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

Comparing jsr166/src/test/tck/AtomicLongTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.7 by dl, Mon Dec 29 19:05:40 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 junit.framework.*;
#	Line 18 | Line 19 | public class AtomicLongTest extends JSR1
19		}
20
21		/**
22	<	*
22	>	* constructor initializes to given value
23		*/
24		public void testConstructor(){
25		AtomicLong ai = new AtomicLong(1);
#	Line 26 | Line 27 | public class AtomicLongTest extends JSR1
27		}
28
29		/**
30	<	*
30	>	* default constructed initializes to zero
31		*/
32		public void testConstructor2(){
33		AtomicLong ai = new AtomicLong();
#	Line 34 | Line 35 | public class AtomicLongTest extends JSR1
35		}
36
37		/**
38	<	*
38	>	* get returns the last value set
39		*/
40		public void testGetSet(){
41		AtomicLong ai = new AtomicLong(1);
#	Line 46 | Line 47 | public class AtomicLongTest extends JSR1
47
48		}
49		/**
50	<	*
50	>	* compareAndSet succeeds in changing value if equal to expected else fails
51		*/
52		public void testCompareAndSet(){
53		AtomicLong ai = new AtomicLong(1);
#	Line 60 | Line 61 | public class AtomicLongTest extends JSR1
61		}
62
63		/**
64	<	*
64	>	* compareAndSet in one thread enables another waiting for value
65	>	* to succeed
66	>	*/
67	>	public void testCompareAndSetInMultipleThreads() {
68	>	final AtomicLong ai = new AtomicLong(1);
69	>	Thread t = new Thread(new Runnable() {
70	>	public void run() {
71	>	while(!ai.compareAndSet(2, 3)) Thread.yield();
72	>	}});
73	>	try {
74	>	t.start();
75	>	assertTrue(ai.compareAndSet(1, 2));
76	>	t.join(LONG_DELAY_MS);
77	>	assertFalse(t.isAlive());
78	>	assertEquals(ai.get(), 3);
79	>	}
80	>	catch(Exception e) {
81	>	unexpectedException();
82	>	}
83	>	}
84	>
85	>	/**
86	>	* repeated weakCompareAndSet succeeds in changing value when equal
87	>	* to expected
88		*/
89		public void testWeakCompareAndSet(){
90		AtomicLong ai = new AtomicLong(1);
#	Line 72 | Line 96 | public class AtomicLongTest extends JSR1
96		}
97
98		/**
99	<	*
99	>	* getAndSet returns previous value and sets to given value
100		*/
101		public void testGetAndSet(){
102		AtomicLong ai = new AtomicLong(1);
#	Line 82 | Line 106 | public class AtomicLongTest extends JSR1
106		}
107
108		/**
109	<	*
109	>	* getAndAdd returns previous value and adds given value
110		*/
111		public void testGetAndAdd(){
112		AtomicLong ai = new AtomicLong(1);
#	Line 93 | Line 117 | public class AtomicLongTest extends JSR1
117		}
118
119		/**
120	<	*
120	>	* getAndDecrement returns previous value and decrements
121		*/
122		public void testGetAndDecrement(){
123		AtomicLong ai = new AtomicLong(1);
#	Line 103 | Line 127 | public class AtomicLongTest extends JSR1
127		}
128
129		/**
130	<	*
130	>	* getAndIncrement returns previous value and increments
131		*/
132		public void testGetAndIncrement(){
133		AtomicLong ai = new AtomicLong(1);
#	Line 117 | Line 141 | public class AtomicLongTest extends JSR1
141		}
142
143		/**
144	<	*
144	>	* addAndGet adds given value to current, and returns current value
145		*/
146		public void testAddAndGet(){
147		AtomicLong ai = new AtomicLong(1);
#	Line 128 | Line 152 | public class AtomicLongTest extends JSR1
152		}
153
154		/**
155	<	*
155	>	* decrementAndGet decrements and returns current value
156		*/
157		public void testDecrementAndGet(){
158		AtomicLong ai = new AtomicLong(1);
#	Line 139 | Line 163 | public class AtomicLongTest extends JSR1
163		}
164
165		/**
166	<	*
166	>	* incrementAndGet increments and returns current value
167		*/
168		public void testIncrementAndGet(){
169		AtomicLong ai = new AtomicLong(1);
#	Line 153 | Line 177 | public class AtomicLongTest extends JSR1
177		}
178
179		/**
180	<	*
180	>	* a deserialized serialized atomic holds same value
181		*/
182		public void testSerialization() {
183		AtomicLong l = new AtomicLong();

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