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

Comparing jsr166/src/test/tck/AtomicIntegerFieldUpdaterTest.java (file contents):
Revision 1.10 by jsr166, Mon Nov 2 20:28:31 2009 UTC vs.
Revision 1.14 by jsr166, Tue Nov 17 06:58:50 2009 UTC

#	Line 14 | Line 14 | public class AtomicIntegerFieldUpdaterTe
14		volatile int x = 0;
15		int w;
16		long z;
17	<	public static void main(String[] args){
17	>	public static void main(String[] args) {
18		junit.textui.TestRunner.run(suite());
19		}
20		public static Test suite() {
#	Line 25 | Line 25 | public class AtomicIntegerFieldUpdaterTe
25		* Construction with non-existent field throws RuntimeException
26		*/
27		public void testConstructor() {
28	<	try{
28	>	try {
29		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
30		a = AtomicIntegerFieldUpdater.newUpdater
31		(AtomicIntegerFieldUpdaterTest.class, "y");
#	Line 38 | Line 38 | public class AtomicIntegerFieldUpdaterTe
38		* construction with field not of given type throws RuntimeException
39		*/
40		public void testConstructor2() {
41	<	try{
41	>	try {
42		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
43		a = AtomicIntegerFieldUpdater.newUpdater
44		(AtomicIntegerFieldUpdaterTest.class, "z");
#	Line 51 | Line 51 | public class AtomicIntegerFieldUpdaterTe
51		* construction with non-volatile field throws RuntimeException
52		*/
53		public void testConstructor3() {
54	<	try{
54	>	try {
55		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
56		a = AtomicIntegerFieldUpdater.newUpdater
57		(AtomicIntegerFieldUpdaterTest.class, "w");
#	Line 123 | Line 123 | public class AtomicIntegerFieldUpdaterTe
123		* compareAndSet in one thread enables another waiting for value
124		* to succeed
125		*/
126	<	public void testCompareAndSetInMultipleThreads() {
126	>	public void testCompareAndSetInMultipleThreads() throws Exception {
127		x = 1;
128		final AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>a;
129		try {
#	Line 132 | Line 132 | public class AtomicIntegerFieldUpdaterTe
132		return;
133		}
134
135	<	Thread t = new Thread(new Runnable() {
136	<	public void run() {
137	<	while(!a.compareAndSet(AtomicIntegerFieldUpdaterTest.this, 2, 3)) Thread.yield();
138	<	}});
139	<	try {
140	<	t.start();
141	<	assertTrue(a.compareAndSet(this, 1, 2));
142	<	t.join(LONG_DELAY_MS);
143	<	assertFalse(t.isAlive());
144	<	assertEquals(a.get(this), 3);
145	<	}
146	<	catch(Exception e) {
147	<	unexpectedException();
148	<	}
135	>	Thread t = new Thread(new CheckedRunnable() {
136	>	public void realRun() {
137	>	while (!a.compareAndSet(AtomicIntegerFieldUpdaterTest.this, 2, 3))
138	>	Thread.yield();
139	>	}});
140	>
141	>	t.start();
142	>	assertTrue(a.compareAndSet(this, 1, 2));
143	>	t.join(LONG_DELAY_MS);
144	>	assertFalse(t.isAlive());
145	>	assertEquals(a.get(this), 3);
146		}
147
148		/**
#	Line 160 | Line 157 | public class AtomicIntegerFieldUpdaterTe
157		return;
158		}
159		x = 1;
160	<	while(!a.weakCompareAndSet(this,1,2));
161	<	while(!a.weakCompareAndSet(this,2,-4));
160	>	while (!a.weakCompareAndSet(this,1,2));
161	>	while (!a.weakCompareAndSet(this,2,-4));
162		assertEquals(-4,a.get(this));
163	<	while(!a.weakCompareAndSet(this,-4,7));
163	>	while (!a.weakCompareAndSet(this,-4,7));
164		assertEquals(7,a.get(this));
165		}
166

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