ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/AtomicReferenceArrayTest.java (file contents):
Revision 1.13 by jsr166, Mon Nov 16 05:30:07 2009 UTC vs.
Revision 1.21 by jsr166, Tue May 31 16:16:23 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.*;
11	<	import java.io.*;
12	<	import java.util.*;
10	>	import java.util.Arrays;
11	>	import java.util.concurrent.atomic.AtomicReferenceArray;
12
13		public class AtomicReferenceArrayTest extends JSR166TestCase {
14	<	public static void main (String[] args) {
15	<	junit.textui.TestRunner.run (suite());
14	>	public static void main(String[] args) {
15	>	junit.textui.TestRunner.run(suite());
16		}
17		public static Test suite() {
18		return new TestSuite(AtomicReferenceArrayTest.class);
#	Line 36 | Line 35 | public class AtomicReferenceArrayTest ex
35		try {
36		Integer[] a = null;
37		AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
38	<	} catch (NullPointerException success) {
39	<	} catch (Exception ex) {
41	<	unexpectedException();
42	<	}
38	>	shouldThrow();
39	>	} catch (NullPointerException success) {}
40		}
41
42		/**
#	Line 53 | Line 50 | public class AtomicReferenceArrayTest ex
50		assertEquals(a[i], ai.get(i));
51		}
52
56	–
53		/**
54		* get and set for out of bound indices throw IndexOutOfBoundsException
55		*/
#	Line 61 | Line 57 | public class AtomicReferenceArrayTest ex
57		AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(SIZE);
58		try {
59		ai.get(SIZE);
60	+	shouldThrow();
61		} catch (IndexOutOfBoundsException success) {
62		}
63		try {
64		ai.get(-1);
65	+	shouldThrow();
66		} catch (IndexOutOfBoundsException success) {
67		}
68		try {
69		ai.set(SIZE, null);
70	+	shouldThrow();
71		} catch (IndexOutOfBoundsException success) {
72		}
73		try {
74		ai.set(-1, null);
75	+	shouldThrow();
76		} catch (IndexOutOfBoundsException success) {
77		}
78		}
#	Line 84 | Line 84 | public class AtomicReferenceArrayTest ex
84		AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
85		for (int i = 0; i < SIZE; ++i) {
86		ai.set(i, one);
87	<	assertEquals(one,ai.get(i));
87	>	assertSame(one,ai.get(i));
88		ai.set(i, two);
89	<	assertEquals(two,ai.get(i));
89	>	assertSame(two,ai.get(i));
90		ai.set(i, m3);
91	<	assertEquals(m3,ai.get(i));
91	>	assertSame(m3,ai.get(i));
92		}
93		}
94
#	Line 99 | Line 99 | public class AtomicReferenceArrayTest ex
99		AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
100		for (int i = 0; i < SIZE; ++i) {
101		ai.lazySet(i, one);
102	<	assertEquals(one,ai.get(i));
102	>	assertSame(one,ai.get(i));
103		ai.lazySet(i, two);
104	<	assertEquals(two,ai.get(i));
104	>	assertSame(two,ai.get(i));
105		ai.lazySet(i, m3);
106	<	assertEquals(m3,ai.get(i));
106	>	assertSame(m3,ai.get(i));
107		}
108		}
109
#	Line 116 | Line 116 | public class AtomicReferenceArrayTest ex
116		ai.set(i, one);
117		assertTrue(ai.compareAndSet(i, one,two));
118		assertTrue(ai.compareAndSet(i, two,m4));
119	<	assertEquals(m4,ai.get(i));
119	>	assertSame(m4,ai.get(i));
120		assertFalse(ai.compareAndSet(i, m5,seven));
121	<	assertFalse((seven.equals(ai.get(i))));
121	>	assertSame(m4,ai.get(i));
122		assertTrue(ai.compareAndSet(i, m4,seven));
123	<	assertEquals(seven,ai.get(i));
123	>	assertSame(seven,ai.get(i));
124		}
125		}
126
#	Line 128 | Line 128 | public class AtomicReferenceArrayTest ex
128		* compareAndSet in one thread enables another waiting for value
129		* to succeed
130		*/
131	<	public void testCompareAndSetInMultipleThreads() {
131	>	public void testCompareAndSetInMultipleThreads() throws InterruptedException {
132		final AtomicReferenceArray a = new AtomicReferenceArray(1);
133		a.set(0, one);
134	<	Thread t = new Thread(new Runnable() {
135	<	public void run() {
136	<	while (!a.compareAndSet(0, two, three)) Thread.yield();
137	<	}});
138	<	try {
139	<	t.start();
140	<	assertTrue(a.compareAndSet(0, one, two));
141	<	t.join(LONG_DELAY_MS);
142	<	assertFalse(t.isAlive());
143	<	assertEquals(a.get(0), three);
144	<	}
145	<	catch (Exception e) {
146	<	unexpectedException();
147	<	}
134	>	Thread t = new Thread(new CheckedRunnable() {
135	>	public void realRun() {
136	>	while (!a.compareAndSet(0, two, three))
137	>	Thread.yield();
138	>	}});
139	>
140	>	t.start();
141	>	assertTrue(a.compareAndSet(0, one, two));
142	>	t.join(LONG_DELAY_MS);
143	>	assertFalse(t.isAlive());
144	>	assertSame(a.get(0), three);
145		}
146
147		/**
#	Line 157 | Line 154 | public class AtomicReferenceArrayTest ex
154		ai.set(i, one);
155		while (!ai.weakCompareAndSet(i, one,two));
156		while (!ai.weakCompareAndSet(i, two,m4));
157	<	assertEquals(m4,ai.get(i));
157	>	assertSame(m4,ai.get(i));
158		while (!ai.weakCompareAndSet(i, m4,seven));
159	<	assertEquals(seven,ai.get(i));
159	>	assertSame(seven,ai.get(i));
160		}
161		}
162
#	Line 170 | Line 167 | public class AtomicReferenceArrayTest ex
167		AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
168		for (int i = 0; i < SIZE; ++i) {
169		ai.set(i, one);
170	<	assertEquals(one,ai.getAndSet(i,zero));
171	<	assertEquals(0,ai.getAndSet(i,m10));
172	<	assertEquals(m10,ai.getAndSet(i,one));
170	>	assertSame(one,ai.getAndSet(i,zero));
171	>	assertSame(zero,ai.getAndSet(i,m10));
172	>	assertSame(m10,ai.getAndSet(i,one));
173		}
174		}
175
176		/**
177		* a deserialized serialized array holds same values
178		*/
179	<	public void testSerialization() {
180	<	AtomicReferenceArray l = new AtomicReferenceArray(SIZE);
181	<	for (int i = 0; i < SIZE; ++i) {
182	<	l.set(i, new Integer(-i));
183	<	}
184	<
185	<	try {
186	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
187	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
188	<	out.writeObject(l);
192	<	out.close();
193	<
194	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
195	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
196	<	AtomicReferenceArray r = (AtomicReferenceArray) in.readObject();
197	<	assertEquals(l.length(), r.length());
198	<	for (int i = 0; i < SIZE; ++i) {
199	<	assertEquals(r.get(i), l.get(i));
200	<	}
201	<	} catch (Exception e) {
202	<	unexpectedException();
179	>	public void testSerialization() throws Exception {
180	>	AtomicReferenceArray x = new AtomicReferenceArray(SIZE);
181	>	for (int i = 0; i < SIZE; i++) {
182	>	x.set(i, new Integer(-i));
183	>	}
184	>	AtomicReferenceArray y = serialClone(x);
185	>	assertTrue(x != y);
186	>	assertEquals(x.length(), y.length());
187	>	for (int i = 0; i < SIZE; i++) {
188	>	assertEquals(x.get(i), y.get(i));
189		}
190		}
191
206	–
192		/**
193		* toString returns current value.
194		*/

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines