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

Comparing jsr166/src/test/tck/AtomicIntegerArrayTest.java (file contents):
Revision 1.12 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.15 by jsr166, Tue Nov 17 06:58:50 2009 UTC

#	Line 37 | Line 37 | public class AtomicIntegerArrayTest exte
37		try {
38		int[] a = null;
39		AtomicIntegerArray ai = new AtomicIntegerArray(a);
40	<	} catch (NullPointerException success) {
41	<	} catch (Exception ex) {
42	<	unexpectedException();
43	<	}
40	>	shouldThrow();
41	>	} catch (NullPointerException success) {}
42		}
43
44		/**
#	Line 57 | Line 55 | public class AtomicIntegerArrayTest exte
55		/**
56		* get and set for out of bound indices throw IndexOutOfBoundsException
57		*/
58	<	public void testIndexing(){
58	>	public void testIndexing() {
59		AtomicIntegerArray ai = new AtomicIntegerArray(SIZE);
60		try {
61		ai.get(SIZE);
62	<	} catch (IndexOutOfBoundsException success){
62	>	shouldThrow();
63	>	} catch (IndexOutOfBoundsException success) {
64		}
65		try {
66		ai.get(-1);
67	<	} catch (IndexOutOfBoundsException success){
67	>	shouldThrow();
68	>	} catch (IndexOutOfBoundsException success) {
69		}
70		try {
71		ai.set(SIZE, 0);
72	<	} catch (IndexOutOfBoundsException success){
72	>	shouldThrow();
73	>	} catch (IndexOutOfBoundsException success) {
74		}
75		try {
76		ai.set(-1, 0);
77	<	} catch (IndexOutOfBoundsException success){
77	>	shouldThrow();
78	>	} catch (IndexOutOfBoundsException success) {
79		}
80		}
81
#	Line 128 | Line 130 | public class AtomicIntegerArrayTest exte
130		* compareAndSet in one thread enables another waiting for value
131		* to succeed
132		*/
133	<	public void testCompareAndSetInMultipleThreads() {
133	>	public void testCompareAndSetInMultipleThreads() throws Exception {
134		final AtomicIntegerArray a = new AtomicIntegerArray(1);
135		a.set(0, 1);
136	<	Thread t = new Thread(new Runnable() {
137	<	public void run() {
138	<	while (!a.compareAndSet(0, 2, 3)) Thread.yield();
139	<	}});
140	<	try {
141	<	t.start();
142	<	assertTrue(a.compareAndSet(0, 1, 2));
143	<	t.join(LONG_DELAY_MS);
144	<	assertFalse(t.isAlive());
145	<	assertEquals(a.get(0), 3);
146	<	}
145	<	catch (Exception e) {
146	<	unexpectedException();
147	<	}
136	>	Thread t = new Thread(new CheckedRunnable() {
137	>	public void realRun() {
138	>	while (!a.compareAndSet(0, 2, 3))
139	>	Thread.yield();
140	>	}});
141	>
142	>	t.start();
143	>	assertTrue(a.compareAndSet(0, 1, 2));
144	>	t.join(LONG_DELAY_MS);
145	>	assertFalse(t.isAlive());
146	>	assertEquals(a.get(0), 3);
147		}
148
149		/**
#	Line 293 | Line 292 | public class AtomicIntegerArrayTest exte
292		* Multiple threads using same array of counters successfully
293		* update a number of times equal to total count
294		*/
295	<	public void testCountingInMultipleThreads() {
296	<	try {
297	<	final AtomicIntegerArray ai = new AtomicIntegerArray(SIZE);
298	<	for (int i = 0; i < SIZE; ++i)
299	<	ai.set(i, COUNTDOWN);
300	<	Counter c1 = new Counter(ai);
301	<	Counter c2 = new Counter(ai);
302	<	Thread t1 = new Thread(c1);
303	<	Thread t2 = new Thread(c2);
304	<	t1.start();
305	<	t2.start();
306	<	t1.join();
307	<	t2.join();
309	<	assertEquals(c1.counts+c2.counts, SIZE * COUNTDOWN);
310	<	}
311	<	catch (InterruptedException ie) {
312	<	unexpectedException();
313	<	}
295	>	public void testCountingInMultipleThreads() throws InterruptedException {
296	>	final AtomicIntegerArray ai = new AtomicIntegerArray(SIZE);
297	>	for (int i = 0; i < SIZE; ++i)
298	>	ai.set(i, COUNTDOWN);
299	>	Counter c1 = new Counter(ai);
300	>	Counter c2 = new Counter(ai);
301	>	Thread t1 = new Thread(c1);
302	>	Thread t2 = new Thread(c2);
303	>	t1.start();
304	>	t2.start();
305	>	t1.join();
306	>	t2.join();
307	>	assertEquals(c1.counts+c2.counts, SIZE * COUNTDOWN);
308		}
309
310
311		/**
312		* a deserialized serialized array holds same values
313		*/
314	<	public void testSerialization() {
314	>	public void testSerialization() throws Exception {
315		AtomicIntegerArray l = new AtomicIntegerArray(SIZE);
316		for (int i = 0; i < SIZE; ++i)
317		l.set(i, -i);
318
319	<	try {
320	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
321	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
322	<	out.writeObject(l);
323	<	out.close();
324	<
325	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
326	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
327	<	AtomicIntegerArray r = (AtomicIntegerArray) in.readObject();
328	<	for (int i = 0; i < SIZE; ++i) {
335	<	assertEquals(l.get(i), r.get(i));
336	<	}
337	<	} catch (Exception e){
338	<	e.printStackTrace();
339	<	unexpectedException();
319	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
320	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
321	>	out.writeObject(l);
322	>	out.close();
323	>
324	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
325	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
326	>	AtomicIntegerArray r = (AtomicIntegerArray) in.readObject();
327	>	for (int i = 0; i < SIZE; ++i) {
328	>	assertEquals(l.get(i), r.get(i));
329		}
330		}
331

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