13 |
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|
14 |
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public class AtomicReferenceTest extends JSR166TestCase { |
15 |
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public static void main(String[] args) { |
16 |
< |
junit.textui.TestRunner.run(suite()); |
16 |
> |
main(suite(), args); |
17 |
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} |
18 |
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public static Test suite() { |
19 |
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return new TestSuite(AtomicReferenceTest.class); |
98 |
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*/ |
99 |
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public void testWeakCompareAndSet() { |
100 |
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AtomicReference ai = new AtomicReference(one); |
101 |
< |
while (!ai.weakCompareAndSet(one, two)); |
102 |
< |
while (!ai.weakCompareAndSet(two, m4)); |
101 |
> |
do {} while (!ai.weakCompareAndSet(one, two)); |
102 |
> |
do {} while (!ai.weakCompareAndSet(two, m4)); |
103 |
|
assertSame(m4, ai.get()); |
104 |
< |
while (!ai.weakCompareAndSet(m4, seven)); |
104 |
> |
do {} while (!ai.weakCompareAndSet(m4, seven)); |
105 |
|
assertSame(seven, ai.get()); |
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} |
107 |
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|
140 |
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assertEquals(two.toString(), ai.toString()); |
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} |
142 |
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|
143 |
+ |
// jdk9 |
144 |
+ |
|
145 |
+ |
/** |
146 |
+ |
* getPlain returns the last value set |
147 |
+ |
*/ |
148 |
+ |
public void testGetPlainSet() { |
149 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
150 |
+ |
assertEquals(one, ai.getPlain()); |
151 |
+ |
ai.set(two); |
152 |
+ |
assertEquals(two, ai.getPlain()); |
153 |
+ |
ai.set(m3); |
154 |
+ |
assertEquals(m3, ai.getPlain()); |
155 |
+ |
} |
156 |
+ |
|
157 |
+ |
/** |
158 |
+ |
* getOpaque returns the last value set |
159 |
+ |
*/ |
160 |
+ |
public void testGetOpaqueSet() { |
161 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
162 |
+ |
assertEquals(one, ai.getOpaque()); |
163 |
+ |
ai.set(two); |
164 |
+ |
assertEquals(two, ai.getOpaque()); |
165 |
+ |
ai.set(m3); |
166 |
+ |
assertEquals(m3, ai.getOpaque()); |
167 |
+ |
} |
168 |
+ |
|
169 |
+ |
/** |
170 |
+ |
* getAcquire returns the last value set |
171 |
+ |
*/ |
172 |
+ |
public void testGetAcquireSet() { |
173 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
174 |
+ |
assertEquals(one, ai.getAcquire()); |
175 |
+ |
ai.set(two); |
176 |
+ |
assertEquals(two, ai.getAcquire()); |
177 |
+ |
ai.set(m3); |
178 |
+ |
assertEquals(m3, ai.getAcquire()); |
179 |
+ |
} |
180 |
+ |
|
181 |
+ |
/** |
182 |
+ |
* get returns the last value setPlain |
183 |
+ |
*/ |
184 |
+ |
public void testGetSetPlain() { |
185 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
186 |
+ |
assertEquals(one, ai.get()); |
187 |
+ |
ai.setPlain(two); |
188 |
+ |
assertEquals(two, ai.get()); |
189 |
+ |
ai.setPlain(m3); |
190 |
+ |
assertEquals(m3, ai.get()); |
191 |
+ |
} |
192 |
+ |
|
193 |
+ |
/** |
194 |
+ |
* get returns the last value setOpaque |
195 |
+ |
*/ |
196 |
+ |
public void testGetSetOpaque() { |
197 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
198 |
+ |
assertEquals(one, ai.get()); |
199 |
+ |
ai.setOpaque(two); |
200 |
+ |
assertEquals(two, ai.get()); |
201 |
+ |
ai.setOpaque(m3); |
202 |
+ |
assertEquals(m3, ai.get()); |
203 |
+ |
} |
204 |
+ |
|
205 |
+ |
/** |
206 |
+ |
* get returns the last value setRelease |
207 |
+ |
*/ |
208 |
+ |
public void testGetSetRelease() { |
209 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
210 |
+ |
assertEquals(one, ai.get()); |
211 |
+ |
ai.setRelease(two); |
212 |
+ |
assertEquals(two, ai.get()); |
213 |
+ |
ai.setRelease(m3); |
214 |
+ |
assertEquals(m3, ai.get()); |
215 |
+ |
} |
216 |
+ |
|
217 |
+ |
/** |
218 |
+ |
* compareAndExchange succeeds in changing value if equal to |
219 |
+ |
* expected else fails |
220 |
+ |
*/ |
221 |
+ |
public void testCompareAndExchange() { |
222 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
223 |
+ |
assertEquals(one, ai.compareAndExchange(one, two)); |
224 |
+ |
assertEquals(two, ai.compareAndExchange(two, m4)); |
225 |
+ |
assertEquals(m4, ai.get()); |
226 |
+ |
assertEquals(m4, ai.compareAndExchange(m5, seven)); |
227 |
+ |
assertEquals(m4, ai.get()); |
228 |
+ |
assertEquals(m4, ai.compareAndExchange(m4, seven)); |
229 |
+ |
assertEquals(seven, ai.get()); |
230 |
+ |
} |
231 |
+ |
|
232 |
+ |
/** |
233 |
+ |
* compareAndExchangeAcquire succeeds in changing value if equal to |
234 |
+ |
* expected else fails |
235 |
+ |
*/ |
236 |
+ |
public void testCompareAndExchangeAcquire() { |
237 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
238 |
+ |
assertEquals(one, ai.compareAndExchangeAcquire(one, two)); |
239 |
+ |
assertEquals(two, ai.compareAndExchangeAcquire(two, m4)); |
240 |
+ |
assertEquals(m4, ai.get()); |
241 |
+ |
assertEquals(m4, ai.compareAndExchangeAcquire(m5, seven)); |
242 |
+ |
assertEquals(m4, ai.get()); |
243 |
+ |
assertEquals(m4, ai.compareAndExchangeAcquire(m4, seven)); |
244 |
+ |
assertEquals(seven, ai.get()); |
245 |
+ |
} |
246 |
+ |
|
247 |
+ |
/** |
248 |
+ |
* compareAndExchangeRelease succeeds in changing value if equal to |
249 |
+ |
* expected else fails |
250 |
+ |
*/ |
251 |
+ |
public void testCompareAndExchangeRelease() { |
252 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
253 |
+ |
assertEquals(one, ai.compareAndExchangeRelease(one, two)); |
254 |
+ |
assertEquals(two, ai.compareAndExchangeRelease(two, m4)); |
255 |
+ |
assertEquals(m4, ai.get()); |
256 |
+ |
assertEquals(m4, ai.compareAndExchangeRelease(m5, seven)); |
257 |
+ |
assertEquals(m4, ai.get()); |
258 |
+ |
assertEquals(m4, ai.compareAndExchangeRelease(m4, seven)); |
259 |
+ |
assertEquals(seven, ai.get()); |
260 |
+ |
} |
261 |
+ |
|
262 |
+ |
/** |
263 |
+ |
* repeated weakCompareAndSetVolatile succeeds in changing value when equal |
264 |
+ |
* to expected |
265 |
+ |
*/ |
266 |
+ |
public void testWeakCompareAndSetVolatile() { |
267 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
268 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(one, two)); |
269 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(two, m4)); |
270 |
+ |
assertEquals(m4, ai.get()); |
271 |
+ |
do {} while (!ai.weakCompareAndSetVolatile(m4, seven)); |
272 |
+ |
assertEquals(seven, ai.get()); |
273 |
+ |
} |
274 |
+ |
|
275 |
+ |
/** |
276 |
+ |
* repeated weakCompareAndSetAcquire succeeds in changing value when equal |
277 |
+ |
* to expected |
278 |
+ |
*/ |
279 |
+ |
public void testWeakCompareAndSetAcquire() { |
280 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
281 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(one, two)); |
282 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(two, m4)); |
283 |
+ |
assertEquals(m4, ai.get()); |
284 |
+ |
do {} while (!ai.weakCompareAndSetAcquire(m4, seven)); |
285 |
+ |
assertEquals(seven, ai.get()); |
286 |
+ |
} |
287 |
+ |
|
288 |
+ |
/** |
289 |
+ |
* repeated weakCompareAndSetRelease succeeds in changing value when equal |
290 |
+ |
* to expected |
291 |
+ |
*/ |
292 |
+ |
public void testWeakCompareAndSetRelease() { |
293 |
+ |
AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
294 |
+ |
do {} while (!ai.weakCompareAndSetRelease(one, two)); |
295 |
+ |
do {} while (!ai.weakCompareAndSetRelease(two, m4)); |
296 |
+ |
assertEquals(m4, ai.get()); |
297 |
+ |
do {} while (!ai.weakCompareAndSetRelease(m4, seven)); |
298 |
+ |
assertEquals(seven, ai.get()); |
299 |
+ |
} |
300 |
+ |
|
301 |
+ |
|
302 |
+ |
|
303 |
|
} |