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Comparing jsr166/src/test/tck/AtomicIntegerFieldUpdaterTest.java (file contents):
Revision 1.22 by jsr166, Fri Jun 10 20:01:21 2011 UTC vs.
Revision 1.32 by jsr166, Wed Sep 20 00:41:13 2017 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
9		import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
10
11	+	import junit.framework.Test;
12	+	import junit.framework.TestSuite;
13	+
14		public class AtomicIntegerFieldUpdaterTest extends JSR166TestCase {
15		volatile int x = 0;
16	+	protected volatile int protectedField;
17	+	private volatile int privateField;
18		int w;
19	<	long z;
19	>	float z;
20		public static void main(String[] args) {
21	<	junit.textui.TestRunner.run(suite());
21	>	main(suite(), args);
22		}
23		public static Test suite() {
24		return new TestSuite(AtomicIntegerFieldUpdaterTest.class);
25		}
26
27	+	AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> updaterFor(String fieldName) {
28	+	return AtomicIntegerFieldUpdater.newUpdater
29	+	(AtomicIntegerFieldUpdaterTest.class, fieldName);
30	+	}
31	+
32		/**
33		* Construction with non-existent field throws RuntimeException
34		*/
35		public void testConstructor() {
36		try {
37	<	AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
29	<	a = AtomicIntegerFieldUpdater.newUpdater
30	<	(AtomicIntegerFieldUpdaterTest.class, "y");
37	>	updaterFor("y");
38		shouldThrow();
39	<	} catch (RuntimeException success) {}
39	>	} catch (RuntimeException success) {
40	>	assertNotNull(success.getCause());
41	>	}
42		}
43
44		/**
45	<	* construction with field not of given type throws RuntimeException
45	>	* construction with field not of given type throws IllegalArgumentException
46		*/
47		public void testConstructor2() {
48		try {
49	<	AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
41	<	a = AtomicIntegerFieldUpdater.newUpdater
42	<	(AtomicIntegerFieldUpdaterTest.class, "z");
49	>	updaterFor("z");
50		shouldThrow();
51	<	} catch (RuntimeException success) {}
51	>	} catch (IllegalArgumentException success) {}
52		}
53
54		/**
55	<	* construction with non-volatile field throws RuntimeException
55	>	* construction with non-volatile field throws IllegalArgumentException
56		*/
57		public void testConstructor3() {
58		try {
59	<	AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>
53	<	a = AtomicIntegerFieldUpdater.newUpdater
54	<	(AtomicIntegerFieldUpdaterTest.class, "w");
59	>	updaterFor("w");
60		shouldThrow();
61	<	} catch (RuntimeException success) {}
61	>	} catch (IllegalArgumentException success) {}
62	>	}
63	>
64	>	/**
65	>	* construction using private field from subclass throws RuntimeException
66	>	*/
67	>	public void testPrivateFieldInSubclass() {
68	>	new NonNestmates.AtomicIntegerFieldUpdaterTestSubclass()
69	>	.checkPrivateAccess();
70	>	}
71	>
72	>	/**
73	>	* construction from unrelated class; package access is allowed,
74	>	* private access is not
75	>	*/
76	>	public void testUnrelatedClassAccess() {
77	>	new NonNestmates().checkPackageAccess(this);
78	>	new NonNestmates().checkPrivateAccess(this);
79		}
80
81		/**
#	Line 61 | Line 83 | public class AtomicIntegerFieldUpdaterTe
83		*/
84		public void testGetSet() {
85		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
86	<	try {
65	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
66	<	} catch (RuntimeException ok) {
67	<	return;
68	<	}
86	>	a = updaterFor("x");
87		x = 1;
88		assertEquals(1, a.get(this));
89		a.set(this, 2);
#	Line 79 | Line 97 | public class AtomicIntegerFieldUpdaterTe
97		*/
98		public void testGetLazySet() {
99		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
100	<	try {
83	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
84	<	} catch (RuntimeException ok) {
85	<	return;
86	<	}
100	>	a = updaterFor("x");
101		x = 1;
102		assertEquals(1, a.get(this));
103		a.lazySet(this, 2);
#	Line 97 | Line 111 | public class AtomicIntegerFieldUpdaterTe
111		*/
112		public void testCompareAndSet() {
113		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
114	<	try {
101	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
102	<	} catch (RuntimeException ok) {
103	<	return;
104	<	}
114	>	a = updaterFor("x");
115		x = 1;
116		assertTrue(a.compareAndSet(this, 1, 2));
117		assertTrue(a.compareAndSet(this, 2, -4));
#	Line 113 | Line 123 | public class AtomicIntegerFieldUpdaterTe
123		}
124
125		/**
126	+	* compareAndSet succeeds in changing protected field value if
127	+	* equal to expected else fails
128	+	*/
129	+	public void testCompareAndSetProtected() {
130	+	AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
131	+	a = updaterFor("protectedField");
132	+	protectedField = 1;
133	+	assertTrue(a.compareAndSet(this, 1, 2));
134	+	assertTrue(a.compareAndSet(this, 2, -4));
135	+	assertEquals(-4, a.get(this));
136	+	assertFalse(a.compareAndSet(this, -5, 7));
137	+	assertEquals(-4, a.get(this));
138	+	assertTrue(a.compareAndSet(this, -4, 7));
139	+	assertEquals(7, a.get(this));
140	+	}
141	+
142	+	/**
143	+	* compareAndSet succeeds in changing protected field value if
144	+	* equal to expected else fails
145	+	*/
146	+	public void testCompareAndSetProtectedInSubclass() {
147	+	NonNestmates.AtomicIntegerFieldUpdaterTestSubclass s =
148	+	new NonNestmates.AtomicIntegerFieldUpdaterTestSubclass();
149	+	s.checkCompareAndSetProtectedSub();
150	+	}
151	+
152	+	/**
153		* compareAndSet in one thread enables another waiting for value
154		* to succeed
155		*/
156		public void testCompareAndSetInMultipleThreads() throws Exception {
157		x = 1;
158	<	final AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest>a;
159	<	try {
123	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
124	<	} catch (RuntimeException ok) {
125	<	return;
126	<	}
158	>	final AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
159	>	a = updaterFor("x");
160
161		Thread t = new Thread(new CheckedRunnable() {
162		public void realRun() {
#	Line 135 | Line 168 | public class AtomicIntegerFieldUpdaterTe
168		assertTrue(a.compareAndSet(this, 1, 2));
169		t.join(LONG_DELAY_MS);
170		assertFalse(t.isAlive());
171	<	assertEquals(a.get(this), 3);
171	>	assertEquals(3, a.get(this));
172		}
173
174		/**
#	Line 144 | Line 177 | public class AtomicIntegerFieldUpdaterTe
177		*/
178		public void testWeakCompareAndSet() {
179		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
180	<	try {
148	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
149	<	} catch (RuntimeException ok) {
150	<	return;
151	<	}
180	>	a = updaterFor("x");
181		x = 1;
182	<	while (!a.weakCompareAndSet(this, 1, 2));
183	<	while (!a.weakCompareAndSet(this, 2, -4));
182	>	do {} while (!a.weakCompareAndSet(this, 1, 2));
183	>	do {} while (!a.weakCompareAndSet(this, 2, -4));
184		assertEquals(-4, a.get(this));
185	<	while (!a.weakCompareAndSet(this, -4, 7));
185	>	do {} while (!a.weakCompareAndSet(this, -4, 7));
186		assertEquals(7, a.get(this));
187		}
188
#	Line 162 | Line 191 | public class AtomicIntegerFieldUpdaterTe
191		*/
192		public void testGetAndSet() {
193		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
194	<	try {
166	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
167	<	} catch (RuntimeException ok) {
168	<	return;
169	<	}
194	>	a = updaterFor("x");
195		x = 1;
196		assertEquals(1, a.getAndSet(this, 0));
197		assertEquals(0, a.getAndSet(this, -10));
#	Line 178 | Line 203 | public class AtomicIntegerFieldUpdaterTe
203		*/
204		public void testGetAndAdd() {
205		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
206	<	try {
182	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
183	<	} catch (RuntimeException ok) {
184	<	return;
185	<	}
206	>	a = updaterFor("x");
207		x = 1;
208		assertEquals(1, a.getAndAdd(this, 2));
209		assertEquals(3, a.get(this));
#	Line 195 | Line 216 | public class AtomicIntegerFieldUpdaterTe
216		*/
217		public void testGetAndDecrement() {
218		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
219	<	try {
199	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
200	<	} catch (RuntimeException ok) {
201	<	return;
202	<	}
219	>	a = updaterFor("x");
220		x = 1;
221		assertEquals(1, a.getAndDecrement(this));
222		assertEquals(0, a.getAndDecrement(this));
#	Line 211 | Line 228 | public class AtomicIntegerFieldUpdaterTe
228		*/
229		public void testGetAndIncrement() {
230		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
231	<	try {
215	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
216	<	} catch (RuntimeException ok) {
217	<	return;
218	<	}
231	>	a = updaterFor("x");
232		x = 1;
233		assertEquals(1, a.getAndIncrement(this));
234		assertEquals(2, a.get(this));
#	Line 231 | Line 244 | public class AtomicIntegerFieldUpdaterTe
244		*/
245		public void testAddAndGet() {
246		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
247	<	try {
235	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
236	<	} catch (RuntimeException ok) {
237	<	return;
238	<	}
247	>	a = updaterFor("x");
248		x = 1;
249		assertEquals(3, a.addAndGet(this, 2));
250		assertEquals(3, a.get(this));
#	Line 248 | Line 257 | public class AtomicIntegerFieldUpdaterTe
257		*/
258		public void testDecrementAndGet() {
259		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
260	<	try {
252	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
253	<	} catch (RuntimeException ok) {
254	<	return;
255	<	}
260	>	a = updaterFor("x");
261		x = 1;
262		assertEquals(0, a.decrementAndGet(this));
263		assertEquals(-1, a.decrementAndGet(this));
#	Line 265 | Line 270 | public class AtomicIntegerFieldUpdaterTe
270		*/
271		public void testIncrementAndGet() {
272		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
273	<	try {
269	<	a = AtomicIntegerFieldUpdater.newUpdater(AtomicIntegerFieldUpdaterTest.class, "x");
270	<	} catch (RuntimeException ok) {
271	<	return;
272	<	}
273	>	a = updaterFor("x");
274		x = 1;
275		assertEquals(2, a.incrementAndGet(this));
276		assertEquals(2, a.get(this));

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