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

Comparing jsr166/src/test/tck/AtomicLongFieldUpdaterTest.java (file contents):
Revision 1.11 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.14 by jsr166, Tue Nov 17 06:58:50 2009 UTC

#	Line 15 | Line 15 | public class AtomicLongFieldUpdaterTest
15		int z;
16		long w;
17
18	<	public static void main(String[] args){
18	>	public static void main(String[] args) {
19		junit.textui.TestRunner.run(suite());
20		}
21		public static Test suite() {
#	Line 25 | Line 25 | public class AtomicLongFieldUpdaterTest
25		/**
26		* Construction with non-existent field throws RuntimeException
27		*/
28	<	public void testConstructor(){
28	>	public void testConstructor() {
29		try {
30		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
31		a = AtomicLongFieldUpdater.newUpdater
#	Line 38 | Line 38 | public class AtomicLongFieldUpdaterTest
38		/**
39		* construction with field not of given type throws RuntimeException
40		*/
41	<	public void testConstructor2(){
41	>	public void testConstructor2() {
42		try {
43		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
44		a = AtomicLongFieldUpdater.newUpdater
#	Line 51 | Line 51 | public class AtomicLongFieldUpdaterTest
51		/**
52		* construction with non-volatile field throws RuntimeException
53		*/
54	<	public void testConstructor3(){
54	>	public void testConstructor3() {
55		try {
56		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
57		a = AtomicLongFieldUpdater.newUpdater
#	Line 65 | Line 65 | public class AtomicLongFieldUpdaterTest
65		/**
66		*  get returns the last value set or assigned
67		*/
68	<	public void testGetSet(){
68	>	public void testGetSet() {
69		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
70		try {
71		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 83 | Line 83 | public class AtomicLongFieldUpdaterTest
83		/**
84		*  get returns the last value lazySet by same thread
85		*/
86	<	public void testGetLazySet(){
86	>	public void testGetLazySet() {
87		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
88		try {
89		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 102 | Line 102 | public class AtomicLongFieldUpdaterTest
102		/**
103		* compareAndSet succeeds in changing value if equal to expected else fails
104		*/
105	<	public void testCompareAndSet(){
105	>	public void testCompareAndSet() {
106		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
107		try {
108		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 124 | Line 124 | public class AtomicLongFieldUpdaterTest
124		* compareAndSet in one thread enables another waiting for value
125		* to succeed
126		*/
127	<	public void testCompareAndSetInMultipleThreads() {
127	>	public void testCompareAndSetInMultipleThreads() throws Exception {
128		x = 1;
129		final AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>a;
130		try {
#	Line 133 | Line 133 | public class AtomicLongFieldUpdaterTest
133		return;
134		}
135
136	<	Thread t = new Thread(new Runnable() {
137	<	public void run() {
138	<	while (!a.compareAndSet(AtomicLongFieldUpdaterTest.this, 2, 3)) Thread.yield();
139	<	}});
140	<	try {
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	<	catch (Exception e) {
148	<	unexpectedException();
149	<	}
136	>	Thread t = new Thread(new CheckedRunnable() {
137	>	public void realRun() {
138	>	while (!a.compareAndSet(AtomicLongFieldUpdaterTest.this, 2, 3))
139	>	Thread.yield();
140	>	}});
141	>
142	>	t.start();
143	>	assertTrue(a.compareAndSet(this, 1, 2));
144	>	t.join(LONG_DELAY_MS);
145	>	assertFalse(t.isAlive());
146	>	assertEquals(a.get(this), 3);
147		}
148
149		/**
150		* repeated weakCompareAndSet succeeds in changing value when equal
151		* to expected
152		*/
153	<	public void testWeakCompareAndSet(){
153	>	public void testWeakCompareAndSet() {
154		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
155		try {
156		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 171 | Line 168 | public class AtomicLongFieldUpdaterTest
168		/**
169		*  getAndSet returns previous value and sets to given value
170		*/
171	<	public void testGetAndSet(){
171	>	public void testGetAndSet() {
172		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
173		try {
174		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 187 | Line 184 | public class AtomicLongFieldUpdaterTest
184		/**
185		* getAndAdd returns previous value and adds given value
186		*/
187	<	public void testGetAndAdd(){
187	>	public void testGetAndAdd() {
188		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
189		try {
190		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 204 | Line 201 | public class AtomicLongFieldUpdaterTest
201		/**
202		* getAndDecrement returns previous value and decrements
203		*/
204	<	public void testGetAndDecrement(){
204	>	public void testGetAndDecrement() {
205		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
206		try {
207		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 220 | Line 217 | public class AtomicLongFieldUpdaterTest
217		/**
218		* getAndIncrement returns previous value and increments
219		*/
220	<	public void testGetAndIncrement(){
220	>	public void testGetAndIncrement() {
221		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
222		try {
223		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 240 | Line 237 | public class AtomicLongFieldUpdaterTest
237		/**
238		* addAndGet adds given value to current, and returns current value
239		*/
240	<	public void testAddAndGet(){
240	>	public void testAddAndGet() {
241		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
242		try {
243		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 257 | Line 254 | public class AtomicLongFieldUpdaterTest
254		/**
255		*  decrementAndGet decrements and returns current value
256		*/
257	<	public void testDecrementAndGet(){
257	>	public void testDecrementAndGet() {
258		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
259		try {
260		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
#	Line 274 | Line 271 | public class AtomicLongFieldUpdaterTest
271		/**
272		* incrementAndGet increments and returns current value
273		*/
274	<	public void testIncrementAndGet(){
274	>	public void testIncrementAndGet() {
275		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
276		try {
277		a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");

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