267 |
|
} |
268 |
|
} |
269 |
|
|
270 |
– |
// jdk9 |
271 |
– |
|
272 |
– |
/** |
273 |
– |
* getPlain returns the last value set |
274 |
– |
*/ |
275 |
– |
public void testGetPlainSet() { |
276 |
– |
AtomicLong ai = new AtomicLong(1); |
277 |
– |
assertEquals(1, ai.getPlain()); |
278 |
– |
ai.set(2); |
279 |
– |
assertEquals(2, ai.getPlain()); |
280 |
– |
ai.set(-3); |
281 |
– |
assertEquals(-3, ai.getPlain()); |
282 |
– |
} |
283 |
– |
|
284 |
– |
/** |
285 |
– |
* getOpaque returns the last value set |
286 |
– |
*/ |
287 |
– |
public void testGetOpaqueSet() { |
288 |
– |
AtomicLong ai = new AtomicLong(1); |
289 |
– |
assertEquals(1, ai.getOpaque()); |
290 |
– |
ai.set(2); |
291 |
– |
assertEquals(2, ai.getOpaque()); |
292 |
– |
ai.set(-3); |
293 |
– |
assertEquals(-3, ai.getOpaque()); |
294 |
– |
} |
295 |
– |
|
296 |
– |
/** |
297 |
– |
* getAcquire returns the last value set |
298 |
– |
*/ |
299 |
– |
public void testGetAcquireSet() { |
300 |
– |
AtomicLong ai = new AtomicLong(1); |
301 |
– |
assertEquals(1, ai.getAcquire()); |
302 |
– |
ai.set(2); |
303 |
– |
assertEquals(2, ai.getAcquire()); |
304 |
– |
ai.set(-3); |
305 |
– |
assertEquals(-3, ai.getAcquire()); |
306 |
– |
} |
307 |
– |
|
308 |
– |
/** |
309 |
– |
* get returns the last value setPlain |
310 |
– |
*/ |
311 |
– |
public void testGetSetPlain() { |
312 |
– |
AtomicLong ai = new AtomicLong(1); |
313 |
– |
assertEquals(1, ai.get()); |
314 |
– |
ai.setPlain(2); |
315 |
– |
assertEquals(2, ai.get()); |
316 |
– |
ai.setPlain(-3); |
317 |
– |
assertEquals(-3, ai.get()); |
318 |
– |
} |
319 |
– |
|
320 |
– |
/** |
321 |
– |
* get returns the last value setOpaque |
322 |
– |
*/ |
323 |
– |
public void testGetSetOpaque() { |
324 |
– |
AtomicLong ai = new AtomicLong(1); |
325 |
– |
assertEquals(1, ai.get()); |
326 |
– |
ai.setOpaque(2); |
327 |
– |
assertEquals(2, ai.get()); |
328 |
– |
ai.setOpaque(-3); |
329 |
– |
assertEquals(-3, ai.get()); |
330 |
– |
} |
331 |
– |
|
332 |
– |
/** |
333 |
– |
* get returns the last value setRelease |
334 |
– |
*/ |
335 |
– |
public void testGetSetRelease() { |
336 |
– |
AtomicLong ai = new AtomicLong(1); |
337 |
– |
assertEquals(1, ai.get()); |
338 |
– |
ai.setRelease(2); |
339 |
– |
assertEquals(2, ai.get()); |
340 |
– |
ai.setRelease(-3); |
341 |
– |
assertEquals(-3, ai.get()); |
342 |
– |
} |
343 |
– |
|
344 |
– |
/** |
345 |
– |
* compareAndExchange succeeds in changing value if equal to |
346 |
– |
* expected else fails |
347 |
– |
*/ |
348 |
– |
public void testCompareAndExchange() { |
349 |
– |
AtomicLong ai = new AtomicLong(1); |
350 |
– |
assertEquals(1, ai.compareAndExchange(1, 2)); |
351 |
– |
assertEquals(2, ai.compareAndExchange(2, -4)); |
352 |
– |
assertEquals(-4, ai.get()); |
353 |
– |
assertEquals(-4, ai.compareAndExchange(-5, 7)); |
354 |
– |
assertEquals(-4, ai.get()); |
355 |
– |
assertEquals(-4, ai.compareAndExchange(-4, 7)); |
356 |
– |
assertEquals(7, ai.get()); |
357 |
– |
} |
358 |
– |
|
359 |
– |
/** |
360 |
– |
* compareAndExchangeAcquire succeeds in changing value if equal to |
361 |
– |
* expected else fails |
362 |
– |
*/ |
363 |
– |
public void testCompareAndExchangeAcquire() { |
364 |
– |
AtomicLong ai = new AtomicLong(1); |
365 |
– |
assertEquals(1, ai.compareAndExchangeAcquire(1, 2)); |
366 |
– |
assertEquals(2, ai.compareAndExchangeAcquire(2, -4)); |
367 |
– |
assertEquals(-4, ai.get()); |
368 |
– |
assertEquals(-4, ai.compareAndExchangeAcquire(-5, 7)); |
369 |
– |
assertEquals(-4, ai.get()); |
370 |
– |
assertEquals(-4, ai.compareAndExchangeAcquire(-4, 7)); |
371 |
– |
assertEquals(7, ai.get()); |
372 |
– |
} |
373 |
– |
|
374 |
– |
/** |
375 |
– |
* compareAndExchangeRelease succeeds in changing value if equal to |
376 |
– |
* expected else fails |
377 |
– |
*/ |
378 |
– |
public void testCompareAndExchangeRelease() { |
379 |
– |
AtomicLong ai = new AtomicLong(1); |
380 |
– |
assertEquals(1, ai.compareAndExchangeRelease(1, 2)); |
381 |
– |
assertEquals(2, ai.compareAndExchangeRelease(2, -4)); |
382 |
– |
assertEquals(-4, ai.get()); |
383 |
– |
assertEquals(-4, ai.compareAndExchangeRelease(-5, 7)); |
384 |
– |
assertEquals(-4, ai.get()); |
385 |
– |
assertEquals(-4, ai.compareAndExchangeRelease(-4, 7)); |
386 |
– |
assertEquals(7, ai.get()); |
387 |
– |
} |
388 |
– |
|
389 |
– |
/** |
390 |
– |
* repeated weakCompareAndSetVolatile succeeds in changing value when equal |
391 |
– |
* to expected |
392 |
– |
*/ |
393 |
– |
public void testWeakCompareAndSetVolatile() { |
394 |
– |
AtomicLong ai = new AtomicLong(1); |
395 |
– |
do {} while (!ai.weakCompareAndSetVolatile(1, 2)); |
396 |
– |
do {} while (!ai.weakCompareAndSetVolatile(2, -4)); |
397 |
– |
assertEquals(-4, ai.get()); |
398 |
– |
do {} while (!ai.weakCompareAndSetVolatile(-4, 7)); |
399 |
– |
assertEquals(7, ai.get()); |
400 |
– |
} |
401 |
– |
|
402 |
– |
/** |
403 |
– |
* repeated weakCompareAndSetAcquire succeeds in changing value when equal |
404 |
– |
* to expected |
405 |
– |
*/ |
406 |
– |
public void testWeakCompareAndSetAcquire() { |
407 |
– |
AtomicLong ai = new AtomicLong(1); |
408 |
– |
do {} while (!ai.weakCompareAndSetAcquire(1, 2)); |
409 |
– |
do {} while (!ai.weakCompareAndSetAcquire(2, -4)); |
410 |
– |
assertEquals(-4, ai.get()); |
411 |
– |
do {} while (!ai.weakCompareAndSetAcquire(-4, 7)); |
412 |
– |
assertEquals(7, ai.get()); |
413 |
– |
} |
414 |
– |
|
415 |
– |
/** |
416 |
– |
* repeated weakCompareAndSetRelease succeeds in changing value when equal |
417 |
– |
* to expected |
418 |
– |
*/ |
419 |
– |
public void testWeakCompareAndSetRelease() { |
420 |
– |
AtomicLong ai = new AtomicLong(1); |
421 |
– |
do {} while (!ai.weakCompareAndSetRelease(1, 2)); |
422 |
– |
do {} while (!ai.weakCompareAndSetRelease(2, -4)); |
423 |
– |
assertEquals(-4, ai.get()); |
424 |
– |
do {} while (!ai.weakCompareAndSetRelease(-4, 7)); |
425 |
– |
assertEquals(7, ai.get()); |
426 |
– |
} |
427 |
– |
|
270 |
|
} |