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