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

Comparing jsr166/src/test/tck/AtomicIntegerTest.java (file contents):
Revision 1.7 by dl, Mon Dec 29 19:05:40 2003 UTC vs.
Revision 1.13 by jsr166, Mon Nov 16 04:57:10 2009 UTC

#	Line 2 | Line 2
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.
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
#	Line 44 | Line 44 | public class AtomicIntegerTest extends J
44		assertEquals(2,ai.get());
45		ai.set(-3);
46		assertEquals(-3,ai.get());
47	<
47	>
48	>	}
49	>
50	>	/**
51	>	* get returns the last value lazySet in same thread
52	>	*/
53	>	public void testGetLazySet(){
54	>	AtomicInteger ai = new AtomicInteger(1);
55	>	assertEquals(1,ai.get());
56	>	ai.lazySet(2);
57	>	assertEquals(2,ai.get());
58	>	ai.lazySet(-3);
59	>	assertEquals(-3,ai.get());
60	>
61		}
62		/**
63		* compareAndSet succeeds in changing value if equal to expected else fails
#	Line 68 | Line 81 | public class AtomicIntegerTest extends J
81		final AtomicInteger ai = new AtomicInteger(1);
82		Thread t = new Thread(new Runnable() {
83		public void run() {
84	<	while(!ai.compareAndSet(2, 3)) Thread.yield();
84	>	while (!ai.compareAndSet(2, 3)) Thread.yield();
85		}});
86		try {
87		t.start();
#	Line 77 | Line 90 | public class AtomicIntegerTest extends J
90		assertFalse(t.isAlive());
91		assertEquals(ai.get(), 3);
92		}
93	<	catch(Exception e) {
93	>	catch (Exception e) {
94		unexpectedException();
95		}
96		}
97
98		/**
99		* repeated weakCompareAndSet succeeds in changing value when equal
100	<	* to expected
100	>	* to expected
101		*/
102		public void testWeakCompareAndSet(){
103		AtomicInteger ai = new AtomicInteger(1);
104	<	while(!ai.weakCompareAndSet(1,2));
105	<	while(!ai.weakCompareAndSet(2,-4));
104	>	while (!ai.weakCompareAndSet(1,2));
105	>	while (!ai.weakCompareAndSet(2,-4));
106		assertEquals(-4,ai.get());
107	<	while(!ai.weakCompareAndSet(-4,7));
107	>	while (!ai.weakCompareAndSet(-4,7));
108		assertEquals(7,ai.get());
109		}
110
#	Line 193 | Line 206 | public class AtomicIntegerTest extends J
206		ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
207		AtomicInteger r = (AtomicInteger) in.readObject();
208		assertEquals(l.get(), r.get());
209	<	} catch(Exception e){
209	>	} catch (Exception e){
210		unexpectedException();
211		}
212		}
213
214	+	/**
215	+	* toString returns current value.
216	+	*/
217	+	public void testToString() {
218	+	AtomicInteger ai = new AtomicInteger();
219	+	for (int i = -12; i < 6; ++i) {
220	+	ai.set(i);
221	+	assertEquals(ai.toString(), Integer.toString(i));
222	+	}
223	+	}
224	+
225	+	/**
226	+	* intValue returns current value.
227	+	*/
228	+	public void testIntValue() {
229	+	AtomicInteger ai = new AtomicInteger();
230	+	for (int i = -12; i < 6; ++i) {
231	+	ai.set(i);
232	+	assertEquals(i, ai.intValue());
233	+	}
234	+	}
235	+
236	+
237	+	/**
238	+	* longValue returns current value.
239	+	*/
240	+	public void testLongValue() {
241	+	AtomicInteger ai = new AtomicInteger();
242	+	for (int i = -12; i < 6; ++i) {
243	+	ai.set(i);
244	+	assertEquals((long)i, ai.longValue());
245	+	}
246	+	}
247	+
248	+	/**
249	+	* floatValue returns current value.
250	+	*/
251	+	public void testFloatValue() {
252	+	AtomicInteger ai = new AtomicInteger();
253	+	for (int i = -12; i < 6; ++i) {
254	+	ai.set(i);
255	+	assertEquals((float)i, ai.floatValue());
256	+	}
257	+	}
258	+
259	+	/**
260	+	* doubleValue returns current value.
261	+	*/
262	+	public void testDoubleValue() {
263	+	AtomicInteger ai = new AtomicInteger();
264	+	for (int i = -12; i < 6; ++i) {
265	+	ai.set(i);
266	+	assertEquals((double)i, ai.doubleValue());
267	+	}
268	+	}
269	+
270	+
271
272		}

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