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

Comparing jsr166/src/test/tck/AtomicLongFieldUpdaterTest.java (file contents):
Revision 1.4 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.6 by dl, Sat Dec 27 19:26:43 2003 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import java.util.concurrent.atomic.*;
#	Line 28 | Line 29 | public class AtomicLongFieldUpdaterTest
29		try{
30		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
31		a = AtomicLongFieldUpdater.newUpdater
32	<	(getClass(), "y");
32	>	(AtomicLongFieldUpdaterTest.class, "y");
33		shouldThrow();
34		}
35		catch (RuntimeException rt) {}
#	Line 41 | Line 42 | public class AtomicLongFieldUpdaterTest
42		try{
43		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
44		a = AtomicLongFieldUpdater.newUpdater
45	<	(getClass(), "z");
45	>	(AtomicLongFieldUpdaterTest.class, "z");
46		shouldThrow();
47		}
48		catch (RuntimeException rt) {}
#	Line 54 | Line 55 | public class AtomicLongFieldUpdaterTest
55		try{
56		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>
57		a = AtomicLongFieldUpdater.newUpdater
58	<	(getClass(), "w");
58	>	(AtomicLongFieldUpdaterTest.class, "w");
59		shouldThrow();
60		}
61
#	Line 65 | Line 66 | public class AtomicLongFieldUpdaterTest
66		*  get returns the last value set or assigned
67		*/
68		public void testGetSet(){
69	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
69	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
70		x = 1;
71		assertEquals(1,a.get(this));
72		a.set(this,2);
#	Line 78 | Line 79 | public class AtomicLongFieldUpdaterTest
79		* compareAndSet succeeds in changing value if equal to expected else fails
80		*/
81		public void testCompareAndSet(){
82	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
82	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
83		x = 1;
84		assertTrue(a.compareAndSet(this,1,2));
85		assertTrue(a.compareAndSet(this,2,-4));
#	Line 96 | Line 97 | public class AtomicLongFieldUpdaterTest
97		*/
98		public void testCompareAndSetInMultipleThreads() {
99		x = 1;
100	<	final AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
100	>	final AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest>a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
101
102		Thread t = new Thread(new Runnable() {
103		public void run() {
#	Line 119 | Line 120 | public class AtomicLongFieldUpdaterTest
120		* to expected
121		*/
122		public void testWeakCompareAndSet(){
123	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
123	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
124		x = 1;
125		while(!a.weakCompareAndSet(this,1,2));
126		while(!a.weakCompareAndSet(this,2,-4));
#	Line 132 | Line 133 | public class AtomicLongFieldUpdaterTest
133		*  getAndSet returns previous value and sets to given value
134		*/
135		public void testGetAndSet(){
136	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
136	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
137		x = 1;
138		assertEquals(1,a.getAndSet(this, 0));
139		assertEquals(0,a.getAndSet(this,-10));
#	Line 143 | Line 144 | public class AtomicLongFieldUpdaterTest
144		* getAndAdd returns previous value and adds given value
145		*/
146		public void testGetAndAdd(){
147	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
147	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
148		x = 1;
149		assertEquals(1,a.getAndAdd(this,2));
150		assertEquals(3,a.get(this));
#	Line 155 | Line 156 | public class AtomicLongFieldUpdaterTest
156		* getAndDecrement returns previous value and decrements
157		*/
158		public void testGetAndDecrement(){
159	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
159	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
160		x = 1;
161		assertEquals(1,a.getAndDecrement(this));
162		assertEquals(0,a.getAndDecrement(this));
#	Line 166 | Line 167 | public class AtomicLongFieldUpdaterTest
167		* getAndIncrement returns previous value and increments
168		*/
169		public void testGetAndIncrement(){
170	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
170	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
171		x = 1;
172		assertEquals(1,a.getAndIncrement(this));
173		assertEquals(2,a.get(this));
#	Line 181 | Line 182 | public class AtomicLongFieldUpdaterTest
182		* addAndGet adds given value to current, and returns current value
183		*/
184		public void testAddAndGet(){
185	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
185	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
186		x = 1;
187		assertEquals(3,a.addAndGet(this,2));
188		assertEquals(3,a.get(this));
#	Line 193 | Line 194 | public class AtomicLongFieldUpdaterTest
194		*  decrementAndGet decrements and returns current value
195		*/
196		public void testDecrementAndGet(){
197	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
197	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
198		x = 1;
199		assertEquals(0,a.decrementAndGet(this));
200		assertEquals(-1,a.decrementAndGet(this));
#	Line 205 | Line 206 | public class AtomicLongFieldUpdaterTest
206		* incrementAndGet increments and returns current value
207		*/
208		public void testIncrementAndGet(){
209	<	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(getClass(), "x");
209	>	AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a = AtomicLongFieldUpdater.newUpdater(AtomicLongFieldUpdaterTest.class, "x");
210		x = 1;
211		assertEquals(2,a.incrementAndGet(this));
212		assertEquals(2,a.get(this));

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