| 6 |
|
* Pat Fisher, Mike Judd. |
| 7 |
|
*/ |
| 8 |
|
|
| 9 |
< |
import junit.framework.*; |
| 10 |
< |
import java.util.*; |
| 11 |
< |
import java.util.concurrent.*; |
| 12 |
< |
import java.io.*; |
| 9 |
> |
import java.util.ArrayList; |
| 10 |
> |
import java.util.Arrays; |
| 11 |
> |
import java.util.Collection; |
| 12 |
> |
import java.util.Iterator; |
| 13 |
> |
import java.util.NoSuchElementException; |
| 14 |
> |
import java.util.Set; |
| 15 |
> |
import java.util.concurrent.CopyOnWriteArraySet; |
| 16 |
> |
|
| 17 |
> |
import junit.framework.Test; |
| 18 |
|
|
| 19 |
|
public class CopyOnWriteArraySetTest extends JSR166TestCase { |
| 20 |
|
public static void main(String[] args) { |
| 21 |
< |
junit.textui.TestRunner.run(suite()); |
| 21 |
> |
main(suite(), args); |
| 22 |
|
} |
| 23 |
|
public static Test suite() { |
| 24 |
< |
return new TestSuite(CopyOnWriteArraySetTest.class); |
| 24 |
> |
class Implementation implements CollectionImplementation { |
| 25 |
> |
public Class<?> klazz() { return CopyOnWriteArraySet.class; } |
| 26 |
> |
public Set emptyCollection() { return new CopyOnWriteArraySet(); } |
| 27 |
> |
public Object makeElement(int i) { return i; } |
| 28 |
> |
public boolean isConcurrent() { return true; } |
| 29 |
> |
public boolean permitsNulls() { return true; } |
| 30 |
> |
} |
| 31 |
> |
return newTestSuite( |
| 32 |
> |
CopyOnWriteArraySetTest.class, |
| 33 |
> |
CollectionTest.testSuite(new Implementation())); |
| 34 |
|
} |
| 35 |
|
|
| 36 |
< |
static CopyOnWriteArraySet populatedSet(int n) { |
| 37 |
< |
CopyOnWriteArraySet a = new CopyOnWriteArraySet(); |
| 36 |
> |
static CopyOnWriteArraySet<Integer> populatedSet(int n) { |
| 37 |
> |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
| 38 |
|
assertTrue(a.isEmpty()); |
| 39 |
< |
for (int i = 0; i < n; ++i) |
| 40 |
< |
a.add(new Integer(i)); |
| 41 |
< |
assertFalse(a.isEmpty()); |
| 39 |
> |
for (int i = 0; i < n; i++) |
| 40 |
> |
a.add(i); |
| 41 |
> |
assertEquals(n == 0, a.isEmpty()); |
| 42 |
|
assertEquals(n, a.size()); |
| 43 |
|
return a; |
| 44 |
|
} |
| 45 |
|
|
| 46 |
+ |
static CopyOnWriteArraySet populatedSet(Integer[] elements) { |
| 47 |
+ |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
| 48 |
+ |
assertTrue(a.isEmpty()); |
| 49 |
+ |
for (int i = 0; i < elements.length; i++) |
| 50 |
+ |
a.add(elements[i]); |
| 51 |
+ |
assertFalse(a.isEmpty()); |
| 52 |
+ |
assertEquals(elements.length, a.size()); |
| 53 |
+ |
return a; |
| 54 |
+ |
} |
| 55 |
+ |
|
| 56 |
|
/** |
| 57 |
|
* Default-constructed set is empty |
| 58 |
|
*/ |
| 66 |
|
*/ |
| 67 |
|
public void testConstructor3() { |
| 68 |
|
Integer[] ints = new Integer[SIZE]; |
| 69 |
< |
for (int i = 0; i < SIZE-1; ++i) |
| 69 |
> |
for (int i = 0; i < SIZE - 1; ++i) |
| 70 |
|
ints[i] = new Integer(i); |
| 71 |
|
CopyOnWriteArraySet a = new CopyOnWriteArraySet(Arrays.asList(ints)); |
| 72 |
|
for (int i = 0; i < SIZE; ++i) |
| 73 |
|
assertTrue(a.contains(ints[i])); |
| 74 |
|
} |
| 75 |
|
|
| 52 |
– |
|
| 76 |
|
/** |
| 77 |
< |
* addAll adds each element from the given collection |
| 77 |
> |
* addAll adds each non-duplicate element from the given collection |
| 78 |
|
*/ |
| 79 |
|
public void testAddAll() { |
| 80 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 81 |
< |
Vector v = new Vector(); |
| 82 |
< |
v.add(three); |
| 83 |
< |
v.add(four); |
| 61 |
< |
v.add(five); |
| 62 |
< |
full.addAll(v); |
| 80 |
> |
Set full = populatedSet(3); |
| 81 |
> |
assertTrue(full.addAll(Arrays.asList(three, four, five))); |
| 82 |
> |
assertEquals(6, full.size()); |
| 83 |
> |
assertFalse(full.addAll(Arrays.asList(three, four, five))); |
| 84 |
|
assertEquals(6, full.size()); |
| 85 |
|
} |
| 86 |
|
|
| 87 |
|
/** |
| 88 |
< |
* addAll adds each element from the given collection that did not |
| 68 |
< |
* already exist in the set |
| 88 |
> |
* addAll adds each non-duplicate element from the given collection |
| 89 |
|
*/ |
| 90 |
|
public void testAddAll2() { |
| 91 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 92 |
< |
Vector v = new Vector(); |
| 93 |
< |
v.add(three); |
| 94 |
< |
v.add(four); |
| 95 |
< |
v.add(one); // will not add this element |
| 76 |
< |
full.addAll(v); |
| 91 |
> |
Set full = populatedSet(3); |
| 92 |
> |
// "one" is duplicate and will not be added |
| 93 |
> |
assertTrue(full.addAll(Arrays.asList(three, four, one))); |
| 94 |
> |
assertEquals(5, full.size()); |
| 95 |
> |
assertFalse(full.addAll(Arrays.asList(three, four, one))); |
| 96 |
|
assertEquals(5, full.size()); |
| 97 |
|
} |
| 98 |
|
|
| 100 |
|
* add will not add the element if it already exists in the set |
| 101 |
|
*/ |
| 102 |
|
public void testAdd2() { |
| 103 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 103 |
> |
Set full = populatedSet(3); |
| 104 |
|
full.add(one); |
| 105 |
|
assertEquals(3, full.size()); |
| 106 |
|
} |
| 109 |
|
* add adds the element when it does not exist in the set |
| 110 |
|
*/ |
| 111 |
|
public void testAdd3() { |
| 112 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 112 |
> |
Set full = populatedSet(3); |
| 113 |
|
full.add(three); |
| 114 |
|
assertTrue(full.contains(three)); |
| 115 |
|
} |
| 118 |
|
* clear removes all elements from the set |
| 119 |
|
*/ |
| 120 |
|
public void testClear() { |
| 121 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 121 |
> |
Collection full = populatedSet(3); |
| 122 |
|
full.clear(); |
| 123 |
|
assertEquals(0, full.size()); |
| 124 |
+ |
assertTrue(full.isEmpty()); |
| 125 |
|
} |
| 126 |
|
|
| 127 |
|
/** |
| 128 |
|
* contains returns true for added elements |
| 129 |
|
*/ |
| 130 |
|
public void testContains() { |
| 131 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 131 |
> |
Collection full = populatedSet(3); |
| 132 |
|
assertTrue(full.contains(one)); |
| 133 |
|
assertFalse(full.contains(five)); |
| 134 |
|
} |
| 141 |
|
CopyOnWriteArraySet b = populatedSet(3); |
| 142 |
|
assertTrue(a.equals(b)); |
| 143 |
|
assertTrue(b.equals(a)); |
| 144 |
+ |
assertTrue(a.containsAll(b)); |
| 145 |
+ |
assertTrue(b.containsAll(a)); |
| 146 |
|
assertEquals(a.hashCode(), b.hashCode()); |
| 147 |
+ |
assertEquals(a.size(), b.size()); |
| 148 |
+ |
|
| 149 |
|
a.add(m1); |
| 150 |
|
assertFalse(a.equals(b)); |
| 151 |
|
assertFalse(b.equals(a)); |
| 152 |
+ |
assertTrue(a.containsAll(b)); |
| 153 |
+ |
assertFalse(b.containsAll(a)); |
| 154 |
|
b.add(m1); |
| 155 |
|
assertTrue(a.equals(b)); |
| 156 |
|
assertTrue(b.equals(a)); |
| 157 |
+ |
assertTrue(a.containsAll(b)); |
| 158 |
+ |
assertTrue(b.containsAll(a)); |
| 159 |
|
assertEquals(a.hashCode(), b.hashCode()); |
| 132 |
– |
} |
| 160 |
|
|
| 161 |
+ |
Object x = a.iterator().next(); |
| 162 |
+ |
a.remove(x); |
| 163 |
+ |
assertFalse(a.equals(b)); |
| 164 |
+ |
assertFalse(b.equals(a)); |
| 165 |
+ |
assertFalse(a.containsAll(b)); |
| 166 |
+ |
assertTrue(b.containsAll(a)); |
| 167 |
+ |
a.add(x); |
| 168 |
+ |
assertTrue(a.equals(b)); |
| 169 |
+ |
assertTrue(b.equals(a)); |
| 170 |
+ |
assertTrue(a.containsAll(b)); |
| 171 |
+ |
assertTrue(b.containsAll(a)); |
| 172 |
+ |
assertEquals(a.hashCode(), b.hashCode()); |
| 173 |
+ |
assertEquals(a.size(), b.size()); |
| 174 |
+ |
|
| 175 |
+ |
CopyOnWriteArraySet empty1 = new CopyOnWriteArraySet(Arrays.asList()); |
| 176 |
+ |
CopyOnWriteArraySet empty2 = new CopyOnWriteArraySet(Arrays.asList()); |
| 177 |
+ |
assertTrue(empty1.equals(empty1)); |
| 178 |
+ |
assertTrue(empty1.equals(empty2)); |
| 179 |
+ |
|
| 180 |
+ |
assertFalse(empty1.equals(a)); |
| 181 |
+ |
assertFalse(a.equals(empty1)); |
| 182 |
+ |
|
| 183 |
+ |
assertFalse(a.equals(null)); |
| 184 |
+ |
} |
| 185 |
|
|
| 186 |
|
/** |
| 187 |
|
* containsAll returns true for collections with subset of elements |
| 188 |
|
*/ |
| 189 |
|
public void testContainsAll() { |
| 190 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 191 |
< |
Vector v = new Vector(); |
| 192 |
< |
v.add(one); |
| 193 |
< |
v.add(two); |
| 194 |
< |
assertTrue(full.containsAll(v)); |
| 195 |
< |
v.add(six); |
| 196 |
< |
assertFalse(full.containsAll(v)); |
| 190 |
> |
Collection full = populatedSet(3); |
| 191 |
> |
assertTrue(full.containsAll(full)); |
| 192 |
> |
assertTrue(full.containsAll(Arrays.asList())); |
| 193 |
> |
assertTrue(full.containsAll(Arrays.asList(one))); |
| 194 |
> |
assertTrue(full.containsAll(Arrays.asList(one, two))); |
| 195 |
> |
assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
| 196 |
> |
assertFalse(full.containsAll(Arrays.asList(six))); |
| 197 |
> |
|
| 198 |
> |
CopyOnWriteArraySet empty1 = new CopyOnWriteArraySet(Arrays.asList()); |
| 199 |
> |
CopyOnWriteArraySet empty2 = new CopyOnWriteArraySet(Arrays.asList()); |
| 200 |
> |
assertTrue(empty1.containsAll(empty2)); |
| 201 |
> |
assertTrue(empty1.containsAll(empty1)); |
| 202 |
> |
assertFalse(empty1.containsAll(full)); |
| 203 |
> |
assertTrue(full.containsAll(empty1)); |
| 204 |
> |
|
| 205 |
> |
try { |
| 206 |
> |
full.containsAll(null); |
| 207 |
> |
shouldThrow(); |
| 208 |
> |
} catch (NullPointerException success) {} |
| 209 |
|
} |
| 210 |
|
|
| 211 |
|
/** |
| 212 |
|
* isEmpty is true when empty, else false |
| 213 |
|
*/ |
| 214 |
|
public void testIsEmpty() { |
| 215 |
< |
CopyOnWriteArraySet empty = new CopyOnWriteArraySet(); |
| 216 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 154 |
< |
assertTrue(empty.isEmpty()); |
| 155 |
< |
assertFalse(full.isEmpty()); |
| 215 |
> |
assertTrue(populatedSet(0).isEmpty()); |
| 216 |
> |
assertFalse(populatedSet(3).isEmpty()); |
| 217 |
|
} |
| 218 |
|
|
| 219 |
|
/** |
| 220 |
< |
* iterator() returns an iterator containing the elements of the set |
| 220 |
> |
* iterator() returns an iterator containing the elements of the |
| 221 |
> |
* set in insertion order |
| 222 |
|
*/ |
| 223 |
|
public void testIterator() { |
| 224 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 225 |
< |
Iterator i = full.iterator(); |
| 226 |
< |
int j; |
| 227 |
< |
for (j = 0; i.hasNext(); j++) |
| 228 |
< |
assertEquals(j, i.next()); |
| 229 |
< |
assertEquals(3, j); |
| 224 |
> |
Collection empty = new CopyOnWriteArraySet(); |
| 225 |
> |
assertFalse(empty.iterator().hasNext()); |
| 226 |
> |
try { |
| 227 |
> |
empty.iterator().next(); |
| 228 |
> |
shouldThrow(); |
| 229 |
> |
} catch (NoSuchElementException success) {} |
| 230 |
> |
|
| 231 |
> |
Integer[] elements = new Integer[SIZE]; |
| 232 |
> |
for (int i = 0; i < SIZE; i++) |
| 233 |
> |
elements[i] = i; |
| 234 |
> |
shuffle(elements); |
| 235 |
> |
Collection<Integer> full = populatedSet(elements); |
| 236 |
> |
|
| 237 |
> |
Iterator it = full.iterator(); |
| 238 |
> |
for (int j = 0; j < SIZE; j++) { |
| 239 |
> |
assertTrue(it.hasNext()); |
| 240 |
> |
assertEquals(elements[j], it.next()); |
| 241 |
> |
} |
| 242 |
> |
assertIteratorExhausted(it); |
| 243 |
> |
} |
| 244 |
> |
|
| 245 |
> |
/** |
| 246 |
> |
* iterator of empty collection has no elements |
| 247 |
> |
*/ |
| 248 |
> |
public void testEmptyIterator() { |
| 249 |
> |
assertIteratorExhausted(new CopyOnWriteArraySet().iterator()); |
| 250 |
|
} |
| 251 |
|
|
| 252 |
|
/** |
| 253 |
|
* iterator remove is unsupported |
| 254 |
|
*/ |
| 255 |
|
public void testIteratorRemove() { |
| 256 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 256 |
> |
Collection full = populatedSet(3); |
| 257 |
|
Iterator it = full.iterator(); |
| 258 |
|
it.next(); |
| 259 |
|
try { |
| 266 |
|
* toString holds toString of elements |
| 267 |
|
*/ |
| 268 |
|
public void testToString() { |
| 269 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 269 |
> |
assertEquals("[]", new CopyOnWriteArraySet().toString()); |
| 270 |
> |
Collection full = populatedSet(3); |
| 271 |
|
String s = full.toString(); |
| 272 |
< |
for (int i = 0; i < 3; ++i) { |
| 273 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
| 274 |
< |
} |
| 272 |
> |
for (int i = 0; i < 3; ++i) |
| 273 |
> |
assertTrue(s.contains(String.valueOf(i))); |
| 274 |
> |
assertEquals(new ArrayList(full).toString(), |
| 275 |
> |
full.toString()); |
| 276 |
|
} |
| 277 |
|
|
| 194 |
– |
|
| 278 |
|
/** |
| 279 |
|
* removeAll removes all elements from the given collection |
| 280 |
|
*/ |
| 281 |
|
public void testRemoveAll() { |
| 282 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 283 |
< |
Vector v = new Vector(); |
| 284 |
< |
v.add(one); |
| 285 |
< |
v.add(two); |
| 203 |
< |
full.removeAll(v); |
| 282 |
> |
Set full = populatedSet(3); |
| 283 |
> |
assertTrue(full.removeAll(Arrays.asList(one, two))); |
| 284 |
> |
assertEquals(1, full.size()); |
| 285 |
> |
assertFalse(full.removeAll(Arrays.asList(one, two))); |
| 286 |
|
assertEquals(1, full.size()); |
| 287 |
|
} |
| 288 |
|
|
| 207 |
– |
|
| 289 |
|
/** |
| 290 |
|
* remove removes an element |
| 291 |
|
*/ |
| 292 |
|
public void testRemove() { |
| 293 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 293 |
> |
Collection full = populatedSet(3); |
| 294 |
|
full.remove(one); |
| 295 |
|
assertFalse(full.contains(one)); |
| 296 |
|
assertEquals(2, full.size()); |
| 300 |
|
* size returns the number of elements |
| 301 |
|
*/ |
| 302 |
|
public void testSize() { |
| 303 |
< |
CopyOnWriteArraySet empty = new CopyOnWriteArraySet(); |
| 304 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 303 |
> |
Collection empty = new CopyOnWriteArraySet(); |
| 304 |
> |
Collection full = populatedSet(3); |
| 305 |
|
assertEquals(3, full.size()); |
| 306 |
|
assertEquals(0, empty.size()); |
| 307 |
|
} |
| 308 |
|
|
| 309 |
|
/** |
| 310 |
< |
* toArray returns an Object array containing all elements from the set |
| 310 |
> |
* toArray() returns an Object array containing all elements from |
| 311 |
> |
* the set in insertion order |
| 312 |
|
*/ |
| 313 |
|
public void testToArray() { |
| 314 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 315 |
< |
Object[] o = full.toArray(); |
| 316 |
< |
assertEquals(3, o.length); |
| 317 |
< |
assertEquals(0, o[0]); |
| 318 |
< |
assertEquals(1, o[1]); |
| 319 |
< |
assertEquals(2, o[2]); |
| 314 |
> |
Object[] a = new CopyOnWriteArraySet().toArray(); |
| 315 |
> |
assertTrue(Arrays.equals(new Object[0], a)); |
| 316 |
> |
assertSame(Object[].class, a.getClass()); |
| 317 |
> |
|
| 318 |
> |
Integer[] elements = new Integer[SIZE]; |
| 319 |
> |
for (int i = 0; i < SIZE; i++) |
| 320 |
> |
elements[i] = i; |
| 321 |
> |
shuffle(elements); |
| 322 |
> |
Collection<Integer> full = populatedSet(elements); |
| 323 |
> |
|
| 324 |
> |
assertTrue(Arrays.equals(elements, full.toArray())); |
| 325 |
> |
assertSame(Object[].class, full.toArray().getClass()); |
| 326 |
|
} |
| 327 |
|
|
| 328 |
|
/** |
| 329 |
< |
* toArray returns an Integer array containing all elements from |
| 330 |
< |
* the set |
| 329 |
> |
* toArray(Integer array) returns an Integer array containing all |
| 330 |
> |
* elements from the set in insertion order |
| 331 |
|
*/ |
| 332 |
|
public void testToArray2() { |
| 333 |
< |
CopyOnWriteArraySet full = populatedSet(3); |
| 334 |
< |
Integer[] i = new Integer[3]; |
| 335 |
< |
i = (Integer[])full.toArray(i); |
| 336 |
< |
assertEquals(3, i.length); |
| 337 |
< |
assertEquals(0, (int) i[0]); |
| 250 |
< |
assertEquals(1, (int) i[1]); |
| 251 |
< |
assertEquals(2, (int) i[2]); |
| 252 |
< |
} |
| 333 |
> |
Collection empty = new CopyOnWriteArraySet(); |
| 334 |
> |
Integer[] a; |
| 335 |
> |
|
| 336 |
> |
a = new Integer[0]; |
| 337 |
> |
assertSame(a, empty.toArray(a)); |
| 338 |
|
|
| 339 |
+ |
a = new Integer[SIZE / 2]; |
| 340 |
+ |
Arrays.fill(a, 42); |
| 341 |
+ |
assertSame(a, empty.toArray(a)); |
| 342 |
+ |
assertNull(a[0]); |
| 343 |
+ |
for (int i = 1; i < a.length; i++) |
| 344 |
+ |
assertEquals(42, (int) a[i]); |
| 345 |
+ |
|
| 346 |
+ |
Integer[] elements = new Integer[SIZE]; |
| 347 |
+ |
for (int i = 0; i < SIZE; i++) |
| 348 |
+ |
elements[i] = i; |
| 349 |
+ |
shuffle(elements); |
| 350 |
+ |
Collection<Integer> full = populatedSet(elements); |
| 351 |
+ |
|
| 352 |
+ |
Arrays.fill(a, 42); |
| 353 |
+ |
assertTrue(Arrays.equals(elements, full.toArray(a))); |
| 354 |
+ |
for (int i = 0; i < a.length; i++) |
| 355 |
+ |
assertEquals(42, (int) a[i]); |
| 356 |
+ |
assertSame(Integer[].class, full.toArray(a).getClass()); |
| 357 |
+ |
|
| 358 |
+ |
a = new Integer[SIZE]; |
| 359 |
+ |
Arrays.fill(a, 42); |
| 360 |
+ |
assertSame(a, full.toArray(a)); |
| 361 |
+ |
assertTrue(Arrays.equals(elements, a)); |
| 362 |
+ |
|
| 363 |
+ |
a = new Integer[2 * SIZE]; |
| 364 |
+ |
Arrays.fill(a, 42); |
| 365 |
+ |
assertSame(a, full.toArray(a)); |
| 366 |
+ |
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
| 367 |
+ |
assertNull(a[SIZE]); |
| 368 |
+ |
for (int i = SIZE + 1; i < a.length; i++) |
| 369 |
+ |
assertEquals(42, (int) a[i]); |
| 370 |
+ |
} |
| 371 |
|
|
| 372 |
|
/** |
| 373 |
|
* toArray throws an ArrayStoreException when the given array can |
| 374 |
|
* not store the objects inside the set |
| 375 |
|
*/ |
| 376 |
|
public void testToArray_ArrayStoreException() { |
| 377 |
+ |
CopyOnWriteArraySet c = new CopyOnWriteArraySet(); |
| 378 |
+ |
c.add("zfasdfsdf"); |
| 379 |
+ |
c.add("asdadasd"); |
| 380 |
|
try { |
| 261 |
– |
CopyOnWriteArraySet c = new CopyOnWriteArraySet(); |
| 262 |
– |
c.add("zfasdfsdf"); |
| 263 |
– |
c.add("asdadasd"); |
| 381 |
|
c.toArray(new Long[5]); |
| 382 |
|
shouldThrow(); |
| 383 |
|
} catch (ArrayStoreException success) {} |
| 384 |
|
} |
| 385 |
|
|
| 386 |
|
/** |
| 387 |
< |
* A deserialized serialized set is equal |
| 387 |
> |
* A deserialized/reserialized set equals original |
| 388 |
|
*/ |
| 389 |
|
public void testSerialization() throws Exception { |
| 390 |
< |
CopyOnWriteArraySet q = populatedSet(SIZE); |
| 390 |
> |
Set x = populatedSet(SIZE); |
| 391 |
> |
Set y = serialClone(x); |
| 392 |
|
|
| 393 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
| 394 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
| 395 |
< |
out.writeObject(q); |
| 396 |
< |
out.close(); |
| 397 |
< |
|
| 398 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
| 399 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
| 400 |
< |
CopyOnWriteArraySet r = (CopyOnWriteArraySet)in.readObject(); |
| 401 |
< |
assertEquals(q.size(), r.size()); |
| 402 |
< |
assertTrue(q.equals(r)); |
| 403 |
< |
assertTrue(r.equals(q)); |
| 393 |
> |
assertNotSame(y, x); |
| 394 |
> |
assertEquals(x.size(), y.size()); |
| 395 |
> |
assertEquals(x.toString(), y.toString()); |
| 396 |
> |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
| 397 |
> |
assertEquals(x, y); |
| 398 |
> |
assertEquals(y, x); |
| 399 |
> |
} |
| 400 |
> |
|
| 401 |
> |
/** |
| 402 |
> |
* addAll is idempotent |
| 403 |
> |
*/ |
| 404 |
> |
public void testAddAll_idempotent() throws Exception { |
| 405 |
> |
Set x = populatedSet(SIZE); |
| 406 |
> |
Set y = new CopyOnWriteArraySet(x); |
| 407 |
> |
y.addAll(x); |
| 408 |
> |
assertEquals(x, y); |
| 409 |
> |
assertEquals(y, x); |
| 410 |
|
} |
| 411 |
|
|
| 412 |
|
} |
