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

Comparing jsr166/src/test/tck/AtomicReferenceTest.java (file contents):
Revision 1.15 by jsr166, Tue Dec 1 09:56:28 2009 UTC vs.
Revision 1.23 by jsr166, Wed Dec 31 19:21:20 2014 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.*;
11	<	import java.io.*;
9	>	import java.util.concurrent.atomic.AtomicReference;
10	>
11	>	import junit.framework.Test;
12	>	import junit.framework.TestSuite;
13
14		public class AtomicReferenceTest extends JSR166TestCase {
15	<	public static void main (String[] args) {
16	<	junit.textui.TestRunner.run (suite());
15	>	public static void main(String[] args) {
16	>	junit.textui.TestRunner.run(suite());
17		}
18		public static Test suite() {
19		return new TestSuite(AtomicReferenceTest.class);
#	Line 23 | Line 24 | public class AtomicReferenceTest extends
24		*/
25		public void testConstructor() {
26		AtomicReference ai = new AtomicReference(one);
27	<	assertSame(one,ai.get());
27	>	assertSame(one, ai.get());
28		}
29
30		/**
#	Line 39 | Line 40 | public class AtomicReferenceTest extends
40		*/
41		public void testGetSet() {
42		AtomicReference ai = new AtomicReference(one);
43	<	assertSame(one,ai.get());
43	>	assertSame(one, ai.get());
44		ai.set(two);
45	<	assertSame(two,ai.get());
45	>	assertSame(two, ai.get());
46		ai.set(m3);
47	<	assertSame(m3,ai.get());
47	>	assertSame(m3, ai.get());
48		}
49
50		/**
#	Line 51 | Line 52 | public class AtomicReferenceTest extends
52		*/
53		public void testGetLazySet() {
54		AtomicReference ai = new AtomicReference(one);
55	<	assertSame(one,ai.get());
55	>	assertSame(one, ai.get());
56		ai.lazySet(two);
57	<	assertSame(two,ai.get());
57	>	assertSame(two, ai.get());
58		ai.lazySet(m3);
59	<	assertSame(m3,ai.get());
59	>	assertSame(m3, ai.get());
60		}
61
62		/**
#	Line 63 | Line 64 | public class AtomicReferenceTest extends
64		*/
65		public void testCompareAndSet() {
66		AtomicReference ai = new AtomicReference(one);
67	<	assertTrue(ai.compareAndSet(one,two));
68	<	assertTrue(ai.compareAndSet(two,m4));
69	<	assertSame(m4,ai.get());
70	<	assertFalse(ai.compareAndSet(m5,seven));
71	<	assertSame(m4,ai.get());
72	<	assertTrue(ai.compareAndSet(m4,seven));
73	<	assertSame(seven,ai.get());
67	>	assertTrue(ai.compareAndSet(one, two));
68	>	assertTrue(ai.compareAndSet(two, m4));
69	>	assertSame(m4, ai.get());
70	>	assertFalse(ai.compareAndSet(m5, seven));
71	>	assertSame(m4, ai.get());
72	>	assertTrue(ai.compareAndSet(m4, seven));
73	>	assertSame(seven, ai.get());
74		}
75
76		/**
#	Line 88 | Line 89 | public class AtomicReferenceTest extends
89		assertTrue(ai.compareAndSet(one, two));
90		t.join(LONG_DELAY_MS);
91		assertFalse(t.isAlive());
92	<	assertSame(ai.get(), three);
92	>	assertSame(three, ai.get());
93		}
94
95		/**
#	Line 97 | Line 98 | public class AtomicReferenceTest extends
98		*/
99		public void testWeakCompareAndSet() {
100		AtomicReference ai = new AtomicReference(one);
101	<	while (!ai.weakCompareAndSet(one,two));
102	<	while (!ai.weakCompareAndSet(two,m4));
103	<	assertSame(m4,ai.get());
104	<	while (!ai.weakCompareAndSet(m4,seven));
105	<	assertSame(seven,ai.get());
101	>	do {} while (!ai.weakCompareAndSet(one, two));
102	>	do {} while (!ai.weakCompareAndSet(two, m4));
103	>	assertSame(m4, ai.get());
104	>	do {} while (!ai.weakCompareAndSet(m4, seven));
105	>	assertSame(seven, ai.get());
106		}
107
108		/**
#	Line 109 | Line 110 | public class AtomicReferenceTest extends
110		*/
111		public void testGetAndSet() {
112		AtomicReference ai = new AtomicReference(one);
113	<	assertSame(one,ai.getAndSet(zero));
114	<	assertSame(zero,ai.getAndSet(m10));
115	<	assertSame(m10,ai.getAndSet(one));
113	>	assertSame(one, ai.getAndSet(zero));
114	>	assertSame(zero, ai.getAndSet(m10));
115	>	assertSame(m10, ai.getAndSet(one));
116		}
117
118		/**
119		* a deserialized serialized atomic holds same value
120		*/
121		public void testSerialization() throws Exception {
122	<	AtomicReference l = new AtomicReference();
123	<
124	<	l.set(one);
125	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
126	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
127	<	out.writeObject(l);
128	<	out.close();
129	<
130	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
130	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
131	<	AtomicReference r = (AtomicReference) in.readObject();
132	<	assertEquals(l.get(), r.get());
122	>	AtomicReference x = new AtomicReference();
123	>	AtomicReference y = serialClone(x);
124	>	assertNotSame(x, y);
125	>	x.set(one);
126	>	AtomicReference z = serialClone(x);
127	>	assertNotSame(y, z);
128	>	assertEquals(one, x.get());
129	>	assertEquals(null, y.get());
130	>	assertEquals(one, z.get());
131		}
132
133		/**
#	Line 137 | Line 135 | public class AtomicReferenceTest extends
135		*/
136		public void testToString() {
137		AtomicReference<Integer> ai = new AtomicReference<Integer>(one);
138	<	assertEquals(ai.toString(), one.toString());
138	>	assertEquals(one.toString(), ai.toString());
139		ai.set(two);
140	<	assertEquals(ai.toString(), two.toString());
140	>	assertEquals(two.toString(), ai.toString());
141		}
142
143		}

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