13 |
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|
14 |
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public class AtomicStampedReferenceTest 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(AtomicStampedReferenceTest.class); |
23 |
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* constructor initializes to given reference and stamp |
24 |
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*/ |
25 |
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public void testConstructor() { |
26 |
< |
AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
26 |
> |
AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
27 |
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assertSame(one, ai.getReference()); |
28 |
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assertEquals(0, ai.getStamp()); |
29 |
< |
AtomicStampedReference a2 = new AtomicStampedReference(null, 1); |
29 |
> |
AtomicStampedReference<Item> a2 = new AtomicStampedReference<>(null, 1); |
30 |
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assertNull(a2.getReference()); |
31 |
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assertEquals(1, a2.getStamp()); |
32 |
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} |
36 |
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*/ |
37 |
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public void testGetSet() { |
38 |
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int[] mark = new int[1]; |
39 |
< |
AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
39 |
> |
AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
40 |
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assertSame(one, ai.getReference()); |
41 |
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assertEquals(0, ai.getStamp()); |
42 |
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assertSame(one, ai.get(mark)); |
58 |
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*/ |
59 |
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public void testAttemptStamp() { |
60 |
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int[] mark = new int[1]; |
61 |
< |
AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
61 |
> |
AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
62 |
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assertEquals(0, ai.getStamp()); |
63 |
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assertTrue(ai.attemptStamp(one, 1)); |
64 |
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assertEquals(1, ai.getStamp()); |
72 |
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*/ |
73 |
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public void testCompareAndSet() { |
74 |
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int[] mark = new int[1]; |
75 |
< |
AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
75 |
> |
AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
76 |
|
assertSame(one, ai.get(mark)); |
77 |
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assertEquals(0, ai.getStamp()); |
78 |
|
assertEquals(0, mark[0]); |
81 |
|
assertSame(two, ai.get(mark)); |
82 |
|
assertEquals(0, mark[0]); |
83 |
|
|
84 |
< |
assertTrue(ai.compareAndSet(two, m3, 0, 1)); |
85 |
< |
assertSame(m3, ai.get(mark)); |
84 |
> |
assertTrue(ai.compareAndSet(two, minusThree, 0, 1)); |
85 |
> |
assertSame(minusThree, ai.get(mark)); |
86 |
|
assertEquals(1, mark[0]); |
87 |
|
|
88 |
< |
assertFalse(ai.compareAndSet(two, m3, 1, 1)); |
89 |
< |
assertSame(m3, ai.get(mark)); |
88 |
> |
assertFalse(ai.compareAndSet(two, minusThree, 1, 1)); |
89 |
> |
assertSame(minusThree, ai.get(mark)); |
90 |
|
assertEquals(1, mark[0]); |
91 |
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} |
92 |
|
|
95 |
|
* to succeed |
96 |
|
*/ |
97 |
|
public void testCompareAndSetInMultipleThreads() throws Exception { |
98 |
< |
final AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
98 |
> |
final AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
99 |
|
Thread t = new Thread(new CheckedRunnable() { |
100 |
|
public void realRun() { |
101 |
|
while (!ai.compareAndSet(two, three, 0, 0)) |
115 |
|
* to succeed |
116 |
|
*/ |
117 |
|
public void testCompareAndSetInMultipleThreads2() throws Exception { |
118 |
< |
final AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
118 |
> |
final AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
119 |
|
Thread t = new Thread(new CheckedRunnable() { |
120 |
|
public void realRun() { |
121 |
|
while (!ai.compareAndSet(one, one, 1, 2)) |
136 |
|
*/ |
137 |
|
public void testWeakCompareAndSet() { |
138 |
|
int[] mark = new int[1]; |
139 |
< |
AtomicStampedReference ai = new AtomicStampedReference(one, 0); |
139 |
> |
AtomicStampedReference<Item> ai = new AtomicStampedReference<>(one, 0); |
140 |
|
assertSame(one, ai.get(mark)); |
141 |
|
assertEquals(0, ai.getStamp()); |
142 |
|
assertEquals(0, mark[0]); |
145 |
|
assertSame(two, ai.get(mark)); |
146 |
|
assertEquals(0, mark[0]); |
147 |
|
|
148 |
< |
do {} while (!ai.weakCompareAndSet(two, m3, 0, 1)); |
149 |
< |
assertSame(m3, ai.get(mark)); |
148 |
> |
do {} while (!ai.weakCompareAndSet(two, minusThree, 0, 1)); |
149 |
> |
assertSame(minusThree, ai.get(mark)); |
150 |
|
assertEquals(1, mark[0]); |
151 |
|
} |
152 |
|
|