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root/jsr166/jsr166/src/test/tck/AtomicStampedReferenceTest.java

Comparing jsr166/src/test/tck/AtomicStampedReferenceTest.java (file contents):
Revision 1.10 by jsr166, Mon Nov 16 05:30:07 2009 UTC vs.
Revision 1.12 by jsr166, Tue Nov 17 06:58:50 2009 UTC

#	Line 93 | Line 93 | public class AtomicStampedReferenceTest
93		* compareAndSet in one thread enables another waiting for reference value
94		* to succeed
95		*/
96	<	public void testCompareAndSetInMultipleThreads() {
96	>	public void testCompareAndSetInMultipleThreads() throws Exception {
97		final AtomicStampedReference ai = new AtomicStampedReference(one, 0);
98	<	Thread t = new Thread(new Runnable() {
99	<	public void run() {
100	<	while (!ai.compareAndSet(two, three, 0, 0)) Thread.yield();
101	<	}});
102	<	try {
103	<	t.start();
104	<	assertTrue(ai.compareAndSet(one, two, 0, 0));
105	<	t.join(LONG_DELAY_MS);
106	<	assertFalse(t.isAlive());
107	<	assertEquals(ai.getReference(), three);
108	<	assertEquals(ai.getStamp(), 0);
109	<	}
110	<	catch (Exception e) {
111	<	unexpectedException();
112	<	}
98	>	Thread t = new Thread(new CheckedRunnable() {
99	>	public void realRun() {
100	>	while (!ai.compareAndSet(two, three, 0, 0))
101	>	Thread.yield();
102	>	}});
103	>
104	>	t.start();
105	>	assertTrue(ai.compareAndSet(one, two, 0, 0));
106	>	t.join(LONG_DELAY_MS);
107	>	assertFalse(t.isAlive());
108	>	assertEquals(ai.getReference(), three);
109	>	assertEquals(ai.getStamp(), 0);
110		}
111
112		/**
113		* compareAndSet in one thread enables another waiting for stamp value
114		* to succeed
115		*/
116	<	public void testCompareAndSetInMultipleThreads2() {
116	>	public void testCompareAndSetInMultipleThreads2() throws Exception {
117		final AtomicStampedReference ai = new AtomicStampedReference(one, 0);
118	<	Thread t = new Thread(new Runnable() {
119	<	public void run() {
120	<	while (!ai.compareAndSet(one, one, 1, 2)) Thread.yield();
121	<	}});
122	<	try {
123	<	t.start();
124	<	assertTrue(ai.compareAndSet(one, one, 0, 1));
125	<	t.join(LONG_DELAY_MS);
126	<	assertFalse(t.isAlive());
127	<	assertEquals(ai.getReference(), one);
128	<	assertEquals(ai.getStamp(), 2);
129	<	}
133	<	catch (Exception e) {
134	<	unexpectedException();
135	<	}
118	>	Thread t = new Thread(new CheckedRunnable() {
119	>	public void realRun() {
120	>	while (!ai.compareAndSet(one, one, 1, 2))
121	>	Thread.yield();
122	>	}});
123	>
124	>	t.start();
125	>	assertTrue(ai.compareAndSet(one, one, 0, 1));
126	>	t.join(LONG_DELAY_MS);
127	>	assertFalse(t.isAlive());
128	>	assertEquals(ai.getReference(), one);
129	>	assertEquals(ai.getStamp(), 2);
130		}
131
132		/**

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