21 |
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22 |
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public class ConcurrentSkipListSetTest extends JSR166TestCase { |
23 |
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public static void main(String[] args) { |
24 |
< |
junit.textui.TestRunner.run(suite()); |
24 |
> |
main(suite(), args); |
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} |
26 |
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public static Test suite() { |
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return new TestSuite(ConcurrentSkipListSetTest.class); |
35 |
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|
36 |
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/** |
37 |
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* Returns a new set of given size containing consecutive |
38 |
< |
* Integers 0 ... n. |
38 |
> |
* Integers 0 ... n - 1. |
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*/ |
40 |
< |
private ConcurrentSkipListSet<Integer> populatedSet(int n) { |
41 |
< |
ConcurrentSkipListSet<Integer> q = |
42 |
< |
new ConcurrentSkipListSet<Integer>(); |
40 |
> |
private static ConcurrentSkipListSet<Integer> populatedSet(int n) { |
41 |
> |
ConcurrentSkipListSet<Integer> q = new ConcurrentSkipListSet<>(); |
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assertTrue(q.isEmpty()); |
43 |
< |
for (int i = n-1; i >= 0; i -= 2) |
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> |
for (int i = n - 1; i >= 0; i -= 2) |
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assertTrue(q.add(new Integer(i))); |
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for (int i = (n & 1); i < n; i += 2) |
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assertTrue(q.add(new Integer(i))); |
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/** |
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* Returns a new set of first 5 ints. |
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*/ |
55 |
< |
private ConcurrentSkipListSet set5() { |
55 |
> |
private static ConcurrentSkipListSet set5() { |
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ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
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assertTrue(q.isEmpty()); |
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q.add(one); |
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*/ |
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public void testConstructor3() { |
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try { |
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< |
ConcurrentSkipListSet q = new ConcurrentSkipListSet((Collection)null); |
79 |
> |
new ConcurrentSkipListSet((Collection)null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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*/ |
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public void testConstructor4() { |
88 |
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try { |
89 |
< |
Integer[] ints = new Integer[SIZE]; |
91 |
< |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints)); |
89 |
> |
new ConcurrentSkipListSet(Arrays.asList(new Integer[SIZE])); |
90 |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
92 |
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} |
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* Initializing from Collection with some null elements throws NPE |
96 |
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*/ |
97 |
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public void testConstructor5() { |
98 |
+ |
Integer[] ints = new Integer[SIZE]; |
99 |
+ |
for (int i = 0; i < SIZE - 1; ++i) |
100 |
+ |
ints[i] = new Integer(i); |
101 |
|
try { |
102 |
< |
Integer[] ints = new Integer[SIZE]; |
102 |
< |
for (int i = 0; i < SIZE-1; ++i) |
103 |
< |
ints[i] = new Integer(i); |
104 |
< |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints)); |
102 |
> |
new ConcurrentSkipListSet(Arrays.asList(ints)); |
103 |
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shouldThrow(); |
104 |
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} catch (NullPointerException success) {} |
105 |
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} |
127 |
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for (int i = 0; i < SIZE; ++i) |
128 |
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ints[i] = new Integer(i); |
129 |
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q.addAll(Arrays.asList(ints)); |
130 |
< |
for (int i = SIZE-1; i >= 0; --i) |
130 |
> |
for (int i = SIZE - 1; i >= 0; --i) |
131 |
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assertEquals(ints[i], q.pollFirst()); |
132 |
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} |
133 |
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|
151 |
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public void testSize() { |
152 |
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ConcurrentSkipListSet q = populatedSet(SIZE); |
153 |
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for (int i = 0; i < SIZE; ++i) { |
154 |
< |
assertEquals(SIZE-i, q.size()); |
154 |
> |
assertEquals(SIZE - i, q.size()); |
155 |
|
q.pollFirst(); |
156 |
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} |
157 |
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for (int i = 0; i < SIZE; ++i) { |
164 |
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* add(null) throws NPE |
165 |
|
*/ |
166 |
|
public void testAddNull() { |
167 |
+ |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
168 |
|
try { |
170 |
– |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
169 |
|
q.add(null); |
170 |
|
shouldThrow(); |
171 |
|
} catch (NullPointerException success) {} |
193 |
|
* Add of non-Comparable throws CCE |
194 |
|
*/ |
195 |
|
public void testAddNonComparable() { |
196 |
+ |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
197 |
|
try { |
199 |
– |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
200 |
– |
q.add(new Object()); |
198 |
|
q.add(new Object()); |
199 |
|
q.add(new Object()); |
200 |
|
shouldThrow(); |
201 |
< |
} catch (ClassCastException success) {} |
201 |
> |
} catch (ClassCastException success) { |
202 |
> |
assertTrue(q.size() < 2); |
203 |
> |
for (int i = 0, size = q.size(); i < size; i++) |
204 |
> |
assertSame(Object.class, q.pollFirst().getClass()); |
205 |
> |
assertNull(q.pollFirst()); |
206 |
> |
assertTrue(q.isEmpty()); |
207 |
> |
assertEquals(0, q.size()); |
208 |
> |
} |
209 |
|
} |
210 |
|
|
211 |
|
/** |
212 |
|
* addAll(null) throws NPE |
213 |
|
*/ |
214 |
|
public void testAddAll1() { |
215 |
+ |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
216 |
|
try { |
212 |
– |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
217 |
|
q.addAll(null); |
218 |
|
shouldThrow(); |
219 |
|
} catch (NullPointerException success) {} |
223 |
|
* addAll of a collection with null elements throws NPE |
224 |
|
*/ |
225 |
|
public void testAddAll2() { |
226 |
+ |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
227 |
+ |
Integer[] ints = new Integer[SIZE]; |
228 |
|
try { |
223 |
– |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
224 |
– |
Integer[] ints = new Integer[SIZE]; |
229 |
|
q.addAll(Arrays.asList(ints)); |
230 |
|
shouldThrow(); |
231 |
|
} catch (NullPointerException success) {} |
236 |
|
* possibly adding some elements |
237 |
|
*/ |
238 |
|
public void testAddAll3() { |
239 |
+ |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
240 |
+ |
Integer[] ints = new Integer[SIZE]; |
241 |
+ |
for (int i = 0; i < SIZE - 1; ++i) |
242 |
+ |
ints[i] = new Integer(i); |
243 |
|
try { |
236 |
– |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
237 |
– |
Integer[] ints = new Integer[SIZE]; |
238 |
– |
for (int i = 0; i < SIZE-1; ++i) |
239 |
– |
ints[i] = new Integer(i); |
244 |
|
q.addAll(Arrays.asList(ints)); |
245 |
|
shouldThrow(); |
246 |
|
} catch (NullPointerException success) {} |
253 |
|
Integer[] empty = new Integer[0]; |
254 |
|
Integer[] ints = new Integer[SIZE]; |
255 |
|
for (int i = 0; i < SIZE; ++i) |
256 |
< |
ints[i] = new Integer(SIZE-1-i); |
256 |
> |
ints[i] = new Integer(SIZE - 1 - i); |
257 |
|
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
258 |
|
assertFalse(q.addAll(Arrays.asList(empty))); |
259 |
|
assertTrue(q.addAll(Arrays.asList(ints))); |
277 |
|
*/ |
278 |
|
public void testPollLast() { |
279 |
|
ConcurrentSkipListSet q = populatedSet(SIZE); |
280 |
< |
for (int i = SIZE-1; i >= 0; --i) { |
280 |
> |
for (int i = SIZE - 1; i >= 0; --i) { |
281 |
|
assertEquals(i, q.pollLast()); |
282 |
|
} |
283 |
|
assertNull(q.pollFirst()); |
292 |
|
assertTrue(q.contains(i)); |
293 |
|
assertTrue(q.remove(i)); |
294 |
|
assertFalse(q.contains(i)); |
295 |
< |
assertTrue(q.contains(i-1)); |
295 |
> |
assertTrue(q.contains(i - 1)); |
296 |
|
} |
297 |
|
for (int i = 0; i < SIZE; i += 2) { |
298 |
|
assertTrue(q.contains(i)); |
299 |
|
assertTrue(q.remove(i)); |
300 |
|
assertFalse(q.contains(i)); |
301 |
< |
assertFalse(q.remove(i+1)); |
302 |
< |
assertFalse(q.contains(i+1)); |
301 |
> |
assertFalse(q.remove(i + 1)); |
302 |
> |
assertFalse(q.contains(i + 1)); |
303 |
|
} |
304 |
|
assertTrue(q.isEmpty()); |
305 |
|
} |
358 |
|
assertTrue(changed); |
359 |
|
|
360 |
|
assertTrue(q.containsAll(p)); |
361 |
< |
assertEquals(SIZE-i, q.size()); |
361 |
> |
assertEquals(SIZE - i, q.size()); |
362 |
|
p.pollFirst(); |
363 |
|
} |
364 |
|
} |
371 |
|
ConcurrentSkipListSet q = populatedSet(SIZE); |
372 |
|
ConcurrentSkipListSet p = populatedSet(i); |
373 |
|
assertTrue(q.removeAll(p)); |
374 |
< |
assertEquals(SIZE-i, q.size()); |
374 |
> |
assertEquals(SIZE - i, q.size()); |
375 |
|
for (int j = 0; j < i; ++j) { |
376 |
|
Integer x = (Integer)(p.pollFirst()); |
377 |
|
assertFalse(q.contains(x)); |
525 |
|
} |
526 |
|
|
527 |
|
/** |
528 |
< |
* A deserialized serialized set has same elements |
528 |
> |
* A cloned set equals original |
529 |
> |
*/ |
530 |
> |
public void testClone() { |
531 |
> |
ConcurrentSkipListSet x = populatedSet(SIZE); |
532 |
> |
ConcurrentSkipListSet y = x.clone(); |
533 |
> |
|
534 |
> |
assertNotSame(x, y); |
535 |
> |
assertEquals(x.size(), y.size()); |
536 |
> |
assertEquals(x, y); |
537 |
> |
assertEquals(y, x); |
538 |
> |
while (!x.isEmpty()) { |
539 |
> |
assertFalse(y.isEmpty()); |
540 |
> |
assertEquals(x.pollFirst(), y.pollFirst()); |
541 |
> |
} |
542 |
> |
assertTrue(y.isEmpty()); |
543 |
> |
} |
544 |
> |
|
545 |
> |
/** |
546 |
> |
* A deserialized/reserialized set equals original |
547 |
|
*/ |
548 |
|
public void testSerialization() throws Exception { |
549 |
|
NavigableSet x = populatedSet(SIZE); |
715 |
|
} |
716 |
|
|
717 |
|
static NavigableSet<Integer> newSet(Class cl) throws Exception { |
718 |
< |
NavigableSet<Integer> result = (NavigableSet<Integer>) cl.newInstance(); |
718 |
> |
NavigableSet<Integer> result = |
719 |
> |
(NavigableSet<Integer>) cl.getConstructor().newInstance(); |
720 |
|
assertEquals(0, result.size()); |
721 |
|
assertFalse(result.iterator().hasNext()); |
722 |
|
return result; |
999 |
|
} |
1000 |
|
|
1001 |
|
static boolean eq(Integer i, int j) { |
1002 |
< |
return i == null ? j == -1 : i == j; |
1002 |
> |
return (i == null) ? j == -1 : i == j; |
1003 |
|
} |
1004 |
|
|
1005 |
|
} |