27 |
|
try{ |
28 |
|
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> |
29 |
|
a = AtomicIntegerFieldUpdater.newUpdater |
30 |
< |
(getClass(), "y"); |
30 |
> |
(AtomicIntegerFieldUpdaterTest.class, "y"); |
31 |
|
shouldThrow(); |
32 |
|
} |
33 |
|
catch (RuntimeException rt) {} |
40 |
|
try{ |
41 |
|
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> |
42 |
|
a = AtomicIntegerFieldUpdater.newUpdater |
43 |
< |
(getClass(), "z"); |
43 |
> |
(AtomicIntegerFieldUpdaterTest.class, "z"); |
44 |
|
shouldThrow(); |
45 |
|
} |
46 |
|
catch (RuntimeException rt) {} |
53 |
|
try{ |
54 |
|
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> |
55 |
|
a = AtomicIntegerFieldUpdater.newUpdater |
56 |
< |
(getClass(), "w"); |
56 |
> |
(AtomicIntegerFieldUpdaterTest.class, "w"); |
57 |
|
shouldThrow(); |
58 |
|
} |
59 |
|
catch (RuntimeException rt) {} |
63 |
|
* get returns the last value set or assigned |
64 |
|
*/ |
65 |
|
public void testGetSet() { |
66 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
66 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
67 |
|
x = 1; |
68 |
|
assertEquals(1,a.get(this)); |
69 |
|
a.set(this,2); |
76 |
|
* compareAndSet succeeds in changing value if equal to expected else fails |
77 |
|
*/ |
78 |
|
public void testCompareAndSet() { |
79 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
79 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
80 |
|
x = 1; |
81 |
|
assertTrue(a.compareAndSet(this,1,2)); |
82 |
|
assertTrue(a.compareAndSet(this,2,-4)); |
94 |
|
*/ |
95 |
|
public void testCompareAndSetInMultipleThreads() { |
96 |
|
x = 1; |
97 |
< |
final AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
97 |
> |
final AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
98 |
|
|
99 |
|
Thread t = new Thread(new Runnable() { |
100 |
|
public void run() { |
117 |
|
* to expected |
118 |
|
*/ |
119 |
|
public void testWeakCompareAndSet() { |
120 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
120 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
121 |
|
x = 1; |
122 |
|
while(!a.weakCompareAndSet(this,1,2)); |
123 |
|
while(!a.weakCompareAndSet(this,2,-4)); |
130 |
|
* getAndSet returns previous value and sets to given value |
131 |
|
*/ |
132 |
|
public void testGetAndSet() { |
133 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
133 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
134 |
|
x = 1; |
135 |
|
assertEquals(1,a.getAndSet(this, 0)); |
136 |
|
assertEquals(0,a.getAndSet(this,-10)); |
141 |
|
* getAndAdd returns previous value and adds given value |
142 |
|
*/ |
143 |
|
public void testGetAndAdd() { |
144 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
144 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
145 |
|
x = 1; |
146 |
|
assertEquals(1,a.getAndAdd(this,2)); |
147 |
|
assertEquals(3,a.get(this)); |
153 |
|
* getAndDecrement returns previous value and decrements |
154 |
|
*/ |
155 |
|
public void testGetAndDecrement() { |
156 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
156 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
157 |
|
x = 1; |
158 |
|
assertEquals(1,a.getAndDecrement(this)); |
159 |
|
assertEquals(0,a.getAndDecrement(this)); |
164 |
|
* getAndIncrement returns previous value and increments |
165 |
|
*/ |
166 |
|
public void testGetAndIncrement() { |
167 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
167 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
168 |
|
x = 1; |
169 |
|
assertEquals(1,a.getAndIncrement(this)); |
170 |
|
assertEquals(2,a.get(this)); |
179 |
|
* addAndGet adds given value to current, and returns current value |
180 |
|
*/ |
181 |
|
public void testAddAndGet() { |
182 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
182 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
183 |
|
x = 1; |
184 |
|
assertEquals(3,a.addAndGet(this,2)); |
185 |
|
assertEquals(3,a.get(this)); |
191 |
|
* decrementAndGet decrements and returns current value |
192 |
|
*/ |
193 |
|
public void testDecrementAndGet() { |
194 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
194 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
195 |
|
x = 1; |
196 |
|
assertEquals(0,a.decrementAndGet(this)); |
197 |
|
assertEquals(-1,a.decrementAndGet(this)); |
203 |
|
* incrementAndGet increments and returns current value |
204 |
|
*/ |
205 |
|
public void testIncrementAndGet() { |
206 |
< |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(getClass(), "x"); |
206 |
> |
AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x"); |
207 |
|
x = 1; |
208 |
|
assertEquals(2,a.incrementAndGet(this)); |
209 |
|
assertEquals(2,a.get(this)); |