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Comparing jsr166/src/test/tck/AtomicStampedReferenceTest.java (file contents):
Revision 1.13 by jsr166, Sat Nov 21 02:07:26 2009 UTC vs.
Revision 1.20 by jsr166, Fri Jun 10 20:17:11 2011 UTC

#	Line 1 | Line 1
1		/*
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
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10	<	import java.util.concurrent.atomic.*;
10	>	import java.util.concurrent.atomic.AtomicStampedReference;
11
12		public class AtomicStampedReferenceTest extends JSR166TestCase {
13	<	public static void main (String[] args) {
14	<	junit.textui.TestRunner.run (suite());
13	>	public static void main(String[] args) {
14	>	junit.textui.TestRunner.run(suite());
15		}
16		public static Test suite() {
17		return new TestSuite(AtomicStampedReferenceTest.class);
#	Line 22 | Line 22 | public class AtomicStampedReferenceTest
22		*/
23		public void testConstructor() {
24		AtomicStampedReference ai = new AtomicStampedReference(one, 0);
25	<	assertEquals(one,ai.getReference());
25	>	assertSame(one, ai.getReference());
26		assertEquals(0, ai.getStamp());
27		AtomicStampedReference a2 = new AtomicStampedReference(null, 1);
28		assertNull(a2.getReference());
29		assertEquals(1, a2.getStamp());
30	–
30		}
31
32		/**
33	<	*  get returns the last values of reference and stamp set
33	>	* get returns the last values of reference and stamp set
34		*/
35		public void testGetSet() {
36		int[] mark = new int[1];
37		AtomicStampedReference ai = new AtomicStampedReference(one, 0);
38	<	assertEquals(one,ai.getReference());
38	>	assertSame(one, ai.getReference());
39		assertEquals(0, ai.getStamp());
40	<	assertEquals(one, ai.get(mark));
40	>	assertSame(one, ai.get(mark));
41		assertEquals(0, mark[0]);
42		ai.set(two, 0);
43	<	assertEquals(two,ai.getReference());
43	>	assertSame(two, ai.getReference());
44		assertEquals(0, ai.getStamp());
45	<	assertEquals(two, ai.get(mark));
45	>	assertSame(two, ai.get(mark));
46		assertEquals(0, mark[0]);
47		ai.set(one, 1);
48	<	assertEquals(one,ai.getReference());
48	>	assertSame(one, ai.getReference());
49		assertEquals(1, ai.getStamp());
50	<	assertEquals(one, ai.get(mark));
51	<	assertEquals(1,mark[0]);
50	>	assertSame(one, ai.get(mark));
51	>	assertEquals(1, mark[0]);
52		}
53
54		/**
55	<	*  attemptStamp succeeds in single thread
55	>	* attemptStamp succeeds in single thread
56		*/
57		public void testAttemptStamp() {
58		int[] mark = new int[1];
#	Line 61 | Line 60 | public class AtomicStampedReferenceTest
60		assertEquals(0, ai.getStamp());
61		assertTrue(ai.attemptStamp(one, 1));
62		assertEquals(1, ai.getStamp());
63	<	assertEquals(one, ai.get(mark));
63	>	assertSame(one, ai.get(mark));
64		assertEquals(1, mark[0]);
65		}
66
#	Line 72 | Line 71 | public class AtomicStampedReferenceTest
71		public void testCompareAndSet() {
72		int[] mark = new int[1];
73		AtomicStampedReference ai = new AtomicStampedReference(one, 0);
74	<	assertEquals(one, ai.get(mark));
74	>	assertSame(one, ai.get(mark));
75		assertEquals(0, ai.getStamp());
76		assertEquals(0, mark[0]);
77
78		assertTrue(ai.compareAndSet(one, two, 0, 0));
79	<	assertEquals(two, ai.get(mark));
79	>	assertSame(two, ai.get(mark));
80		assertEquals(0, mark[0]);
81
82		assertTrue(ai.compareAndSet(two, m3, 0, 1));
83	<	assertEquals(m3, ai.get(mark));
83	>	assertSame(m3, ai.get(mark));
84		assertEquals(1, mark[0]);
85
86		assertFalse(ai.compareAndSet(two, m3, 1, 1));
87	<	assertEquals(m3, ai.get(mark));
87	>	assertSame(m3, ai.get(mark));
88		assertEquals(1, mark[0]);
89		}
90
#	Line 105 | Line 104 | public class AtomicStampedReferenceTest
104		assertTrue(ai.compareAndSet(one, two, 0, 0));
105		t.join(LONG_DELAY_MS);
106		assertFalse(t.isAlive());
107	<	assertEquals(ai.getReference(), three);
108	<	assertEquals(ai.getStamp(), 0);
107	>	assertSame(three, ai.getReference());
108	>	assertEquals(0, ai.getStamp());
109		}
110
111		/**
#	Line 125 | Line 124 | public class AtomicStampedReferenceTest
124		assertTrue(ai.compareAndSet(one, one, 0, 1));
125		t.join(LONG_DELAY_MS);
126		assertFalse(t.isAlive());
127	<	assertEquals(ai.getReference(), one);
128	<	assertEquals(ai.getStamp(), 2);
127	>	assertSame(one, ai.getReference());
128	>	assertEquals(2, ai.getStamp());
129		}
130
131		/**
#	Line 136 | Line 135 | public class AtomicStampedReferenceTest
135		public void testWeakCompareAndSet() {
136		int[] mark = new int[1];
137		AtomicStampedReference ai = new AtomicStampedReference(one, 0);
138	<	assertEquals(one, ai.get(mark));
139	<	assertEquals(0, ai.getStamp ());
138	>	assertSame(one, ai.get(mark));
139	>	assertEquals(0, ai.getStamp());
140		assertEquals(0, mark[0]);
141
142		while (!ai.weakCompareAndSet(one, two, 0, 0));
143	<	assertEquals(two, ai.get(mark));
143	>	assertSame(two, ai.get(mark));
144		assertEquals(0, mark[0]);
145
146		while (!ai.weakCompareAndSet(two, m3, 0, 1));
147	<	assertEquals(m3, ai.get(mark));
147	>	assertSame(m3, ai.get(mark));
148		assertEquals(1, mark[0]);
149		}
150

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