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

Comparing jsr166/src/test/tck/AtomicBooleanTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.9 by dl, Wed May 25 14:27:37 2005 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 AtomicBooleanTest extends J
19		}
20
21		/**
22	<	*
22	>	* constructor initializes to given value
23		*/
24		public void testConstructor() {
25		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 26 | Line 27 | public class AtomicBooleanTest extends J
27		}
28
29		/**
30	<	*
30	>	* default constructed initializes to false
31		*/
32		public void testConstructor2() {
33		AtomicBoolean ai = new AtomicBoolean();
#	Line 34 | Line 35 | public class AtomicBooleanTest extends J
35		}
36
37		/**
38	<	*
38	>	* get returns the last value set
39		*/
40		public void testGetSet() {
41		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 45 | Line 46 | public class AtomicBooleanTest extends J
46		assertEquals(true,ai.get());
47
48		}
49	+
50	+	/**
51	+	* get returns the last value lazySet in same thread
52	+	*/
53	+	public void testGetLazySet() {
54	+	AtomicBoolean ai = new AtomicBoolean(true);
55	+	assertEquals(true,ai.get());
56	+	ai.lazySet(false);
57	+	assertEquals(false,ai.get());
58	+	ai.lazySet(true);
59	+	assertEquals(true,ai.get());
60	+
61	+	}
62	+
63		/**
64	<	*
64	>	* compareAndSet succeeds in changing value if equal to expected else fails
65		*/
66		public void testCompareAndSet() {
67		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 61 | Line 76 | public class AtomicBooleanTest extends J
76		}
77
78		/**
79	<	*
79	>	* compareAndSet in one thread enables another waiting for value
80	>	* to succeed
81	>	*/
82	>	public void testCompareAndSetInMultipleThreads() {
83	>	final AtomicBoolean ai = new AtomicBoolean(true);
84	>	Thread t = new Thread(new Runnable() {
85	>	public void run() {
86	>	while(!ai.compareAndSet(false, true)) Thread.yield();
87	>	}});
88	>	try {
89	>	t.start();
90	>	assertTrue(ai.compareAndSet(true, false));
91	>	t.join(LONG_DELAY_MS);
92	>	assertFalse(t.isAlive());
93	>	}
94	>	catch(Exception e) {
95	>	unexpectedException();
96	>	}
97	>	}
98	>
99	>	/**
100	>	* repeated weakCompareAndSet succeeds in changing value when equal
101	>	* to expected
102		*/
103		public void testWeakCompareAndSet() {
104		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 74 | Line 111 | public class AtomicBooleanTest extends J
111		}
112
113		/**
114	<	*
114	>	* getAndSet returns previous value and sets to given value
115		*/
116		public void testGetAndSet() {
117		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 85 | Line 122 | public class AtomicBooleanTest extends J
122		}
123
124		/**
125	<	*
125	>	* a deserialized serialized atomic holds same value
126		*/
127		public void testSerialization() {
128		AtomicBoolean l = new AtomicBoolean();
#	Line 107 | Line 144 | public class AtomicBooleanTest extends J
144		}
145		}
146
147	+	/**
148	+	* toString returns current value.
149	+	*/
150	+	public void testToString() {
151	+	AtomicBoolean ai = new AtomicBoolean();
152	+	assertEquals(ai.toString(), Boolean.toString(false));
153	+	ai.set(true);
154	+	assertEquals(ai.toString(), Boolean.toString(true));
155	+	}
156
157		}

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