6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
import junit.framework.*; |
9 |
|
import java.util.Arrays; |
10 |
|
import java.util.concurrent.atomic.AtomicIntegerArray; |
11 |
|
|
12 |
+ |
import junit.framework.Test; |
13 |
+ |
import junit.framework.TestSuite; |
14 |
+ |
|
15 |
|
public class AtomicIntegerArrayTest extends JSR166TestCase { |
16 |
|
|
17 |
|
public static void main(String[] args) { |
18 |
< |
junit.textui.TestRunner.run(suite()); |
18 |
> |
main(suite(), args); |
19 |
|
} |
20 |
|
public static Test suite() { |
21 |
|
return new TestSuite(AtomicIntegerArrayTest.class); |
36 |
|
public void testConstructor2NPE() { |
37 |
|
try { |
38 |
|
int[] a = null; |
39 |
< |
AtomicIntegerArray aa = new AtomicIntegerArray(a); |
39 |
> |
new AtomicIntegerArray(a); |
40 |
|
shouldThrow(); |
41 |
|
} catch (NullPointerException success) {} |
42 |
|
} |
164 |
|
AtomicIntegerArray aa = new AtomicIntegerArray(SIZE); |
165 |
|
for (int i = 0; i < SIZE; i++) { |
166 |
|
aa.set(i, 1); |
167 |
< |
while (!aa.weakCompareAndSet(i, 1, 2)); |
168 |
< |
while (!aa.weakCompareAndSet(i, 2, -4)); |
167 |
> |
do {} while (!aa.weakCompareAndSet(i, 1, 2)); |
168 |
> |
do {} while (!aa.weakCompareAndSet(i, 2, -4)); |
169 |
|
assertEquals(-4, aa.get(i)); |
170 |
< |
while (!aa.weakCompareAndSet(i, -4, 7)); |
170 |
> |
do {} while (!aa.weakCompareAndSet(i, -4, 7)); |
171 |
|
assertEquals(7, aa.get(i)); |
172 |
|
} |
173 |
|
} |
276 |
|
|
277 |
|
class Counter extends CheckedRunnable { |
278 |
|
final AtomicIntegerArray aa; |
279 |
< |
volatile int counts; |
279 |
> |
int decs; |
280 |
|
Counter(AtomicIntegerArray a) { aa = a; } |
281 |
|
public void realRun() { |
282 |
|
for (;;) { |
286 |
|
assertTrue(v >= 0); |
287 |
|
if (v != 0) { |
288 |
|
done = false; |
289 |
< |
if (aa.compareAndSet(i, v, v-1)) |
290 |
< |
++counts; |
289 |
> |
if (aa.compareAndSet(i, v, v - 1)) |
290 |
> |
decs++; |
291 |
|
} |
292 |
|
} |
293 |
|
if (done) |
307 |
|
aa.set(i, countdown); |
308 |
|
Counter c1 = new Counter(aa); |
309 |
|
Counter c2 = new Counter(aa); |
310 |
< |
Thread t1 = new Thread(c1); |
311 |
< |
Thread t2 = new Thread(c2); |
310 |
< |
t1.start(); |
311 |
< |
t2.start(); |
310 |
> |
Thread t1 = newStartedThread(c1); |
311 |
> |
Thread t2 = newStartedThread(c2); |
312 |
|
t1.join(); |
313 |
|
t2.join(); |
314 |
< |
assertEquals(c1.counts+c2.counts, SIZE * countdown); |
314 |
> |
assertEquals(c1.decs + c2.decs, SIZE * countdown); |
315 |
|
} |
316 |
|
|
317 |
|
/** |