1 |
|
/* |
2 |
|
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
|
* Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
|
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
|
import junit.framework.*; |
10 |
|
import java.util.*; |
11 |
< |
import java.util.concurrent.*; |
12 |
< |
import java.util.Enumeration; |
13 |
< |
import java.io.*; |
11 |
> |
import java.util.concurrent.ConcurrentHashMap; |
12 |
|
|
13 |
< |
public class ConcurrentHashMapTest extends JSR166TestCase{ |
13 |
> |
public class ConcurrentHashMapTest extends JSR166TestCase { |
14 |
|
public static void main(String[] args) { |
15 |
< |
junit.textui.TestRunner.run (suite()); |
15 |
> |
junit.textui.TestRunner.run(suite()); |
16 |
|
} |
17 |
|
public static Test suite() { |
18 |
< |
return new TestSuite(ConcurrentHashMapTest.class); |
18 |
> |
return new TestSuite(ConcurrentHashMapTest.class); |
19 |
|
} |
20 |
|
|
21 |
|
/** |
22 |
< |
* Create a map from Integers 1-5 to Strings "A"-"E". |
22 |
> |
* Returns a new map from Integers 1-5 to Strings "A"-"E". |
23 |
|
*/ |
24 |
|
private static ConcurrentHashMap map5() { |
25 |
< |
ConcurrentHashMap map = new ConcurrentHashMap(5); |
25 |
> |
ConcurrentHashMap map = new ConcurrentHashMap(5); |
26 |
|
assertTrue(map.isEmpty()); |
27 |
< |
map.put(one, "A"); |
28 |
< |
map.put(two, "B"); |
29 |
< |
map.put(three, "C"); |
30 |
< |
map.put(four, "D"); |
31 |
< |
map.put(five, "E"); |
27 |
> |
map.put(one, "A"); |
28 |
> |
map.put(two, "B"); |
29 |
> |
map.put(three, "C"); |
30 |
> |
map.put(four, "D"); |
31 |
> |
map.put(five, "E"); |
32 |
|
assertFalse(map.isEmpty()); |
33 |
|
assertEquals(5, map.size()); |
34 |
< |
return map; |
34 |
> |
return map; |
35 |
> |
} |
36 |
> |
|
37 |
> |
// classes for testing Comparable fallbacks |
38 |
> |
static class BI implements Comparable<BI> { |
39 |
> |
private final int value; |
40 |
> |
BI(int value) { this.value = value; } |
41 |
> |
public int compareTo(BI other) { |
42 |
> |
return Integer.compare(value, other.value); |
43 |
> |
} |
44 |
> |
public boolean equals(Object x) { |
45 |
> |
return (x instanceof BI) && ((BI)x).value == value; |
46 |
> |
} |
47 |
> |
public int hashCode() { return 42; } |
48 |
> |
} |
49 |
> |
static class CI extends BI { CI(int value) { super(value); } } |
50 |
> |
static class DI extends BI { DI(int value) { super(value); } } |
51 |
> |
|
52 |
> |
static class BS implements Comparable<BS> { |
53 |
> |
private final String value; |
54 |
> |
BS(String value) { this.value = value; } |
55 |
> |
public int compareTo(BS other) { |
56 |
> |
return value.compareTo(other.value); |
57 |
> |
} |
58 |
> |
public boolean equals(Object x) { |
59 |
> |
return (x instanceof BS) && value.equals(((BS)x).value); |
60 |
> |
} |
61 |
> |
public int hashCode() { return 42; } |
62 |
> |
} |
63 |
> |
|
64 |
> |
static class LexicographicList<E extends Comparable<E>> extends ArrayList<E> |
65 |
> |
implements Comparable<LexicographicList<E>> { |
66 |
> |
LexicographicList(Collection<E> c) { super(c); } |
67 |
> |
LexicographicList(E e) { super(Collections.singleton(e)); } |
68 |
> |
public int compareTo(LexicographicList<E> other) { |
69 |
> |
int common = Math.min(size(), other.size()); |
70 |
> |
int r = 0; |
71 |
> |
for (int i = 0; i < common; i++) { |
72 |
> |
if ((r = get(i).compareTo(other.get(i))) != 0) |
73 |
> |
break; |
74 |
> |
} |
75 |
> |
if (r == 0) |
76 |
> |
r = Integer.compare(size(), other.size()); |
77 |
> |
return r; |
78 |
> |
} |
79 |
> |
private static final long serialVersionUID = 0; |
80 |
|
} |
81 |
|
|
82 |
|
/** |
83 |
< |
* clear removes all pairs |
83 |
> |
* Inserted elements that are subclasses of the same Comparable |
84 |
> |
* class are found. |
85 |
> |
*/ |
86 |
> |
public void testComparableFamily() { |
87 |
> |
ConcurrentHashMap<BI, Boolean> m = new ConcurrentHashMap<>(); |
88 |
> |
for (int i = 0; i < 1000; i++) { |
89 |
> |
assertTrue(m.put(new CI(i), true) == null); |
90 |
> |
} |
91 |
> |
for (int i = 0; i < 1000; i++) { |
92 |
> |
assertTrue(m.containsKey(new CI(i))); |
93 |
> |
assertTrue(m.containsKey(new DI(i))); |
94 |
> |
} |
95 |
> |
} |
96 |
> |
|
97 |
> |
/** |
98 |
> |
* Elements of classes with erased generic type parameters based |
99 |
> |
* on Comparable can be inserted and found. |
100 |
> |
*/ |
101 |
> |
public void testGenericComparable() { |
102 |
> |
ConcurrentHashMap<Object, Boolean> m = new ConcurrentHashMap<>(); |
103 |
> |
for (int i = 0; i < 1000; i++) { |
104 |
> |
BI bi = new BI(i); |
105 |
> |
BS bs = new BS(String.valueOf(i)); |
106 |
> |
LexicographicList<BI> bis = new LexicographicList<BI>(bi); |
107 |
> |
LexicographicList<BS> bss = new LexicographicList<BS>(bs); |
108 |
> |
assertTrue(m.putIfAbsent(bis, true) == null); |
109 |
> |
assertTrue(m.containsKey(bis)); |
110 |
> |
if (m.putIfAbsent(bss, true) == null) |
111 |
> |
assertTrue(m.containsKey(bss)); |
112 |
> |
assertTrue(m.containsKey(bis)); |
113 |
> |
} |
114 |
> |
for (int i = 0; i < 1000; i++) { |
115 |
> |
assertTrue(m.containsKey(new ArrayList(Collections.singleton(new BI(i))))); |
116 |
> |
} |
117 |
> |
} |
118 |
> |
|
119 |
> |
/** |
120 |
> |
* Elements of non-comparable classes equal to those of classes |
121 |
> |
* with erased generic type parameters based on Comparable can be |
122 |
> |
* inserted and found. |
123 |
> |
*/ |
124 |
> |
public void testGenericComparable2() { |
125 |
> |
ConcurrentHashMap<Object, Boolean> m = new ConcurrentHashMap<>(); |
126 |
> |
for (int i = 0; i < 1000; i++) { |
127 |
> |
m.put(new ArrayList(Collections.singleton(new BI(i))), true); |
128 |
> |
} |
129 |
> |
|
130 |
> |
for (int i = 0; i < 1000; i++) { |
131 |
> |
LexicographicList<BI> bis = new LexicographicList<BI>(new BI(i)); |
132 |
> |
assertTrue(m.containsKey(bis)); |
133 |
> |
} |
134 |
> |
} |
135 |
> |
|
136 |
> |
/** |
137 |
> |
* clear removes all pairs |
138 |
|
*/ |
139 |
|
public void testClear() { |
140 |
|
ConcurrentHashMap map = map5(); |
141 |
< |
map.clear(); |
142 |
< |
assertEquals(map.size(), 0); |
141 |
> |
map.clear(); |
142 |
> |
assertEquals(0, map.size()); |
143 |
|
} |
144 |
|
|
145 |
|
/** |
146 |
< |
* Maps with same contents are equal |
146 |
> |
* Maps with same contents are equal |
147 |
|
*/ |
148 |
|
public void testEquals() { |
149 |
|
ConcurrentHashMap map1 = map5(); |
150 |
|
ConcurrentHashMap map2 = map5(); |
151 |
|
assertEquals(map1, map2); |
152 |
|
assertEquals(map2, map1); |
153 |
< |
map1.clear(); |
153 |
> |
map1.clear(); |
154 |
|
assertFalse(map1.equals(map2)); |
155 |
|
assertFalse(map2.equals(map1)); |
156 |
|
} |
157 |
|
|
158 |
|
/** |
159 |
< |
* contains returns true for contained value |
159 |
> |
* contains returns true for contained value |
160 |
|
*/ |
161 |
|
public void testContains() { |
162 |
|
ConcurrentHashMap map = map5(); |
163 |
< |
assertTrue(map.contains("A")); |
163 |
> |
assertTrue(map.contains("A")); |
164 |
|
assertFalse(map.contains("Z")); |
165 |
|
} |
166 |
|
|
167 |
|
/** |
168 |
< |
* containsKey returns true for contained key |
168 |
> |
* containsKey returns true for contained key |
169 |
|
*/ |
170 |
|
public void testContainsKey() { |
171 |
|
ConcurrentHashMap map = map5(); |
172 |
< |
assertTrue(map.containsKey(one)); |
172 |
> |
assertTrue(map.containsKey(one)); |
173 |
|
assertFalse(map.containsKey(zero)); |
174 |
|
} |
175 |
|
|
176 |
|
/** |
177 |
< |
* containsValue returns true for held values |
177 |
> |
* containsValue returns true for held values |
178 |
|
*/ |
179 |
|
public void testContainsValue() { |
180 |
|
ConcurrentHashMap map = map5(); |
181 |
< |
assertTrue(map.containsValue("A")); |
181 |
> |
assertTrue(map.containsValue("A")); |
182 |
|
assertFalse(map.containsValue("Z")); |
183 |
|
} |
184 |
|
|
185 |
|
/** |
186 |
< |
* enumeration returns an enumeration containing the correct |
187 |
< |
* elements |
186 |
> |
* enumeration returns an enumeration containing the correct |
187 |
> |
* elements |
188 |
|
*/ |
189 |
|
public void testEnumeration() { |
190 |
|
ConcurrentHashMap map = map5(); |
191 |
< |
Enumeration e = map.elements(); |
192 |
< |
int count = 0; |
193 |
< |
while(e.hasMoreElements()){ |
194 |
< |
count++; |
195 |
< |
e.nextElement(); |
196 |
< |
} |
197 |
< |
assertEquals(5, count); |
191 |
> |
Enumeration e = map.elements(); |
192 |
> |
int count = 0; |
193 |
> |
while (e.hasMoreElements()) { |
194 |
> |
count++; |
195 |
> |
e.nextElement(); |
196 |
> |
} |
197 |
> |
assertEquals(5, count); |
198 |
|
} |
199 |
|
|
200 |
|
/** |
201 |
< |
* get returns the correct element at the given key, |
202 |
< |
* or null if not present |
201 |
> |
* get returns the correct element at the given key, |
202 |
> |
* or null if not present |
203 |
|
*/ |
204 |
|
public void testGet() { |
205 |
|
ConcurrentHashMap map = map5(); |
206 |
< |
assertEquals("A", (String)map.get(one)); |
206 |
> |
assertEquals("A", (String)map.get(one)); |
207 |
|
ConcurrentHashMap empty = new ConcurrentHashMap(); |
208 |
|
assertNull(map.get("anything")); |
209 |
|
} |
210 |
|
|
211 |
|
/** |
212 |
< |
* isEmpty is true of empty map and false for non-empty |
212 |
> |
* isEmpty is true of empty map and false for non-empty |
213 |
|
*/ |
214 |
|
public void testIsEmpty() { |
215 |
|
ConcurrentHashMap empty = new ConcurrentHashMap(); |
216 |
|
ConcurrentHashMap map = map5(); |
217 |
< |
assertTrue(empty.isEmpty()); |
217 |
> |
assertTrue(empty.isEmpty()); |
218 |
|
assertFalse(map.isEmpty()); |
219 |
|
} |
220 |
|
|
221 |
|
/** |
222 |
< |
* keys returns an enumeration containing all the keys from the map |
222 |
> |
* keys returns an enumeration containing all the keys from the map |
223 |
|
*/ |
224 |
|
public void testKeys() { |
225 |
|
ConcurrentHashMap map = map5(); |
226 |
< |
Enumeration e = map.keys(); |
227 |
< |
int count = 0; |
228 |
< |
while(e.hasMoreElements()){ |
229 |
< |
count++; |
230 |
< |
e.nextElement(); |
231 |
< |
} |
232 |
< |
assertEquals(5, count); |
226 |
> |
Enumeration e = map.keys(); |
227 |
> |
int count = 0; |
228 |
> |
while (e.hasMoreElements()) { |
229 |
> |
count++; |
230 |
> |
e.nextElement(); |
231 |
> |
} |
232 |
> |
assertEquals(5, count); |
233 |
|
} |
234 |
|
|
235 |
|
/** |
236 |
< |
* keySet returns a Set containing all the keys |
236 |
> |
* keySet returns a Set containing all the keys |
237 |
|
*/ |
238 |
|
public void testKeySet() { |
239 |
|
ConcurrentHashMap map = map5(); |
240 |
< |
Set s = map.keySet(); |
241 |
< |
assertEquals(5, s.size()); |
242 |
< |
assertTrue(s.contains(one)); |
243 |
< |
assertTrue(s.contains(two)); |
244 |
< |
assertTrue(s.contains(three)); |
245 |
< |
assertTrue(s.contains(four)); |
246 |
< |
assertTrue(s.contains(five)); |
240 |
> |
Set s = map.keySet(); |
241 |
> |
assertEquals(5, s.size()); |
242 |
> |
assertTrue(s.contains(one)); |
243 |
> |
assertTrue(s.contains(two)); |
244 |
> |
assertTrue(s.contains(three)); |
245 |
> |
assertTrue(s.contains(four)); |
246 |
> |
assertTrue(s.contains(five)); |
247 |
|
} |
248 |
|
|
249 |
|
/** |
250 |
< |
* keySet.toArray returns contains all keys |
250 |
> |
* keySet.toArray returns contains all keys |
251 |
|
*/ |
252 |
|
public void testKeySetToArray() { |
253 |
|
ConcurrentHashMap map = map5(); |
254 |
< |
Set s = map.keySet(); |
254 |
> |
Set s = map.keySet(); |
255 |
|
Object[] ar = s.toArray(); |
256 |
|
assertTrue(s.containsAll(Arrays.asList(ar))); |
257 |
< |
assertEquals(5, ar.length); |
257 |
> |
assertEquals(5, ar.length); |
258 |
|
ar[0] = m10; |
259 |
|
assertFalse(s.containsAll(Arrays.asList(ar))); |
260 |
|
} |
261 |
|
|
262 |
|
/** |
263 |
< |
* Values.toArray contains all values |
263 |
> |
* Values.toArray contains all values |
264 |
|
*/ |
265 |
|
public void testValuesToArray() { |
266 |
|
ConcurrentHashMap map = map5(); |
267 |
< |
Collection v = map.values(); |
267 |
> |
Collection v = map.values(); |
268 |
|
Object[] ar = v.toArray(); |
269 |
|
ArrayList s = new ArrayList(Arrays.asList(ar)); |
270 |
< |
assertEquals(5, ar.length); |
271 |
< |
assertTrue(s.contains("A")); |
272 |
< |
assertTrue(s.contains("B")); |
273 |
< |
assertTrue(s.contains("C")); |
274 |
< |
assertTrue(s.contains("D")); |
275 |
< |
assertTrue(s.contains("E")); |
270 |
> |
assertEquals(5, ar.length); |
271 |
> |
assertTrue(s.contains("A")); |
272 |
> |
assertTrue(s.contains("B")); |
273 |
> |
assertTrue(s.contains("C")); |
274 |
> |
assertTrue(s.contains("D")); |
275 |
> |
assertTrue(s.contains("E")); |
276 |
|
} |
277 |
|
|
278 |
|
/** |
279 |
< |
* entrySet.toArray contains all entries |
279 |
> |
* entrySet.toArray contains all entries |
280 |
|
*/ |
281 |
|
public void testEntrySetToArray() { |
282 |
|
ConcurrentHashMap map = map5(); |
283 |
< |
Set s = map.entrySet(); |
283 |
> |
Set s = map.entrySet(); |
284 |
|
Object[] ar = s.toArray(); |
285 |
|
assertEquals(5, ar.length); |
286 |
|
for (int i = 0; i < 5; ++i) { |
294 |
|
*/ |
295 |
|
public void testValues() { |
296 |
|
ConcurrentHashMap map = map5(); |
297 |
< |
Collection s = map.values(); |
298 |
< |
assertEquals(5, s.size()); |
299 |
< |
assertTrue(s.contains("A")); |
300 |
< |
assertTrue(s.contains("B")); |
301 |
< |
assertTrue(s.contains("C")); |
302 |
< |
assertTrue(s.contains("D")); |
303 |
< |
assertTrue(s.contains("E")); |
297 |
> |
Collection s = map.values(); |
298 |
> |
assertEquals(5, s.size()); |
299 |
> |
assertTrue(s.contains("A")); |
300 |
> |
assertTrue(s.contains("B")); |
301 |
> |
assertTrue(s.contains("C")); |
302 |
> |
assertTrue(s.contains("D")); |
303 |
> |
assertTrue(s.contains("E")); |
304 |
|
} |
305 |
|
|
306 |
|
/** |
308 |
|
*/ |
309 |
|
public void testEntrySet() { |
310 |
|
ConcurrentHashMap map = map5(); |
311 |
< |
Set s = map.entrySet(); |
312 |
< |
assertEquals(5, s.size()); |
311 |
> |
Set s = map.entrySet(); |
312 |
> |
assertEquals(5, s.size()); |
313 |
|
Iterator it = s.iterator(); |
314 |
|
while (it.hasNext()) { |
315 |
|
Map.Entry e = (Map.Entry) it.next(); |
323 |
|
} |
324 |
|
|
325 |
|
/** |
326 |
< |
* putAll adds all key-value pairs from the given map |
326 |
> |
* putAll adds all key-value pairs from the given map |
327 |
|
*/ |
328 |
|
public void testPutAll() { |
329 |
|
ConcurrentHashMap empty = new ConcurrentHashMap(); |
330 |
|
ConcurrentHashMap map = map5(); |
331 |
< |
empty.putAll(map); |
332 |
< |
assertEquals(5, empty.size()); |
333 |
< |
assertTrue(empty.containsKey(one)); |
334 |
< |
assertTrue(empty.containsKey(two)); |
335 |
< |
assertTrue(empty.containsKey(three)); |
336 |
< |
assertTrue(empty.containsKey(four)); |
337 |
< |
assertTrue(empty.containsKey(five)); |
331 |
> |
empty.putAll(map); |
332 |
> |
assertEquals(5, empty.size()); |
333 |
> |
assertTrue(empty.containsKey(one)); |
334 |
> |
assertTrue(empty.containsKey(two)); |
335 |
> |
assertTrue(empty.containsKey(three)); |
336 |
> |
assertTrue(empty.containsKey(four)); |
337 |
> |
assertTrue(empty.containsKey(five)); |
338 |
|
} |
339 |
|
|
340 |
|
/** |
341 |
< |
* putIfAbsent works when the given key is not present |
341 |
> |
* putIfAbsent works when the given key is not present |
342 |
|
*/ |
343 |
|
public void testPutIfAbsent() { |
344 |
|
ConcurrentHashMap map = map5(); |
345 |
< |
map.putIfAbsent(six, "Z"); |
345 |
> |
map.putIfAbsent(six, "Z"); |
346 |
|
assertTrue(map.containsKey(six)); |
347 |
|
} |
348 |
|
|
349 |
|
/** |
350 |
< |
* putIfAbsent does not add the pair if the key is already present |
350 |
> |
* putIfAbsent does not add the pair if the key is already present |
351 |
|
*/ |
352 |
|
public void testPutIfAbsent2() { |
353 |
|
ConcurrentHashMap map = map5(); |
355 |
|
} |
356 |
|
|
357 |
|
/** |
358 |
< |
* replace fails when the given key is not present |
358 |
> |
* replace fails when the given key is not present |
359 |
|
*/ |
360 |
|
public void testReplace() { |
361 |
|
ConcurrentHashMap map = map5(); |
362 |
< |
assertNull(map.replace(six, "Z")); |
362 |
> |
assertNull(map.replace(six, "Z")); |
363 |
|
assertFalse(map.containsKey(six)); |
364 |
|
} |
365 |
|
|
366 |
|
/** |
367 |
< |
* replace succeeds if the key is already present |
367 |
> |
* replace succeeds if the key is already present |
368 |
|
*/ |
369 |
|
public void testReplace2() { |
370 |
|
ConcurrentHashMap map = map5(); |
372 |
|
assertEquals("Z", map.get(one)); |
373 |
|
} |
374 |
|
|
278 |
– |
|
375 |
|
/** |
376 |
|
* replace value fails when the given key not mapped to expected value |
377 |
|
*/ |
378 |
|
public void testReplaceValue() { |
379 |
|
ConcurrentHashMap map = map5(); |
380 |
|
assertEquals("A", map.get(one)); |
381 |
< |
assertFalse(map.replace(one, "Z", "Z")); |
381 |
> |
assertFalse(map.replace(one, "Z", "Z")); |
382 |
|
assertEquals("A", map.get(one)); |
383 |
|
} |
384 |
|
|
388 |
|
public void testReplaceValue2() { |
389 |
|
ConcurrentHashMap map = map5(); |
390 |
|
assertEquals("A", map.get(one)); |
391 |
< |
assertTrue(map.replace(one, "A", "Z")); |
391 |
> |
assertTrue(map.replace(one, "A", "Z")); |
392 |
|
assertEquals("Z", map.get(one)); |
393 |
|
} |
394 |
|
|
299 |
– |
|
395 |
|
/** |
396 |
< |
* remove removes the correct key-value pair from the map |
396 |
> |
* remove removes the correct key-value pair from the map |
397 |
|
*/ |
398 |
|
public void testRemove() { |
399 |
|
ConcurrentHashMap map = map5(); |
400 |
< |
map.remove(five); |
401 |
< |
assertEquals(4, map.size()); |
402 |
< |
assertFalse(map.containsKey(five)); |
400 |
> |
map.remove(five); |
401 |
> |
assertEquals(4, map.size()); |
402 |
> |
assertFalse(map.containsKey(five)); |
403 |
|
} |
404 |
|
|
405 |
|
/** |
407 |
|
*/ |
408 |
|
public void testRemove2() { |
409 |
|
ConcurrentHashMap map = map5(); |
410 |
< |
map.remove(five, "E"); |
411 |
< |
assertEquals(4, map.size()); |
412 |
< |
assertFalse(map.containsKey(five)); |
413 |
< |
map.remove(four, "A"); |
414 |
< |
assertEquals(4, map.size()); |
415 |
< |
assertTrue(map.containsKey(four)); |
321 |
< |
|
410 |
> |
map.remove(five, "E"); |
411 |
> |
assertEquals(4, map.size()); |
412 |
> |
assertFalse(map.containsKey(five)); |
413 |
> |
map.remove(four, "A"); |
414 |
> |
assertEquals(4, map.size()); |
415 |
> |
assertTrue(map.containsKey(four)); |
416 |
|
} |
417 |
|
|
418 |
|
/** |
419 |
< |
* size returns the correct values |
419 |
> |
* size returns the correct values |
420 |
|
*/ |
421 |
|
public void testSize() { |
422 |
|
ConcurrentHashMap map = map5(); |
423 |
|
ConcurrentHashMap empty = new ConcurrentHashMap(); |
424 |
< |
assertEquals(0, empty.size()); |
425 |
< |
assertEquals(5, map.size()); |
424 |
> |
assertEquals(0, empty.size()); |
425 |
> |
assertEquals(5, map.size()); |
426 |
|
} |
427 |
|
|
428 |
|
/** |
432 |
|
ConcurrentHashMap map = map5(); |
433 |
|
String s = map.toString(); |
434 |
|
for (int i = 1; i <= 5; ++i) { |
435 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
435 |
> |
assertTrue(s.contains(String.valueOf(i))); |
436 |
|
} |
437 |
|
} |
438 |
|
|
445 |
|
try { |
446 |
|
new ConcurrentHashMap(-1,0,1); |
447 |
|
shouldThrow(); |
448 |
< |
} catch(IllegalArgumentException e){} |
448 |
> |
} catch (IllegalArgumentException success) {} |
449 |
|
} |
450 |
|
|
451 |
|
/** |
455 |
|
try { |
456 |
|
new ConcurrentHashMap(1,0,-1); |
457 |
|
shouldThrow(); |
458 |
< |
} catch(IllegalArgumentException e){} |
458 |
> |
} catch (IllegalArgumentException success) {} |
459 |
|
} |
460 |
|
|
461 |
|
/** |
465 |
|
try { |
466 |
|
new ConcurrentHashMap(-1); |
467 |
|
shouldThrow(); |
468 |
< |
} catch(IllegalArgumentException e){} |
468 |
> |
} catch (IllegalArgumentException success) {} |
469 |
|
} |
470 |
|
|
471 |
|
/** |
476 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
477 |
|
c.get(null); |
478 |
|
shouldThrow(); |
479 |
< |
} catch(NullPointerException e){} |
479 |
> |
} catch (NullPointerException success) {} |
480 |
|
} |
481 |
|
|
482 |
|
/** |
487 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
488 |
|
c.containsKey(null); |
489 |
|
shouldThrow(); |
490 |
< |
} catch(NullPointerException e){} |
490 |
> |
} catch (NullPointerException success) {} |
491 |
|
} |
492 |
|
|
493 |
|
/** |
498 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
499 |
|
c.containsValue(null); |
500 |
|
shouldThrow(); |
501 |
< |
} catch(NullPointerException e){} |
501 |
> |
} catch (NullPointerException success) {} |
502 |
|
} |
503 |
|
|
504 |
|
/** |
509 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
510 |
|
c.contains(null); |
511 |
|
shouldThrow(); |
512 |
< |
} catch(NullPointerException e){} |
512 |
> |
} catch (NullPointerException success) {} |
513 |
|
} |
514 |
|
|
515 |
|
/** |
520 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
521 |
|
c.put(null, "whatever"); |
522 |
|
shouldThrow(); |
523 |
< |
} catch(NullPointerException e){} |
523 |
> |
} catch (NullPointerException success) {} |
524 |
|
} |
525 |
|
|
526 |
|
/** |
531 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
532 |
|
c.put("whatever", null); |
533 |
|
shouldThrow(); |
534 |
< |
} catch(NullPointerException e){} |
534 |
> |
} catch (NullPointerException success) {} |
535 |
|
} |
536 |
|
|
537 |
|
/** |
542 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
543 |
|
c.putIfAbsent(null, "whatever"); |
544 |
|
shouldThrow(); |
545 |
< |
} catch(NullPointerException e){} |
545 |
> |
} catch (NullPointerException success) {} |
546 |
|
} |
547 |
|
|
548 |
|
/** |
553 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
554 |
|
c.replace(null, "whatever"); |
555 |
|
shouldThrow(); |
556 |
< |
} catch(NullPointerException e){} |
556 |
> |
} catch (NullPointerException success) {} |
557 |
|
} |
558 |
|
|
559 |
|
/** |
564 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
565 |
|
c.replace(null, one, "whatever"); |
566 |
|
shouldThrow(); |
567 |
< |
} catch(NullPointerException e){} |
567 |
> |
} catch (NullPointerException success) {} |
568 |
|
} |
569 |
|
|
570 |
|
/** |
575 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
576 |
|
c.putIfAbsent("whatever", null); |
577 |
|
shouldThrow(); |
578 |
< |
} catch(NullPointerException e){} |
578 |
> |
} catch (NullPointerException success) {} |
579 |
|
} |
580 |
|
|
487 |
– |
|
581 |
|
/** |
582 |
|
* replace(x, null) throws NPE |
583 |
|
*/ |
586 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
587 |
|
c.replace("whatever", null); |
588 |
|
shouldThrow(); |
589 |
< |
} catch(NullPointerException e){} |
589 |
> |
} catch (NullPointerException success) {} |
590 |
|
} |
591 |
|
|
592 |
|
/** |
597 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
598 |
|
c.replace("whatever", null, "A"); |
599 |
|
shouldThrow(); |
600 |
< |
} catch(NullPointerException e){} |
600 |
> |
} catch (NullPointerException success) {} |
601 |
|
} |
602 |
|
|
603 |
|
/** |
608 |
|
ConcurrentHashMap c = new ConcurrentHashMap(5); |
609 |
|
c.replace("whatever", one, null); |
610 |
|
shouldThrow(); |
611 |
< |
} catch(NullPointerException e){} |
611 |
> |
} catch (NullPointerException success) {} |
612 |
|
} |
613 |
|
|
521 |
– |
|
614 |
|
/** |
615 |
|
* remove(null) throws NPE |
616 |
|
*/ |
620 |
|
c.put("sadsdf", "asdads"); |
621 |
|
c.remove(null); |
622 |
|
shouldThrow(); |
623 |
< |
} catch(NullPointerException e){} |
623 |
> |
} catch (NullPointerException success) {} |
624 |
|
} |
625 |
|
|
626 |
|
/** |
632 |
|
c.put("sadsdf", "asdads"); |
633 |
|
c.remove(null, "whatever"); |
634 |
|
shouldThrow(); |
635 |
< |
} catch(NullPointerException e){} |
635 |
> |
} catch (NullPointerException success) {} |
636 |
|
} |
637 |
|
|
638 |
|
/** |
639 |
|
* remove(x, null) returns false |
640 |
|
*/ |
641 |
|
public void testRemove3() { |
642 |
< |
try { |
643 |
< |
ConcurrentHashMap c = new ConcurrentHashMap(5); |
644 |
< |
c.put("sadsdf", "asdads"); |
553 |
< |
assertFalse(c.remove("sadsdf", null)); |
554 |
< |
} catch(NullPointerException e){ |
555 |
< |
fail(); |
556 |
< |
} |
642 |
> |
ConcurrentHashMap c = new ConcurrentHashMap(5); |
643 |
> |
c.put("sadsdf", "asdads"); |
644 |
> |
assertFalse(c.remove("sadsdf", null)); |
645 |
|
} |
646 |
|
|
647 |
|
/** |
648 |
|
* A deserialized map equals original |
649 |
|
*/ |
650 |
< |
public void testSerialization() { |
651 |
< |
ConcurrentHashMap q = map5(); |
652 |
< |
|
653 |
< |
try { |
654 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
655 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
656 |
< |
out.writeObject(q); |
657 |
< |
out.close(); |
570 |
< |
|
571 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
572 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
573 |
< |
ConcurrentHashMap r = (ConcurrentHashMap)in.readObject(); |
574 |
< |
assertEquals(q.size(), r.size()); |
575 |
< |
assertTrue(q.equals(r)); |
576 |
< |
assertTrue(r.equals(q)); |
577 |
< |
} catch(Exception e){ |
578 |
< |
e.printStackTrace(); |
579 |
< |
unexpectedException(); |
580 |
< |
} |
650 |
> |
public void testSerialization() throws Exception { |
651 |
> |
Map x = map5(); |
652 |
> |
Map y = serialClone(x); |
653 |
> |
|
654 |
> |
assertNotSame(x, y); |
655 |
> |
assertEquals(x.size(), y.size()); |
656 |
> |
assertEquals(x, y); |
657 |
> |
assertEquals(y, x); |
658 |
|
} |
659 |
|
|
583 |
– |
|
660 |
|
/** |
661 |
|
* SetValue of an EntrySet entry sets value in the map. |
662 |
|
*/ |
668 |
|
map.put(new Integer(i), new Integer(i)); |
669 |
|
assertFalse(map.isEmpty()); |
670 |
|
Map.Entry entry1 = (Map.Entry)map.entrySet().iterator().next(); |
671 |
< |
|
672 |
< |
// assert that entry1 is not 16 |
673 |
< |
assertTrue("entry is 16, test not valid", |
674 |
< |
!entry1.getKey().equals(new Integer(16))); |
675 |
< |
|
676 |
< |
// remove 16 (a different key) from map |
677 |
< |
// which just happens to cause entry1 to be cloned in map |
678 |
< |
map.remove(new Integer(16)); |
679 |
< |
entry1.setValue("XYZ"); |
604 |
< |
assertTrue(map.containsValue("XYZ")); // fails |
671 |
> |
// Unless it happens to be first (in which case remainder of |
672 |
> |
// test is skipped), remove a possibly-colliding key from map |
673 |
> |
// which, under some implementations, may cause entry1 to be |
674 |
> |
// cloned in map |
675 |
> |
if (!entry1.getKey().equals(new Integer(16))) { |
676 |
> |
map.remove(new Integer(16)); |
677 |
> |
entry1.setValue("XYZ"); |
678 |
> |
assertTrue(map.containsValue("XYZ")); // fails if write-through broken |
679 |
> |
} |
680 |
|
} |
681 |
|
|
682 |
|
} |