23 |
|
} |
24 |
|
|
25 |
|
/** |
26 |
< |
* Contruction with non-existent field throws RuntimeException |
26 |
> |
* Construction with non-existent field throws RuntimeException |
27 |
|
*/ |
28 |
|
public void testConstructor(){ |
29 |
|
try{ |
66 |
|
* get returns the last value set or assigned |
67 |
|
*/ |
68 |
|
public void testGetSet(){ |
69 |
< |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
69 |
> |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a; |
70 |
> |
try { |
71 |
> |
a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
72 |
> |
} catch (RuntimeException ok) { |
73 |
> |
return; |
74 |
> |
} |
75 |
|
x = one; |
76 |
|
assertEquals(one,a.get(this)); |
77 |
|
a.set(this,two); |
84 |
|
* compareAndSet succeeds in changing value if equal to expected else fails |
85 |
|
*/ |
86 |
|
public void testCompareAndSet(){ |
87 |
< |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
87 |
> |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a; |
88 |
> |
try { |
89 |
> |
a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
90 |
> |
} catch (RuntimeException ok) { |
91 |
> |
return; |
92 |
> |
} |
93 |
|
x = one; |
94 |
|
assertTrue(a.compareAndSet(this,one,two)); |
95 |
|
assertTrue(a.compareAndSet(this,two,m4)); |
106 |
|
*/ |
107 |
|
public void testCompareAndSetInMultipleThreads() { |
108 |
|
x = one; |
109 |
< |
final AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
109 |
> |
final AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a; |
110 |
> |
try { |
111 |
> |
a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
112 |
> |
} catch (RuntimeException ok) { |
113 |
> |
return; |
114 |
> |
} |
115 |
|
|
116 |
|
Thread t = new Thread(new Runnable() { |
117 |
|
public void run() { |
134 |
|
* to expected |
135 |
|
*/ |
136 |
|
public void testWeakCompareAndSet(){ |
137 |
< |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
137 |
> |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a; |
138 |
> |
try { |
139 |
> |
a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
140 |
> |
} catch (RuntimeException ok) { |
141 |
> |
return; |
142 |
> |
} |
143 |
|
x = one; |
144 |
|
while(!a.weakCompareAndSet(this,one,two)); |
145 |
|
while(!a.weakCompareAndSet(this,two,m4)); |
152 |
|
* getAndSet returns previous value and sets to given value |
153 |
|
*/ |
154 |
|
public void testGetAndSet(){ |
155 |
< |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
155 |
> |
AtomicReferenceFieldUpdater<AtomicReferenceFieldUpdaterTest, Integer>a; |
156 |
> |
try { |
157 |
> |
a = AtomicReferenceFieldUpdater.newUpdater(AtomicReferenceFieldUpdaterTest.class, Integer.class, "x"); |
158 |
> |
} catch (RuntimeException ok) { |
159 |
> |
return; |
160 |
> |
} |
161 |
|
x = one; |
162 |
|
assertEquals(one,a.getAndSet(this, zero)); |
163 |
|
assertEquals(zero,a.getAndSet(this,m10)); |