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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 1.8 by dl, Fri Jan 9 20:07:36 2004 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	<	*
51	>	* compareAndSet succeeds in changing value if equal to expected else fails
52		*/
53		public void testCompareAndSet() {
54		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 61 | Line 63 | public class AtomicBooleanTest extends J
63		}
64
65		/**
66	<	*
66	>	* compareAndSet in one thread enables another waiting for value
67	>	* to succeed
68	>	*/
69	>	public void testCompareAndSetInMultipleThreads() {
70	>	final AtomicBoolean ai = new AtomicBoolean(true);
71	>	Thread t = new Thread(new Runnable() {
72	>	public void run() {
73	>	while(!ai.compareAndSet(false, true)) Thread.yield();
74	>	}});
75	>	try {
76	>	t.start();
77	>	assertTrue(ai.compareAndSet(true, false));
78	>	t.join(LONG_DELAY_MS);
79	>	assertFalse(t.isAlive());
80	>	}
81	>	catch(Exception e) {
82	>	unexpectedException();
83	>	}
84	>	}
85	>
86	>	/**
87	>	* repeated weakCompareAndSet succeeds in changing value when equal
88	>	* to expected
89		*/
90		public void testWeakCompareAndSet() {
91		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 74 | Line 98 | public class AtomicBooleanTest extends J
98		}
99
100		/**
101	<	*
101	>	* getAndSet returns previous value and sets to given value
102		*/
103		public void testGetAndSet() {
104		AtomicBoolean ai = new AtomicBoolean(true);
#	Line 85 | Line 109 | public class AtomicBooleanTest extends J
109		}
110
111		/**
112	<	*
112	>	* a deserialized serialized atomic holds same value
113		*/
114		public void testSerialization() {
115		AtomicBoolean l = new AtomicBoolean();
#	Line 107 | Line 131 | public class AtomicBooleanTest extends J
131		}
132		}
133
134	+	/**
135	+	* toString returns current value.
136	+	*/
137	+	public void testToString() {
138	+	AtomicBoolean ai = new AtomicBoolean();
139	+	assertEquals(ai.toString(), Boolean.toString(false));
140	+	ai.set(true);
141	+	assertEquals(ai.toString(), Boolean.toString(true));
142	+	}
143
144		}

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