6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
8 |
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|
9 |
– |
import junit.framework.*; |
9 |
|
import java.util.Arrays; |
10 |
|
import java.util.concurrent.atomic.AtomicReferenceArray; |
11 |
|
|
12 |
+ |
import junit.framework.Test; |
13 |
+ |
import junit.framework.TestSuite; |
14 |
+ |
|
15 |
|
public class AtomicReferenceArrayTest extends JSR166TestCase { |
16 |
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public static void main(String[] args) { |
17 |
< |
junit.textui.TestRunner.run(suite()); |
17 |
> |
main(suite(), args); |
18 |
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} |
19 |
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public static Test suite() { |
20 |
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return new TestSuite(AtomicReferenceArrayTest.class); |
36 |
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public void testConstructor2NPE() { |
37 |
|
try { |
38 |
|
Integer[] a = null; |
39 |
< |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(a); |
39 |
> |
new AtomicReferenceArray<Integer>(a); |
40 |
|
shouldThrow(); |
41 |
|
} catch (NullPointerException success) {} |
42 |
|
} |
53 |
|
} |
54 |
|
|
55 |
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/** |
56 |
< |
* Initialize AtomicReference<Class> with SubClass[] |
56 |
> |
* Initialize AtomicReferenceArray<Class> with SubClass[] |
57 |
|
*/ |
58 |
|
public void testConstructorSubClassArray() { |
59 |
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Integer[] a = { two, one, three, four, seven }; |
93 |
|
aa.weakCompareAndSet(index, null, null); |
94 |
|
shouldThrow(); |
95 |
|
} catch (IndexOutOfBoundsException success) {} |
96 |
+ |
try { |
97 |
+ |
aa.getPlain(index); |
98 |
+ |
shouldThrow(); |
99 |
+ |
} catch (IndexOutOfBoundsException success) {} |
100 |
+ |
try { |
101 |
+ |
aa.getOpaque(index); |
102 |
+ |
shouldThrow(); |
103 |
+ |
} catch (IndexOutOfBoundsException success) {} |
104 |
+ |
try { |
105 |
+ |
aa.getAcquire(index); |
106 |
+ |
shouldThrow(); |
107 |
+ |
} catch (IndexOutOfBoundsException success) {} |
108 |
+ |
try { |
109 |
+ |
aa.setPlain(index, null); |
110 |
+ |
shouldThrow(); |
111 |
+ |
} catch (IndexOutOfBoundsException success) {} |
112 |
+ |
try { |
113 |
+ |
aa.setOpaque(index, null); |
114 |
+ |
shouldThrow(); |
115 |
+ |
} catch (IndexOutOfBoundsException success) {} |
116 |
+ |
try { |
117 |
+ |
aa.setRelease(index, null); |
118 |
+ |
shouldThrow(); |
119 |
+ |
} catch (IndexOutOfBoundsException success) {} |
120 |
+ |
try { |
121 |
+ |
aa.compareAndExchange(index, null, null); |
122 |
+ |
shouldThrow(); |
123 |
+ |
} catch (IndexOutOfBoundsException success) {} |
124 |
+ |
try { |
125 |
+ |
aa.compareAndExchangeAcquire(index, null, null); |
126 |
+ |
shouldThrow(); |
127 |
+ |
} catch (IndexOutOfBoundsException success) {} |
128 |
+ |
try { |
129 |
+ |
aa.compareAndExchangeRelease(index, null, null); |
130 |
+ |
shouldThrow(); |
131 |
+ |
} catch (IndexOutOfBoundsException success) {} |
132 |
+ |
try { |
133 |
+ |
aa.weakCompareAndSetVolatile(index, null, null); |
134 |
+ |
shouldThrow(); |
135 |
+ |
} catch (IndexOutOfBoundsException success) {} |
136 |
+ |
try { |
137 |
+ |
aa.weakCompareAndSetAcquire(index, null, null); |
138 |
+ |
shouldThrow(); |
139 |
+ |
} catch (IndexOutOfBoundsException success) {} |
140 |
+ |
try { |
141 |
+ |
aa.weakCompareAndSetRelease(index, null, null); |
142 |
+ |
shouldThrow(); |
143 |
+ |
} catch (IndexOutOfBoundsException success) {} |
144 |
|
} |
145 |
|
} |
146 |
|
|
219 |
|
AtomicReferenceArray aa = new AtomicReferenceArray(SIZE); |
220 |
|
for (int i = 0; i < SIZE; i++) { |
221 |
|
aa.set(i, one); |
222 |
< |
while (!aa.weakCompareAndSet(i, one, two)); |
223 |
< |
while (!aa.weakCompareAndSet(i, two, m4)); |
222 |
> |
do {} while (!aa.weakCompareAndSet(i, one, two)); |
223 |
> |
do {} while (!aa.weakCompareAndSet(i, two, m4)); |
224 |
|
assertSame(m4, aa.get(i)); |
225 |
< |
while (!aa.weakCompareAndSet(i, m4, seven)); |
225 |
> |
do {} while (!aa.weakCompareAndSet(i, m4, seven)); |
226 |
|
assertSame(seven, aa.get(i)); |
227 |
|
} |
228 |
|
} |
249 |
|
x.set(i, new Integer(-i)); |
250 |
|
} |
251 |
|
AtomicReferenceArray y = serialClone(x); |
252 |
< |
assertTrue(x != y); |
252 |
> |
assertNotSame(x, y); |
253 |
|
assertEquals(x.length(), y.length()); |
254 |
|
for (int i = 0; i < SIZE; i++) { |
255 |
|
assertEquals(x.get(i), y.get(i)); |
264 |
|
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(a); |
265 |
|
assertEquals(Arrays.toString(a), aa.toString()); |
266 |
|
} |
267 |
+ |
|
268 |
+ |
// jdk9 |
269 |
+ |
|
270 |
+ |
/** |
271 |
+ |
* getPlain returns the last value set |
272 |
+ |
*/ |
273 |
+ |
public void testGetPlainSet() { |
274 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
275 |
+ |
for (int i = 0; i < SIZE; i++) { |
276 |
+ |
aa.set(i, one); |
277 |
+ |
assertEquals(one, aa.getPlain(i)); |
278 |
+ |
aa.set(i, two); |
279 |
+ |
assertEquals(two, aa.getPlain(i)); |
280 |
+ |
aa.set(i, m3); |
281 |
+ |
assertEquals(m3, aa.getPlain(i)); |
282 |
+ |
} |
283 |
+ |
} |
284 |
+ |
|
285 |
+ |
/** |
286 |
+ |
* getOpaque returns the last value set |
287 |
+ |
*/ |
288 |
+ |
public void testGetOpaqueSet() { |
289 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
290 |
+ |
for (int i = 0; i < SIZE; i++) { |
291 |
+ |
aa.set(i, one); |
292 |
+ |
assertEquals(one, aa.getOpaque(i)); |
293 |
+ |
aa.set(i, two); |
294 |
+ |
assertEquals(two, aa.getOpaque(i)); |
295 |
+ |
aa.set(i, m3); |
296 |
+ |
assertEquals(m3, aa.getOpaque(i)); |
297 |
+ |
} |
298 |
+ |
} |
299 |
+ |
|
300 |
+ |
/** |
301 |
+ |
* getAcquire returns the last value set |
302 |
+ |
*/ |
303 |
+ |
public void testGetAcquireSet() { |
304 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
305 |
+ |
for (int i = 0; i < SIZE; i++) { |
306 |
+ |
aa.set(i, one); |
307 |
+ |
assertEquals(one, aa.getAcquire(i)); |
308 |
+ |
aa.set(i, two); |
309 |
+ |
assertEquals(two, aa.getAcquire(i)); |
310 |
+ |
aa.set(i, m3); |
311 |
+ |
assertEquals(m3, aa.getAcquire(i)); |
312 |
+ |
} |
313 |
+ |
} |
314 |
+ |
|
315 |
+ |
/** |
316 |
+ |
* get returns the last value setPlain |
317 |
+ |
*/ |
318 |
+ |
public void testGetSetPlain() { |
319 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
320 |
+ |
for (int i = 0; i < SIZE; i++) { |
321 |
+ |
aa.setPlain(i, one); |
322 |
+ |
assertEquals(one, aa.get(i)); |
323 |
+ |
aa.setPlain(i, two); |
324 |
+ |
assertEquals(two, aa.get(i)); |
325 |
+ |
aa.setPlain(i, m3); |
326 |
+ |
assertEquals(m3, aa.get(i)); |
327 |
+ |
} |
328 |
+ |
} |
329 |
+ |
|
330 |
+ |
/** |
331 |
+ |
* get returns the last value setOpaque |
332 |
+ |
*/ |
333 |
+ |
public void testGetSetOpaque() { |
334 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
335 |
+ |
for (int i = 0; i < SIZE; i++) { |
336 |
+ |
aa.setOpaque(i, one); |
337 |
+ |
assertEquals(one, aa.get(i)); |
338 |
+ |
aa.setOpaque(i, two); |
339 |
+ |
assertEquals(two, aa.get(i)); |
340 |
+ |
aa.setOpaque(i, m3); |
341 |
+ |
assertEquals(m3, aa.get(i)); |
342 |
+ |
} |
343 |
+ |
} |
344 |
+ |
|
345 |
+ |
/** |
346 |
+ |
* get returns the last value setRelease |
347 |
+ |
*/ |
348 |
+ |
public void testGetSetRelease() { |
349 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
350 |
+ |
for (int i = 0; i < SIZE; i++) { |
351 |
+ |
aa.setRelease(i, one); |
352 |
+ |
assertEquals(one, aa.get(i)); |
353 |
+ |
aa.setRelease(i, two); |
354 |
+ |
assertEquals(two, aa.get(i)); |
355 |
+ |
aa.setRelease(i, m3); |
356 |
+ |
assertEquals(m3, aa.get(i)); |
357 |
+ |
} |
358 |
+ |
} |
359 |
+ |
|
360 |
+ |
/** |
361 |
+ |
* compareAndExchange succeeds in changing value if equal to |
362 |
+ |
* expected else fails |
363 |
+ |
*/ |
364 |
+ |
public void testCompareAndExchange() { |
365 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
366 |
+ |
for (int i = 0; i < SIZE; i++) { |
367 |
+ |
aa.set(i, one); |
368 |
+ |
assertEquals(one, aa.compareAndExchange(i, one, two)); |
369 |
+ |
assertEquals(two, aa.compareAndExchange(i, two, m4)); |
370 |
+ |
assertEquals(m4, aa.get(i)); |
371 |
+ |
assertEquals(m4, aa.compareAndExchange(i,m5, seven)); |
372 |
+ |
assertEquals(m4, aa.get(i)); |
373 |
+ |
assertEquals(m4, aa.compareAndExchange(i, m4, seven)); |
374 |
+ |
assertEquals(seven, aa.get(i)); |
375 |
+ |
} |
376 |
+ |
} |
377 |
+ |
|
378 |
+ |
/** |
379 |
+ |
* compareAndExchangeAcquire succeeds in changing value if equal to |
380 |
+ |
* expected else fails |
381 |
+ |
*/ |
382 |
+ |
public void testCompareAndExchangeAcquire() { |
383 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
384 |
+ |
for (int i = 0; i < SIZE; i++) { |
385 |
+ |
aa.set(i, one); |
386 |
+ |
assertEquals(one, aa.compareAndExchangeAcquire(i, one, two)); |
387 |
+ |
assertEquals(two, aa.compareAndExchangeAcquire(i, two, m4)); |
388 |
+ |
assertEquals(m4, aa.get(i)); |
389 |
+ |
assertEquals(m4, aa.compareAndExchangeAcquire(i,m5, seven)); |
390 |
+ |
assertEquals(m4, aa.get(i)); |
391 |
+ |
assertEquals(m4, aa.compareAndExchangeAcquire(i, m4, seven)); |
392 |
+ |
assertEquals(seven, aa.get(i)); |
393 |
+ |
} |
394 |
+ |
} |
395 |
+ |
|
396 |
+ |
/** |
397 |
+ |
* compareAndExchangeRelease succeeds in changing value if equal to |
398 |
+ |
* expected else fails |
399 |
+ |
*/ |
400 |
+ |
public void testCompareAndExchangeRelease() { |
401 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
402 |
+ |
for (int i = 0; i < SIZE; i++) { |
403 |
+ |
aa.set(i, one); |
404 |
+ |
assertEquals(one, aa.compareAndExchangeRelease(i, one, two)); |
405 |
+ |
assertEquals(two, aa.compareAndExchangeRelease(i, two, m4)); |
406 |
+ |
assertEquals(m4, aa.get(i)); |
407 |
+ |
assertEquals(m4, aa.compareAndExchangeRelease(i,m5, seven)); |
408 |
+ |
assertEquals(m4, aa.get(i)); |
409 |
+ |
assertEquals(m4, aa.compareAndExchangeRelease(i, m4, seven)); |
410 |
+ |
assertEquals(seven, aa.get(i)); |
411 |
+ |
} |
412 |
+ |
} |
413 |
+ |
|
414 |
+ |
/** |
415 |
+ |
* repeated weakCompareAndSetVolatile succeeds in changing value when equal |
416 |
+ |
* to expected |
417 |
+ |
*/ |
418 |
+ |
public void testWeakCompareAndSetVolatile() { |
419 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
420 |
+ |
for (int i = 0; i < SIZE; i++) { |
421 |
+ |
aa.set(i, one); |
422 |
+ |
do {} while (!aa.weakCompareAndSetVolatile(i, one, two)); |
423 |
+ |
do {} while (!aa.weakCompareAndSetVolatile(i, two, m4)); |
424 |
+ |
assertEquals(m4, aa.get(i)); |
425 |
+ |
do {} while (!aa.weakCompareAndSetVolatile(i, m4, seven)); |
426 |
+ |
assertEquals(seven, aa.get(i)); |
427 |
+ |
} |
428 |
+ |
} |
429 |
+ |
|
430 |
+ |
/** |
431 |
+ |
* repeated weakCompareAndSetAcquire succeeds in changing value when equal |
432 |
+ |
* to expected |
433 |
+ |
*/ |
434 |
+ |
public void testWeakCompareAndSetAcquire() { |
435 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
436 |
+ |
for (int i = 0; i < SIZE; i++) { |
437 |
+ |
aa.set(i, one); |
438 |
+ |
do {} while (!aa.weakCompareAndSetAcquire(i, one, two)); |
439 |
+ |
do {} while (!aa.weakCompareAndSetAcquire(i, two, m4)); |
440 |
+ |
assertEquals(m4, aa.get(i)); |
441 |
+ |
do {} while (!aa.weakCompareAndSetAcquire(i, m4, seven)); |
442 |
+ |
assertEquals(seven, aa.get(i)); |
443 |
+ |
} |
444 |
+ |
} |
445 |
+ |
|
446 |
+ |
/** |
447 |
+ |
* repeated weakCompareAndSetRelease succeeds in changing value when equal |
448 |
+ |
* to expected |
449 |
+ |
*/ |
450 |
+ |
public void testWeakCompareAndSetRelease() { |
451 |
+ |
AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE); |
452 |
+ |
for (int i = 0; i < SIZE; i++) { |
453 |
+ |
aa.set(i, one); |
454 |
+ |
do {} while (!aa.weakCompareAndSetRelease(i, one, two)); |
455 |
+ |
do {} while (!aa.weakCompareAndSetRelease(i, two, m4)); |
456 |
+ |
assertEquals(m4, aa.get(i)); |
457 |
+ |
do {} while (!aa.weakCompareAndSetRelease(i, m4, seven)); |
458 |
+ |
assertEquals(seven, aa.get(i)); |
459 |
+ |
} |
460 |
+ |
} |
461 |
+ |
|
462 |
|
} |