| 8 |
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| 9 |
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import junit.framework.*; |
| 10 |
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import java.util.Arrays; |
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+ |
import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.Set; |
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import java.util.Vector; |
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return new TestSuite(CopyOnWriteArraySetTest.class); |
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} |
| 24 |
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|
| 25 |
< |
static CopyOnWriteArraySet populatedSet(int n) { |
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< |
CopyOnWriteArraySet a = new CopyOnWriteArraySet(); |
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> |
static CopyOnWriteArraySet<Integer> populatedSet(int n) { |
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> |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < n; ++i) |
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< |
a.add(new Integer(i)); |
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> |
a.add(i); |
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assertFalse(a.isEmpty()); |
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assertEquals(n, a.size()); |
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return a; |
| 33 |
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} |
| 34 |
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|
| 35 |
+ |
static CopyOnWriteArraySet populatedSet(Integer[] elements) { |
| 36 |
+ |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
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+ |
assertTrue(a.isEmpty()); |
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+ |
for (int i = 0; i < elements.length; i++) |
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a.add(elements[i]); |
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+ |
assertFalse(a.isEmpty()); |
| 41 |
+ |
assertEquals(elements.length, a.size()); |
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return a; |
| 43 |
+ |
} |
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+ |
|
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/** |
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* Default-constructed set is empty |
| 47 |
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*/ |
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} |
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|
| 237 |
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/** |
| 238 |
< |
* toArray returns an Object array containing all elements from the set |
| 238 |
> |
* toArray() returns an Object array containing all elements from |
| 239 |
> |
* the set in insertion order |
| 240 |
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*/ |
| 241 |
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public void testToArray() { |
| 242 |
< |
CopyOnWriteArraySet<Integer> full = populatedSet(SIZE); |
| 243 |
< |
Object[] array = full.toArray(); |
| 244 |
< |
Iterator<Integer> it = full.iterator(); |
| 242 |
> |
Object[] a = new CopyOnWriteArraySet().toArray(); |
| 243 |
> |
assertTrue(Arrays.equals(new Object[0], a)); |
| 244 |
> |
assertSame(Object[].class, a.getClass()); |
| 245 |
> |
|
| 246 |
> |
Integer[] elements = new Integer[SIZE]; |
| 247 |
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for (int i = 0; i < SIZE; i++) |
| 248 |
< |
assertSame(array[i], it.next()); |
| 249 |
< |
assertFalse(it.hasNext()); |
| 248 |
> |
elements[i] = i; |
| 249 |
> |
Collections.shuffle(Arrays.asList(elements)); |
| 250 |
> |
CopyOnWriteArraySet<Integer> full = populatedSet(elements); |
| 251 |
> |
|
| 252 |
> |
assertTrue(Arrays.equals(elements, full.toArray())); |
| 253 |
> |
assertSame(Object[].class, full.toArray().getClass()); |
| 254 |
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} |
| 255 |
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|
| 256 |
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/** |
| 257 |
< |
* toArray returns an Integer array containing all elements from |
| 258 |
< |
* the set |
| 257 |
> |
* toArray(Integer array) returns an Integer array containing all |
| 258 |
> |
* elements from the set in insertion order |
| 259 |
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*/ |
| 260 |
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public void testToArray2() { |
| 261 |
< |
CopyOnWriteArraySet<Integer> full = populatedSet(SIZE); |
| 262 |
< |
Integer[] ints = new Integer[SIZE]; |
| 263 |
< |
assertSame(ints, full.toArray(ints)); |
| 264 |
< |
Iterator<Integer> it = full.iterator(); |
| 261 |
> |
CopyOnWriteArraySet empty = new CopyOnWriteArraySet(); |
| 262 |
> |
Integer[] a; |
| 263 |
> |
|
| 264 |
> |
a = new Integer[0]; |
| 265 |
> |
assertSame(a, empty.toArray(a)); |
| 266 |
> |
|
| 267 |
> |
a = new Integer[SIZE/2]; |
| 268 |
> |
Arrays.fill(a, 42); |
| 269 |
> |
assertSame(a, empty.toArray(a)); |
| 270 |
> |
assertNull(a[0]); |
| 271 |
> |
for (int i = 1; i < a.length; i++) |
| 272 |
> |
assertEquals(42, (int) a[i]); |
| 273 |
> |
|
| 274 |
> |
Integer[] elements = new Integer[SIZE]; |
| 275 |
|
for (int i = 0; i < SIZE; i++) |
| 276 |
< |
assertSame(ints[i], it.next()); |
| 277 |
< |
assertFalse(it.hasNext()); |
| 276 |
> |
elements[i] = i; |
| 277 |
> |
Collections.shuffle(Arrays.asList(elements)); |
| 278 |
> |
CopyOnWriteArraySet<Integer> full = populatedSet(elements); |
| 279 |
> |
|
| 280 |
> |
Arrays.fill(a, 42); |
| 281 |
> |
assertTrue(Arrays.equals(elements, full.toArray(a))); |
| 282 |
> |
for (int i = 0; i < a.length; i++) |
| 283 |
> |
assertEquals(42, (int) a[i]); |
| 284 |
> |
assertSame(Integer[].class, full.toArray(a).getClass()); |
| 285 |
> |
|
| 286 |
> |
a = new Integer[SIZE]; |
| 287 |
> |
Arrays.fill(a, 42); |
| 288 |
> |
assertSame(a, full.toArray(a)); |
| 289 |
> |
assertTrue(Arrays.equals(elements, a)); |
| 290 |
> |
|
| 291 |
> |
a = new Integer[2*SIZE]; |
| 292 |
> |
Arrays.fill(a, 42); |
| 293 |
> |
assertSame(a, full.toArray(a)); |
| 294 |
> |
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
| 295 |
> |
assertNull(a[SIZE]); |
| 296 |
> |
for (int i = SIZE + 1; i < a.length; i++) |
| 297 |
> |
assertEquals(42, (int) a[i]); |
| 298 |
|
} |
| 299 |
|
|
| 300 |
|
/** |
