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|
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public class AtomicIntegerTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(AtomicIntegerTest.class); |
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} |
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} |
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|
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// jdk9 |
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|
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/** |
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* getPlain returns the last value set |
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*/ |
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public void testGetPlainSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getPlain()); |
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ai.set(2); |
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assertEquals(2, ai.getPlain()); |
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ai.set(-3); |
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assertEquals(-3, ai.getPlain()); |
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} |
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|
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/** |
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* getOpaque returns the last value set |
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*/ |
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public void testGetOpaqueSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getOpaque()); |
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ai.set(2); |
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assertEquals(2, ai.getOpaque()); |
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ai.set(-3); |
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assertEquals(-3, ai.getOpaque()); |
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} |
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|
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/** |
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* getAcquire returns the last value set |
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*/ |
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public void testGetAcquireSet() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.getAcquire()); |
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ai.set(2); |
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assertEquals(2, ai.getAcquire()); |
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ai.set(-3); |
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assertEquals(-3, ai.getAcquire()); |
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} |
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|
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/** |
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* get returns the last value setPlain |
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*/ |
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public void testGetSetPlain() { |
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AtomicInteger ai = new AtomicInteger(1); |
310 |
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assertEquals(1, ai.get()); |
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ai.setPlain(2); |
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assertEquals(2, ai.get()); |
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ai.setPlain(-3); |
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assertEquals(-3, ai.get()); |
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} |
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|
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/** |
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* get returns the last value setOpaque |
319 |
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*/ |
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+ |
public void testGetSetOpaque() { |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1, ai.get()); |
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ai.setOpaque(2); |
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assertEquals(2, ai.get()); |
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ai.setOpaque(-3); |
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assertEquals(-3, ai.get()); |
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} |
328 |
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|
329 |
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/** |
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* get returns the last value setRelease |
331 |
+ |
*/ |
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+ |
public void testGetSetRelease() { |
333 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
334 |
+ |
assertEquals(1, ai.get()); |
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ai.setRelease(2); |
336 |
+ |
assertEquals(2, ai.get()); |
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+ |
ai.setRelease(-3); |
338 |
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assertEquals(-3, ai.get()); |
339 |
+ |
} |
340 |
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|
341 |
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/** |
342 |
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* compareAndExchange succeeds in changing value if equal to |
343 |
+ |
* expected else fails |
344 |
+ |
*/ |
345 |
+ |
public void testCompareAndExchange() { |
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+ |
AtomicInteger ai = new AtomicInteger(1); |
347 |
+ |
assertEquals(1, ai.compareAndExchange(1, 2)); |
348 |
+ |
assertEquals(2, ai.compareAndExchange(2, -4)); |
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assertEquals(-4, ai.get()); |
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+ |
assertEquals(-4, ai.compareAndExchange(-5, 7)); |
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+ |
assertEquals(-4, ai.get()); |
352 |
+ |
assertEquals(-4, ai.compareAndExchange(-4, 7)); |
353 |
+ |
assertEquals(7, ai.get()); |
354 |
+ |
} |
355 |
+ |
|
356 |
+ |
/** |
357 |
+ |
* compareAndExchangeAcquire succeeds in changing value if equal to |
358 |
+ |
* expected else fails |
359 |
+ |
*/ |
360 |
+ |
public void testCompareAndExchangeAcquire() { |
361 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
362 |
+ |
assertEquals(1, ai.compareAndExchangeAcquire(1, 2)); |
363 |
+ |
assertEquals(2, ai.compareAndExchangeAcquire(2, -4)); |
364 |
+ |
assertEquals(-4, ai.get()); |
365 |
+ |
assertEquals(-4, ai.compareAndExchangeAcquire(-5, 7)); |
366 |
+ |
assertEquals(-4, ai.get()); |
367 |
+ |
assertEquals(-4, ai.compareAndExchangeAcquire(-4, 7)); |
368 |
+ |
assertEquals(7, ai.get()); |
369 |
+ |
} |
370 |
+ |
|
371 |
+ |
/** |
372 |
+ |
* compareAndExchangeRelease succeeds in changing value if equal to |
373 |
+ |
* expected else fails |
374 |
+ |
*/ |
375 |
+ |
public void testCompareAndExchangeRelease() { |
376 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
377 |
+ |
assertEquals(1, ai.compareAndExchangeRelease(1, 2)); |
378 |
+ |
assertEquals(2, ai.compareAndExchangeRelease(2, -4)); |
379 |
+ |
assertEquals(-4, ai.get()); |
380 |
+ |
assertEquals(-4, ai.compareAndExchangeRelease(-5, 7)); |
381 |
+ |
assertEquals(-4, ai.get()); |
382 |
+ |
assertEquals(-4, ai.compareAndExchangeRelease(-4, 7)); |
383 |
+ |
assertEquals(7, ai.get()); |
384 |
+ |
} |
385 |
+ |
|
386 |
+ |
/** |
387 |
+ |
* repeated weakCompareAndSetVolatile succeeds in changing value when equal |
388 |
+ |
* to expected |
389 |
+ |
*/ |
390 |
+ |
public void testWeakCompareAndSetVolatile() { |
391 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
392 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(1, 2)); |
393 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(2, -4)); |
394 |
+ |
assertEquals(-4, ai.get()); |
395 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(-4, 7)); |
396 |
+ |
assertEquals(7, ai.get()); |
397 |
+ |
} |
398 |
+ |
|
399 |
+ |
/** |
400 |
+ |
* repeated weakCompareAndSetAcquire succeeds in changing value when equal |
401 |
+ |
* to expected |
402 |
+ |
*/ |
403 |
+ |
public void testWeakCompareAndSetAcquire() { |
404 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
405 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(1, 2)); |
406 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(2, -4)); |
407 |
+ |
assertEquals(-4, ai.get()); |
408 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(-4, 7)); |
409 |
+ |
assertEquals(7, ai.get()); |
410 |
+ |
} |
411 |
+ |
|
412 |
+ |
/** |
413 |
+ |
* repeated weakCompareAndSetRelease succeeds in changing value when equal |
414 |
+ |
* to expected |
415 |
+ |
*/ |
416 |
+ |
public void testWeakCompareAndSetRelease() { |
417 |
+ |
AtomicInteger ai = new AtomicInteger(1); |
418 |
+ |
do {} while (!ai.weakCompareAndSetRelease(1, 2)); |
419 |
+ |
do {} while (!ai.weakCompareAndSetRelease(2, -4)); |
420 |
+ |
assertEquals(-4, ai.get()); |
421 |
+ |
do {} while (!ai.weakCompareAndSetRelease(-4, 7)); |
422 |
+ |
assertEquals(7, ai.get()); |
423 |
+ |
} |
424 |
+ |
|
425 |
+ |
|
426 |
|
} |