], q.pollFirst()); |