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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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> |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
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> |
* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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|
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public class PriorityBlockingQueueTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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> |
junit.textui.TestRunner.run (suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(PriorityBlockingQueueTest.class); |
20 |
> |
return new TestSuite(PriorityBlockingQueueTest.class); |
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} |
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|
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private static final int NOCAP = Integer.MAX_VALUE; |
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|
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/** Sample Comparator */ |
26 |
< |
static class MyReverseComparator implements Comparator { |
26 |
> |
static class MyReverseComparator implements Comparator { |
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public int compare(Object x, Object y) { |
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int i = ((Integer)x).intValue(); |
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int j = ((Integer)y).intValue(); |
40 |
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private PriorityBlockingQueue populatedQueue(int n) { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(n); |
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assertTrue(q.isEmpty()); |
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< |
for(int i = n-1; i >= 0; i-=2) |
44 |
< |
assertTrue(q.offer(new Integer(i))); |
45 |
< |
for(int i = (n & 1); i < n; i+=2) |
46 |
< |
assertTrue(q.offer(new Integer(i))); |
43 |
> |
for (int i = n-1; i >= 0; i-=2) |
44 |
> |
assertTrue(q.offer(new Integer(i))); |
45 |
> |
for (int i = (n & 1); i < n; i+=2) |
46 |
> |
assertTrue(q.offer(new Integer(i))); |
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assertFalse(q.isEmpty()); |
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assertEquals(NOCAP, q.remainingCapacity()); |
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< |
assertEquals(n, q.size()); |
49 |
> |
assertEquals(n, q.size()); |
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return q; |
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} |
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< |
|
52 |
> |
|
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/** |
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* A new queue has unbounded capacity |
55 |
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*/ |
64 |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(0); |
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shouldThrow(); |
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} |
67 |
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catch (IllegalArgumentException success) {} |
67 |
> |
} catch (IllegalArgumentException success) {} |
68 |
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} |
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|
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/** |
74 |
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try { |
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PriorityBlockingQueue q = new PriorityBlockingQueue(null); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) {} |
77 |
> |
} catch (NullPointerException success) {} |
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} |
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|
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/** |
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Integer[] ints = new Integer[SIZE]; |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
90 |
< |
catch (NullPointerException success) {} |
88 |
> |
} catch (NullPointerException success) {} |
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} |
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|
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/** |
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ints[i] = new Integer(i); |
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PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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shouldThrow(); |
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} |
104 |
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catch (NullPointerException success) {} |
101 |
> |
} catch (NullPointerException success) {} |
102 |
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} |
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|
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/** |
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* Queue contains all elements of collection used to initialize |
106 |
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*/ |
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public void testConstructor6() { |
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< |
try { |
109 |
< |
Integer[] ints = new Integer[SIZE]; |
110 |
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for (int i = 0; i < SIZE; ++i) |
111 |
< |
ints[i] = new Integer(i); |
112 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
113 |
< |
for (int i = 0; i < SIZE; ++i) |
117 |
< |
assertEquals(ints[i], q.poll()); |
118 |
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} |
119 |
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finally {} |
108 |
> |
Integer[] ints = new Integer[SIZE]; |
109 |
> |
for (int i = 0; i < SIZE; ++i) |
110 |
> |
ints[i] = new Integer(i); |
111 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(Arrays.asList(ints)); |
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> |
for (int i = 0; i < SIZE; ++i) |
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> |
assertEquals(ints[i], q.poll()); |
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} |
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|
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/** |
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* The comparator used in constructor is used |
118 |
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*/ |
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public void testConstructor7() { |
120 |
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try { |
121 |
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MyReverseComparator cmp = new MyReverseComparator(); |
122 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
123 |
< |
assertEquals(cmp, q.comparator()); |
124 |
< |
Integer[] ints = new Integer[SIZE]; |
125 |
< |
for (int i = 0; i < SIZE; ++i) |
126 |
< |
ints[i] = new Integer(i); |
127 |
< |
q.addAll(Arrays.asList(ints)); |
128 |
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for (int i = SIZE-1; i >= 0; --i) |
135 |
< |
assertEquals(ints[i], q.poll()); |
136 |
< |
} |
137 |
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finally {} |
120 |
> |
MyReverseComparator cmp = new MyReverseComparator(); |
121 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE, cmp); |
122 |
> |
assertEquals(cmp, q.comparator()); |
123 |
> |
Integer[] ints = new Integer[SIZE]; |
124 |
> |
for (int i = 0; i < SIZE; ++i) |
125 |
> |
ints[i] = new Integer(i); |
126 |
> |
q.addAll(Arrays.asList(ints)); |
127 |
> |
for (int i = SIZE-1; i >= 0; --i) |
128 |
> |
assertEquals(ints[i], q.poll()); |
129 |
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} |
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|
131 |
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/** |
144 |
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} |
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|
146 |
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/** |
147 |
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* remainingCapacity does not change when elementa added or removed, |
147 |
> |
* remainingCapacity does not change when elements added or removed, |
148 |
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* but size does |
149 |
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*/ |
150 |
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public void testRemainingCapacity() { |
165 |
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* offer(null) throws NPE |
166 |
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*/ |
167 |
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public void testOfferNull() { |
168 |
< |
try { |
168 |
> |
try { |
169 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
170 |
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q.offer(null); |
171 |
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shouldThrow(); |
172 |
< |
} catch (NullPointerException success) { } |
172 |
> |
} catch (NullPointerException success) {} |
173 |
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} |
174 |
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|
175 |
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/** |
176 |
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* add(null) throws NPE |
177 |
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*/ |
178 |
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public void testAddNull() { |
179 |
< |
try { |
179 |
> |
try { |
180 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
181 |
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q.add(null); |
182 |
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shouldThrow(); |
183 |
< |
} catch (NullPointerException success) { } |
183 |
> |
} catch (NullPointerException success) {} |
184 |
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} |
185 |
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|
186 |
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/** |
202 |
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q.offer(new Object()); |
203 |
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q.offer(new Object()); |
204 |
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shouldThrow(); |
205 |
< |
} |
215 |
< |
catch(ClassCastException success) {} |
205 |
> |
} catch (ClassCastException success) {} |
206 |
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} |
207 |
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|
208 |
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/** |
224 |
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PriorityBlockingQueue q = new PriorityBlockingQueue(1); |
225 |
|
q.addAll(null); |
226 |
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shouldThrow(); |
227 |
< |
} |
238 |
< |
catch (NullPointerException success) {} |
227 |
> |
} catch (NullPointerException success) {} |
228 |
|
} |
229 |
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|
230 |
|
/** |
235 |
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PriorityBlockingQueue q = populatedQueue(SIZE); |
236 |
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q.addAll(q); |
237 |
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shouldThrow(); |
238 |
< |
} |
250 |
< |
catch (IllegalArgumentException success) {} |
238 |
> |
} catch (IllegalArgumentException success) {} |
239 |
|
} |
240 |
|
|
241 |
|
/** |
247 |
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Integer[] ints = new Integer[SIZE]; |
248 |
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q.addAll(Arrays.asList(ints)); |
249 |
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shouldThrow(); |
250 |
< |
} |
263 |
< |
catch (NullPointerException success) {} |
250 |
> |
} catch (NullPointerException success) {} |
251 |
|
} |
252 |
|
/** |
253 |
|
* addAll of a collection with any null elements throws NPE after |
261 |
|
ints[i] = new Integer(i); |
262 |
|
q.addAll(Arrays.asList(ints)); |
263 |
|
shouldThrow(); |
264 |
< |
} |
278 |
< |
catch (NullPointerException success) {} |
264 |
> |
} catch (NullPointerException success) {} |
265 |
|
} |
266 |
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|
267 |
|
/** |
268 |
|
* Queue contains all elements of successful addAll |
269 |
|
*/ |
270 |
|
public void testAddAll5() { |
271 |
< |
try { |
272 |
< |
Integer[] empty = new Integer[0]; |
273 |
< |
Integer[] ints = new Integer[SIZE]; |
274 |
< |
for (int i = SIZE-1; i >= 0; --i) |
275 |
< |
ints[i] = new Integer(i); |
276 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
277 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
278 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
279 |
< |
for (int i = 0; i < SIZE; ++i) |
294 |
< |
assertEquals(ints[i], q.poll()); |
295 |
< |
} |
296 |
< |
finally {} |
271 |
> |
Integer[] empty = new Integer[0]; |
272 |
> |
Integer[] ints = new Integer[SIZE]; |
273 |
> |
for (int i = SIZE-1; i >= 0; --i) |
274 |
> |
ints[i] = new Integer(i); |
275 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
276 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
277 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
278 |
> |
for (int i = 0; i < SIZE; ++i) |
279 |
> |
assertEquals(ints[i], q.poll()); |
280 |
|
} |
281 |
|
|
282 |
|
/** |
283 |
|
* put(null) throws NPE |
284 |
|
*/ |
285 |
|
public void testPutNull() { |
286 |
< |
try { |
286 |
> |
try { |
287 |
|
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
288 |
|
q.put(null); |
289 |
|
shouldThrow(); |
290 |
< |
} |
308 |
< |
catch (NullPointerException success){ |
309 |
< |
} |
290 |
> |
} catch (NullPointerException success) {} |
291 |
|
} |
292 |
|
|
293 |
|
/** |
294 |
|
* all elements successfully put are contained |
295 |
|
*/ |
296 |
|
public void testPut() { |
297 |
< |
try { |
298 |
< |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
299 |
< |
for (int i = 0; i < SIZE; ++i) { |
300 |
< |
Integer I = new Integer(i); |
301 |
< |
q.put(I); |
321 |
< |
assertTrue(q.contains(I)); |
322 |
< |
} |
323 |
< |
assertEquals(SIZE, q.size()); |
297 |
> |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE); |
298 |
> |
for (int i = 0; i < SIZE; ++i) { |
299 |
> |
Integer I = new Integer(i); |
300 |
> |
q.put(I); |
301 |
> |
assertTrue(q.contains(I)); |
302 |
|
} |
303 |
< |
finally { |
326 |
< |
} |
303 |
> |
assertEquals(SIZE, q.size()); |
304 |
|
} |
305 |
|
|
306 |
|
/** |
307 |
|
* put doesn't block waiting for take |
308 |
|
*/ |
309 |
< |
public void testPutWithTake() { |
309 |
> |
public void testPutWithTake() throws InterruptedException { |
310 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
311 |
< |
Thread t = new Thread(new Runnable() { |
312 |
< |
public void run() { |
313 |
< |
int added = 0; |
314 |
< |
try { |
315 |
< |
q.put(new Integer(0)); |
316 |
< |
++added; |
317 |
< |
q.put(new Integer(0)); |
318 |
< |
++added; |
319 |
< |
q.put(new Integer(0)); |
320 |
< |
++added; |
321 |
< |
q.put(new Integer(0)); |
322 |
< |
++added; |
323 |
< |
threadAssertTrue(added == 4); |
347 |
< |
} finally { |
348 |
< |
} |
349 |
< |
} |
350 |
< |
}); |
351 |
< |
try { |
352 |
< |
t.start(); |
353 |
< |
Thread.sleep(SHORT_DELAY_MS); |
354 |
< |
q.take(); |
355 |
< |
t.interrupt(); |
356 |
< |
t.join(); |
357 |
< |
} catch (Exception e){ |
358 |
< |
unexpectedException(); |
359 |
< |
} |
311 |
> |
final int size = 4; |
312 |
> |
Thread t = new Thread(new CheckedRunnable() { |
313 |
> |
public void realRun() { |
314 |
> |
for (int i = 0; i < size; i++) |
315 |
> |
q.put(new Integer(0)); |
316 |
> |
}}); |
317 |
> |
|
318 |
> |
t.start(); |
319 |
> |
Thread.sleep(SHORT_DELAY_MS); |
320 |
> |
assertEquals(q.size(), size); |
321 |
> |
q.take(); |
322 |
> |
t.interrupt(); |
323 |
> |
t.join(); |
324 |
|
} |
325 |
|
|
326 |
|
/** |
327 |
|
* timed offer does not time out |
328 |
|
*/ |
329 |
< |
public void testTimedOffer() { |
329 |
> |
public void testTimedOffer() throws InterruptedException { |
330 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
331 |
|
Thread t = new Thread(new Runnable() { |
332 |
|
public void run() { |
333 |
|
try { |
334 |
|
q.put(new Integer(0)); |
335 |
|
q.put(new Integer(0)); |
336 |
< |
threadAssertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
337 |
< |
threadAssertTrue(q.offer(new Integer(0), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
336 |
> |
threadAssertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, MILLISECONDS)); |
337 |
> |
threadAssertTrue(q.offer(new Integer(0), LONG_DELAY_MS, MILLISECONDS)); |
338 |
|
} finally { } |
339 |
|
} |
340 |
|
}); |
341 |
< |
|
342 |
< |
try { |
343 |
< |
t.start(); |
344 |
< |
Thread.sleep(SMALL_DELAY_MS); |
345 |
< |
t.interrupt(); |
382 |
< |
t.join(); |
383 |
< |
} catch (Exception e){ |
384 |
< |
unexpectedException(); |
385 |
< |
} |
341 |
> |
|
342 |
> |
t.start(); |
343 |
> |
Thread.sleep(SMALL_DELAY_MS); |
344 |
> |
t.interrupt(); |
345 |
> |
t.join(); |
346 |
|
} |
347 |
|
|
348 |
|
/** |
349 |
|
* take retrieves elements in priority order |
350 |
|
*/ |
351 |
< |
public void testTake() { |
352 |
< |
try { |
353 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
354 |
< |
for (int i = 0; i < SIZE; ++i) { |
355 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
396 |
< |
} |
397 |
< |
} catch (InterruptedException e){ |
398 |
< |
unexpectedException(); |
399 |
< |
} |
351 |
> |
public void testTake() throws InterruptedException { |
352 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
353 |
> |
for (int i = 0; i < SIZE; ++i) { |
354 |
> |
assertEquals(i, ((Integer)q.take()).intValue()); |
355 |
> |
} |
356 |
|
} |
357 |
|
|
358 |
|
/** |
359 |
|
* take blocks interruptibly when empty |
360 |
|
*/ |
361 |
< |
public void testTakeFromEmpty() { |
361 |
> |
public void testTakeFromEmpty() throws InterruptedException { |
362 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
363 |
< |
Thread t = new Thread(new Runnable() { |
364 |
< |
public void run() { |
365 |
< |
try { |
366 |
< |
q.take(); |
367 |
< |
threadShouldThrow(); |
368 |
< |
} catch (InterruptedException success){ } |
369 |
< |
} |
370 |
< |
}); |
371 |
< |
try { |
416 |
< |
t.start(); |
417 |
< |
Thread.sleep(SHORT_DELAY_MS); |
418 |
< |
t.interrupt(); |
419 |
< |
t.join(); |
420 |
< |
} catch (Exception e){ |
421 |
< |
unexpectedException(); |
422 |
< |
} |
363 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
364 |
> |
public void realRun() throws InterruptedException { |
365 |
> |
q.take(); |
366 |
> |
}}); |
367 |
> |
|
368 |
> |
t.start(); |
369 |
> |
Thread.sleep(SHORT_DELAY_MS); |
370 |
> |
t.interrupt(); |
371 |
> |
t.join(); |
372 |
|
} |
373 |
|
|
374 |
|
/** |
375 |
|
* Take removes existing elements until empty, then blocks interruptibly |
376 |
|
*/ |
377 |
< |
public void testBlockingTake() { |
378 |
< |
Thread t = new Thread(new Runnable() { |
379 |
< |
public void run() { |
380 |
< |
try { |
381 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
382 |
< |
for (int i = 0; i < SIZE; ++i) { |
383 |
< |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
384 |
< |
} |
385 |
< |
q.take(); |
386 |
< |
threadShouldThrow(); |
438 |
< |
} catch (InterruptedException success){ |
439 |
< |
} |
440 |
< |
}}); |
377 |
> |
public void testBlockingTake() throws InterruptedException { |
378 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
379 |
> |
public void realRun() throws InterruptedException { |
380 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
381 |
> |
for (int i = 0; i < SIZE; ++i) { |
382 |
> |
threadAssertEquals(i, ((Integer)q.take()).intValue()); |
383 |
> |
} |
384 |
> |
q.take(); |
385 |
> |
}}); |
386 |
> |
|
387 |
|
t.start(); |
388 |
< |
try { |
389 |
< |
Thread.sleep(SHORT_DELAY_MS); |
390 |
< |
t.interrupt(); |
445 |
< |
t.join(); |
446 |
< |
} |
447 |
< |
catch (InterruptedException ie) { |
448 |
< |
unexpectedException(); |
449 |
< |
} |
388 |
> |
Thread.sleep(SHORT_DELAY_MS); |
389 |
> |
t.interrupt(); |
390 |
> |
t.join(); |
391 |
|
} |
392 |
|
|
393 |
|
|
399 |
|
for (int i = 0; i < SIZE; ++i) { |
400 |
|
assertEquals(i, ((Integer)q.poll()).intValue()); |
401 |
|
} |
402 |
< |
assertNull(q.poll()); |
402 |
> |
assertNull(q.poll()); |
403 |
|
} |
404 |
|
|
405 |
|
/** |
406 |
|
* timed pool with zero timeout succeeds when non-empty, else times out |
407 |
|
*/ |
408 |
< |
public void testTimedPoll0() { |
409 |
< |
try { |
410 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
411 |
< |
for (int i = 0; i < SIZE; ++i) { |
412 |
< |
assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
413 |
< |
} |
473 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
474 |
< |
} catch (InterruptedException e){ |
475 |
< |
unexpectedException(); |
476 |
< |
} |
408 |
> |
public void testTimedPoll0() throws InterruptedException { |
409 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
410 |
> |
for (int i = 0; i < SIZE; ++i) { |
411 |
> |
assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue()); |
412 |
> |
} |
413 |
> |
assertNull(q.poll(0, MILLISECONDS)); |
414 |
|
} |
415 |
|
|
416 |
|
/** |
417 |
|
* timed pool with nonzero timeout succeeds when non-empty, else times out |
418 |
|
*/ |
419 |
< |
public void testTimedPoll() { |
420 |
< |
try { |
421 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
422 |
< |
for (int i = 0; i < SIZE; ++i) { |
423 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
424 |
< |
} |
488 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
489 |
< |
} catch (InterruptedException e){ |
490 |
< |
unexpectedException(); |
491 |
< |
} |
419 |
> |
public void testTimedPoll() throws InterruptedException { |
420 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
421 |
> |
for (int i = 0; i < SIZE; ++i) { |
422 |
> |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
423 |
> |
} |
424 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
425 |
|
} |
426 |
|
|
427 |
|
/** |
428 |
|
* Interrupted timed poll throws InterruptedException instead of |
429 |
|
* returning timeout status |
430 |
|
*/ |
431 |
< |
public void testInterruptedTimedPoll() { |
432 |
< |
Thread t = new Thread(new Runnable() { |
433 |
< |
public void run() { |
434 |
< |
try { |
435 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
436 |
< |
for (int i = 0; i < SIZE; ++i) { |
437 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
438 |
< |
} |
439 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
440 |
< |
} catch (InterruptedException success){ |
441 |
< |
} |
442 |
< |
}}); |
431 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
432 |
> |
Thread t = new Thread(new CheckedRunnable() { |
433 |
> |
public void realRun() throws InterruptedException { |
434 |
> |
PriorityBlockingQueue q = populatedQueue(SIZE); |
435 |
> |
for (int i = 0; i < SIZE; ++i) { |
436 |
> |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
437 |
> |
} |
438 |
> |
try { |
439 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
440 |
> |
threadShouldThrow(); |
441 |
> |
} catch (InterruptedException success) {} |
442 |
> |
}}); |
443 |
> |
|
444 |
|
t.start(); |
445 |
< |
try { |
446 |
< |
Thread.sleep(SHORT_DELAY_MS); |
447 |
< |
t.interrupt(); |
514 |
< |
t.join(); |
515 |
< |
} |
516 |
< |
catch (InterruptedException ie) { |
517 |
< |
unexpectedException(); |
518 |
< |
} |
445 |
> |
Thread.sleep(SHORT_DELAY_MS); |
446 |
> |
t.interrupt(); |
447 |
> |
t.join(); |
448 |
|
} |
449 |
|
|
450 |
|
/** |
451 |
|
* timed poll before a delayed offer fails; after offer succeeds; |
452 |
|
* on interruption throws |
453 |
|
*/ |
454 |
< |
public void testTimedPollWithOffer() { |
454 |
> |
public void testTimedPollWithOffer() throws InterruptedException { |
455 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
456 |
< |
Thread t = new Thread(new Runnable() { |
457 |
< |
public void run() { |
458 |
< |
try { |
459 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
460 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
461 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
462 |
< |
threadShouldThrow(); |
463 |
< |
} catch (InterruptedException success) { } |
464 |
< |
} |
465 |
< |
}); |
466 |
< |
try { |
467 |
< |
t.start(); |
468 |
< |
Thread.sleep(SMALL_DELAY_MS); |
469 |
< |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
470 |
< |
t.interrupt(); |
471 |
< |
t.join(); |
543 |
< |
} catch (Exception e){ |
544 |
< |
unexpectedException(); |
545 |
< |
} |
546 |
< |
} |
456 |
> |
Thread t = new Thread(new CheckedRunnable() { |
457 |
> |
public void realRun() throws InterruptedException { |
458 |
> |
threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
459 |
> |
threadAssertEquals(0, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
460 |
> |
try { |
461 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
462 |
> |
threadShouldThrow(); |
463 |
> |
} catch (InterruptedException success) {} |
464 |
> |
}}); |
465 |
> |
|
466 |
> |
t.start(); |
467 |
> |
Thread.sleep(SMALL_DELAY_MS); |
468 |
> |
assertTrue(q.offer(new Integer(0), SHORT_DELAY_MS, MILLISECONDS)); |
469 |
> |
t.interrupt(); |
470 |
> |
t.join(); |
471 |
> |
} |
472 |
|
|
473 |
|
|
474 |
|
/** |
482 |
|
assertTrue(q.peek() == null || |
483 |
|
i != ((Integer)q.peek()).intValue()); |
484 |
|
} |
485 |
< |
assertNull(q.peek()); |
485 |
> |
assertNull(q.peek()); |
486 |
|
} |
487 |
|
|
488 |
|
/** |
497 |
|
try { |
498 |
|
q.element(); |
499 |
|
shouldThrow(); |
500 |
< |
} |
576 |
< |
catch (NoSuchElementException success) {} |
500 |
> |
} catch (NoSuchElementException success) {} |
501 |
|
} |
502 |
|
|
503 |
|
/** |
511 |
|
try { |
512 |
|
q.remove(); |
513 |
|
shouldThrow(); |
514 |
< |
} catch (NoSuchElementException success){ |
591 |
< |
} |
514 |
> |
} catch (NoSuchElementException success) {} |
515 |
|
} |
516 |
|
|
517 |
|
/** |
528 |
|
} |
529 |
|
assertTrue(q.isEmpty()); |
530 |
|
} |
531 |
< |
|
531 |
> |
|
532 |
|
/** |
533 |
|
* contains(x) reports true when elements added but not yet removed |
534 |
|
*/ |
549 |
|
q.clear(); |
550 |
|
assertTrue(q.isEmpty()); |
551 |
|
assertEquals(0, q.size()); |
552 |
< |
assertEquals(NOCAP, q.remainingCapacity()); |
630 |
< |
q.add(new Integer(1)); |
552 |
> |
q.add(one); |
553 |
|
assertFalse(q.isEmpty()); |
554 |
+ |
assertTrue(q.contains(one)); |
555 |
|
q.clear(); |
556 |
|
assertTrue(q.isEmpty()); |
557 |
|
} |
608 |
|
/** |
609 |
|
* toArray contains all elements |
610 |
|
*/ |
611 |
< |
public void testToArray() { |
611 |
> |
public void testToArray() throws InterruptedException { |
612 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
613 |
< |
Object[] o = q.toArray(); |
613 |
> |
Object[] o = q.toArray(); |
614 |
|
Arrays.sort(o); |
615 |
< |
try { |
616 |
< |
for(int i = 0; i < o.length; i++) |
694 |
< |
assertEquals(o[i], q.take()); |
695 |
< |
} catch (InterruptedException e){ |
696 |
< |
unexpectedException(); |
697 |
< |
} |
615 |
> |
for (int i = 0; i < o.length; i++) |
616 |
> |
assertEquals(o[i], q.take()); |
617 |
|
} |
618 |
|
|
619 |
|
/** |
620 |
|
* toArray(a) contains all elements |
621 |
|
*/ |
622 |
< |
public void testToArray2() { |
622 |
> |
public void testToArray2() throws InterruptedException { |
623 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
624 |
< |
Integer[] ints = new Integer[SIZE]; |
625 |
< |
ints = (Integer[])q.toArray(ints); |
624 |
> |
Integer[] ints = new Integer[SIZE]; |
625 |
> |
ints = (Integer[])q.toArray(ints); |
626 |
|
Arrays.sort(ints); |
627 |
< |
try { |
628 |
< |
for(int i = 0; i < ints.length; i++) |
710 |
< |
assertEquals(ints[i], q.take()); |
711 |
< |
} catch (InterruptedException e){ |
712 |
< |
unexpectedException(); |
713 |
< |
} |
627 |
> |
for (int i = 0; i < ints.length; i++) |
628 |
> |
assertEquals(ints[i], q.take()); |
629 |
|
} |
630 |
|
|
631 |
|
/** |
632 |
|
* toArray(null) throws NPE |
633 |
|
*/ |
634 |
|
public void testToArray_BadArg() { |
635 |
< |
try { |
635 |
> |
try { |
636 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
637 |
< |
Object o[] = q.toArray(null); |
638 |
< |
shouldThrow(); |
639 |
< |
} catch(NullPointerException success){} |
637 |
> |
Object o[] = q.toArray(null); |
638 |
> |
shouldThrow(); |
639 |
> |
} catch (NullPointerException success) {} |
640 |
|
} |
641 |
|
|
642 |
|
/** |
643 |
< |
* toArray with incompatable array type throws CCE |
643 |
> |
* toArray with incompatible array type throws CCE |
644 |
|
*/ |
645 |
|
public void testToArray1_BadArg() { |
646 |
< |
try { |
646 |
> |
try { |
647 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
648 |
< |
Object o[] = q.toArray(new String[10] ); |
649 |
< |
shouldThrow(); |
650 |
< |
} catch(ArrayStoreException success){} |
648 |
> |
Object o[] = q.toArray(new String[10] ); |
649 |
> |
shouldThrow(); |
650 |
> |
} catch (ArrayStoreException success) {} |
651 |
|
} |
652 |
< |
|
652 |
> |
|
653 |
|
/** |
654 |
|
* iterator iterates through all elements |
655 |
|
*/ |
656 |
|
public void testIterator() { |
657 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
658 |
|
int i = 0; |
659 |
< |
Iterator it = q.iterator(); |
660 |
< |
while(it.hasNext()) { |
659 |
> |
Iterator it = q.iterator(); |
660 |
> |
while (it.hasNext()) { |
661 |
|
assertTrue(q.contains(it.next())); |
662 |
|
++i; |
663 |
|
} |
693 |
|
for (int i = 0; i < SIZE; ++i) { |
694 |
|
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
695 |
|
} |
696 |
< |
} |
696 |
> |
} |
697 |
|
|
698 |
|
/** |
699 |
|
* offer transfers elements across Executor tasks |
701 |
|
public void testPollInExecutor() { |
702 |
|
final PriorityBlockingQueue q = new PriorityBlockingQueue(2); |
703 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
704 |
< |
executor.execute(new Runnable() { |
705 |
< |
public void run() { |
704 |
> |
executor.execute(new CheckedRunnable() { |
705 |
> |
public void realRun() throws InterruptedException { |
706 |
|
threadAssertNull(q.poll()); |
707 |
< |
try { |
708 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
709 |
< |
threadAssertTrue(q.isEmpty()); |
710 |
< |
} |
711 |
< |
catch (InterruptedException e) { |
712 |
< |
threadUnexpectedException(); |
713 |
< |
} |
714 |
< |
} |
715 |
< |
}); |
707 |
> |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
708 |
> |
threadAssertTrue(q.isEmpty()); |
709 |
> |
}}); |
710 |
> |
|
711 |
> |
executor.execute(new CheckedRunnable() { |
712 |
> |
public void realRun() throws InterruptedException { |
713 |
> |
Thread.sleep(SMALL_DELAY_MS); |
714 |
> |
q.put(new Integer(1)); |
715 |
> |
}}); |
716 |
|
|
802 |
– |
executor.execute(new Runnable() { |
803 |
– |
public void run() { |
804 |
– |
try { |
805 |
– |
Thread.sleep(SMALL_DELAY_MS); |
806 |
– |
q.put(new Integer(1)); |
807 |
– |
} |
808 |
– |
catch (InterruptedException e) { |
809 |
– |
threadUnexpectedException(); |
810 |
– |
} |
811 |
– |
} |
812 |
– |
}); |
813 |
– |
|
717 |
|
joinPool(executor); |
718 |
|
} |
719 |
|
|
720 |
|
/** |
721 |
< |
* A deserialized serialized queue has same elements |
721 |
> |
* A deserialized serialized queue has same elements |
722 |
|
*/ |
723 |
< |
public void testSerialization() { |
723 |
> |
public void testSerialization() throws Exception { |
724 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
725 |
< |
try { |
726 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
727 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
728 |
< |
out.writeObject(q); |
729 |
< |
out.close(); |
730 |
< |
|
731 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
732 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
733 |
< |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
734 |
< |
assertEquals(q.size(), r.size()); |
735 |
< |
while (!q.isEmpty()) |
833 |
< |
assertEquals(q.remove(), r.remove()); |
834 |
< |
} catch(Exception e){ |
835 |
< |
unexpectedException(); |
836 |
< |
} |
725 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
726 |
> |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
727 |
> |
out.writeObject(q); |
728 |
> |
out.close(); |
729 |
> |
|
730 |
> |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
731 |
> |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
732 |
> |
PriorityBlockingQueue r = (PriorityBlockingQueue)in.readObject(); |
733 |
> |
assertEquals(q.size(), r.size()); |
734 |
> |
while (!q.isEmpty()) |
735 |
> |
assertEquals(q.remove(), r.remove()); |
736 |
|
} |
737 |
|
|
738 |
|
/** |
739 |
|
* drainTo(null) throws NPE |
740 |
< |
*/ |
740 |
> |
*/ |
741 |
|
public void testDrainToNull() { |
742 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
743 |
|
try { |
744 |
|
q.drainTo(null); |
745 |
|
shouldThrow(); |
746 |
< |
} catch(NullPointerException success) { |
848 |
< |
} |
746 |
> |
} catch (NullPointerException success) {} |
747 |
|
} |
748 |
|
|
749 |
|
/** |
750 |
|
* drainTo(this) throws IAE |
751 |
< |
*/ |
751 |
> |
*/ |
752 |
|
public void testDrainToSelf() { |
753 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
754 |
|
try { |
755 |
|
q.drainTo(q); |
756 |
|
shouldThrow(); |
757 |
< |
} catch(IllegalArgumentException success) { |
860 |
< |
} |
757 |
> |
} catch (IllegalArgumentException success) {} |
758 |
|
} |
759 |
|
|
760 |
|
/** |
761 |
|
* drainTo(c) empties queue into another collection c |
762 |
< |
*/ |
762 |
> |
*/ |
763 |
|
public void testDrainTo() { |
764 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
765 |
|
ArrayList l = new ArrayList(); |
766 |
|
q.drainTo(l); |
767 |
|
assertEquals(q.size(), 0); |
768 |
|
assertEquals(l.size(), SIZE); |
769 |
< |
for (int i = 0; i < SIZE; ++i) |
769 |
> |
for (int i = 0; i < SIZE; ++i) |
770 |
> |
assertEquals(l.get(i), new Integer(i)); |
771 |
> |
q.add(zero); |
772 |
> |
q.add(one); |
773 |
> |
assertFalse(q.isEmpty()); |
774 |
> |
assertTrue(q.contains(zero)); |
775 |
> |
assertTrue(q.contains(one)); |
776 |
> |
l.clear(); |
777 |
> |
q.drainTo(l); |
778 |
> |
assertEquals(q.size(), 0); |
779 |
> |
assertEquals(l.size(), 2); |
780 |
> |
for (int i = 0; i < 2; ++i) |
781 |
|
assertEquals(l.get(i), new Integer(i)); |
782 |
|
} |
783 |
|
|
784 |
|
/** |
785 |
|
* drainTo empties queue |
786 |
< |
*/ |
787 |
< |
public void testDrainToWithActivePut() { |
786 |
> |
*/ |
787 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
788 |
|
final PriorityBlockingQueue q = populatedQueue(SIZE); |
789 |
< |
Thread t = new Thread(new Runnable() { |
790 |
< |
public void run() { |
791 |
< |
q.put(new Integer(SIZE+1)); |
792 |
< |
} |
793 |
< |
}); |
794 |
< |
try { |
795 |
< |
t.start(); |
796 |
< |
ArrayList l = new ArrayList(); |
797 |
< |
q.drainTo(l); |
798 |
< |
assertTrue(l.size() >= SIZE); |
799 |
< |
for (int i = 0; i < SIZE; ++i) |
800 |
< |
assertEquals(l.get(i), new Integer(i)); |
801 |
< |
t.join(); |
894 |
< |
assertTrue(q.size() + l.size() == SIZE+1); |
895 |
< |
} catch(Exception e){ |
896 |
< |
unexpectedException(); |
897 |
< |
} |
789 |
> |
Thread t = new Thread(new CheckedRunnable() { |
790 |
> |
public void realRun() { |
791 |
> |
q.put(new Integer(SIZE+1)); |
792 |
> |
}}); |
793 |
> |
|
794 |
> |
t.start(); |
795 |
> |
ArrayList l = new ArrayList(); |
796 |
> |
q.drainTo(l); |
797 |
> |
assertTrue(l.size() >= SIZE); |
798 |
> |
for (int i = 0; i < SIZE; ++i) |
799 |
> |
assertEquals(l.get(i), new Integer(i)); |
800 |
> |
t.join(); |
801 |
> |
assertTrue(q.size() + l.size() >= SIZE); |
802 |
|
} |
803 |
|
|
804 |
|
/** |
805 |
|
* drainTo(null, n) throws NPE |
806 |
< |
*/ |
806 |
> |
*/ |
807 |
|
public void testDrainToNullN() { |
808 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
809 |
|
try { |
810 |
|
q.drainTo(null, 0); |
811 |
|
shouldThrow(); |
812 |
< |
} catch(NullPointerException success) { |
909 |
< |
} |
812 |
> |
} catch (NullPointerException success) {} |
813 |
|
} |
814 |
|
|
815 |
|
/** |
816 |
|
* drainTo(this, n) throws IAE |
817 |
< |
*/ |
817 |
> |
*/ |
818 |
|
public void testDrainToSelfN() { |
819 |
|
PriorityBlockingQueue q = populatedQueue(SIZE); |
820 |
|
try { |
821 |
|
q.drainTo(q, 0); |
822 |
|
shouldThrow(); |
823 |
< |
} catch(IllegalArgumentException success) { |
921 |
< |
} |
823 |
> |
} catch (IllegalArgumentException success) {} |
824 |
|
} |
825 |
|
|
826 |
|
/** |
827 |
|
* drainTo(c, n) empties first max {n, size} elements of queue into c |
828 |
< |
*/ |
828 |
> |
*/ |
829 |
|
public void testDrainToN() { |
830 |
+ |
PriorityBlockingQueue q = new PriorityBlockingQueue(SIZE*2); |
831 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
832 |
< |
PriorityBlockingQueue q = populatedQueue(SIZE); |
832 |
> |
for (int j = 0; j < SIZE; j++) |
833 |
> |
assertTrue(q.offer(new Integer(j))); |
834 |
|
ArrayList l = new ArrayList(); |
835 |
|
q.drainTo(l, i); |
836 |
|
int k = (i < SIZE)? i : SIZE; |
933 |
– |
assertEquals(q.size(), SIZE-k); |
837 |
|
assertEquals(l.size(), k); |
838 |
< |
for (int j = 0; j < k; ++j) |
839 |
< |
assertTrue(l.contains(new Integer(j))); |
838 |
> |
assertEquals(q.size(), SIZE-k); |
839 |
> |
for (int j = 0; j < k; ++j) |
840 |
> |
assertEquals(l.get(j), new Integer(j)); |
841 |
> |
while (q.poll() != null) ; |
842 |
|
} |
843 |
|
} |
844 |
|
|
940 |
– |
|
845 |
|
} |