1 |
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|
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/* |
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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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import java.io.ObjectOutputStream; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
17 |
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import java.util.ConcurrentModificationException; |
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import java.util.Iterator; |
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+ |
import java.util.List; |
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import java.util.NoSuchElementException; |
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import java.util.concurrent.*; |
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+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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@SuppressWarnings({"unchecked", "rawtypes"}) |
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public class LinkedTransferQueueTest extends JSR166TestCase { |
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|
28 |
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public static class Generic extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return new LinkedTransferQueue(); |
31 |
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} |
32 |
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} |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(LinkedTransferQueueTest.class); |
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return newTestSuite(LinkedTransferQueueTest.class, |
40 |
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new Generic().testSuite()); |
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} |
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|
43 |
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void checkEmpty(BlockingQueue q) { |
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try { |
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assertTrue(q.isEmpty()); |
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assertEquals(0, q.size()); |
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assertNull(q.peek()); |
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assertNull(q.poll()); |
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assertNull(q.poll(0, MILLISECONDS)); |
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assertEquals(q.toString(), "[]"); |
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assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
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> |
assertFalse(q.iterator().hasNext()); |
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> |
try { |
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q.element(); |
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shouldThrow(); |
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> |
} catch (NoSuchElementException success) {} |
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> |
try { |
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q.iterator().next(); |
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shouldThrow(); |
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> |
} catch (NoSuchElementException success) {} |
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try { |
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q.remove(); |
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shouldThrow(); |
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} catch (NoSuchElementException success) {} |
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} catch (InterruptedException ie) { |
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threadUnexpectedException(ie); |
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} |
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} |
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|
70 |
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/* |
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*Constructor builds new queue with size being zero and empty being true |
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/** |
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* Constructor builds new queue with size being zero and empty |
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* being true |
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*/ |
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public void testConstructor1() { |
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assertEquals(0, new LinkedTransferQueue().size()); |
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assertTrue(new LinkedTransferQueue().isEmpty()); |
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} |
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|
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/* |
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* Initizialing constructor with null collection throws NPE |
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/** |
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* Initializing constructor with null collection throws |
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* NullPointerException |
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*/ |
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public void testConstructor2() { |
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try { |
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new LinkedTransferQueue(null); |
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shouldThrow(); |
87 |
< |
} catch (NullPointerException success) { |
50 |
< |
} |
87 |
> |
} catch (NullPointerException success) {} |
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} |
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|
90 |
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/** |
91 |
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* Initializing from Collection of null elements throws NPE |
91 |
> |
* Initializing from Collection of null elements throws |
92 |
> |
* NullPointerException |
93 |
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*/ |
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public void testConstructor3() { |
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try { |
96 |
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Integer[] ints = new Integer[SIZE]; |
97 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints)); |
97 |
> |
new LinkedTransferQueue(Arrays.asList(ints)); |
98 |
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shouldThrow(); |
99 |
< |
} catch (NullPointerException success) { |
62 |
< |
} |
99 |
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} catch (NullPointerException success) {} |
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} |
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/* |
101 |
> |
|
102 |
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/** |
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* Initializing constructor with a collection containing some null elements |
104 |
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* throws NPE |
104 |
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* throws NullPointerException |
105 |
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*/ |
68 |
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|
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public void testConstructor4() { |
107 |
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try { |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE - 1; ++i) { |
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ints[i] = new Integer(i); |
110 |
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ints[i] = i; |
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} |
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LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints)); |
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new LinkedTransferQueue(Arrays.asList(ints)); |
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shouldThrow(); |
114 |
< |
} catch (NullPointerException success) { |
78 |
< |
} |
114 |
> |
} catch (NullPointerException success) {} |
115 |
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} |
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|
117 |
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/* |
117 |
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/** |
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* Queue contains all elements of the collection it is initialized by |
119 |
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*/ |
120 |
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public void testConstructor5() { |
121 |
< |
try { |
122 |
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Integer[] ints = new Integer[SIZE]; |
123 |
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for (int i = 0; i < SIZE; ++i) { |
124 |
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ints[i] = new Integer(i); |
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} |
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LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints)); |
127 |
< |
for (int i = 0; i < SIZE; ++i) { |
128 |
< |
assertEquals(ints[i], q.poll()); |
129 |
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} |
130 |
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} finally { |
121 |
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Integer[] ints = new Integer[SIZE]; |
122 |
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for (int i = 0; i < SIZE; ++i) { |
123 |
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ints[i] = i; |
124 |
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} |
125 |
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List intList = Arrays.asList(ints); |
126 |
> |
LinkedTransferQueue q |
127 |
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= new LinkedTransferQueue(intList); |
128 |
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assertEquals(q.size(), intList.size()); |
129 |
> |
assertEquals(q.toString(), intList.toString()); |
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assertTrue(Arrays.equals(q.toArray(), |
131 |
> |
intList.toArray())); |
132 |
> |
assertTrue(Arrays.equals(q.toArray(new Object[0]), |
133 |
> |
intList.toArray(new Object[0]))); |
134 |
> |
assertTrue(Arrays.equals(q.toArray(new Object[SIZE]), |
135 |
> |
intList.toArray(new Object[SIZE]))); |
136 |
> |
for (int i = 0; i < SIZE; ++i) { |
137 |
> |
assertEquals(ints[i], q.poll()); |
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} |
139 |
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} |
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|
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/** |
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* Remaining capacity never decrease nor increase on add or remove |
142 |
> |
* remainingCapacity() always returns Integer.MAX_VALUE |
143 |
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*/ |
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public void testRemainingCapacity() { |
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LinkedTransferQueue q = populatedQueue(SIZE); |
103 |
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int remainingCapacity = q.remainingCapacity(); |
145 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
146 |
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for (int i = 0; i < SIZE; ++i) { |
147 |
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assertEquals(remainingCapacity, q.remainingCapacity()); |
147 |
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assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
148 |
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assertEquals(SIZE - i, q.size()); |
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q.remove(); |
150 |
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} |
151 |
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for (int i = 0; i < SIZE; ++i) { |
152 |
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assertEquals(remainingCapacity, q.remainingCapacity()); |
152 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
153 |
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assertEquals(i, q.size()); |
154 |
< |
q.add(new Integer(i)); |
154 |
> |
q.add(i); |
155 |
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} |
156 |
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} |
157 |
|
|
158 |
|
/** |
159 |
< |
* offer(null) throws NPE |
159 |
> |
* offer(null) throws NullPointerException |
160 |
|
*/ |
161 |
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public void testOfferNull() { |
162 |
|
try { |
163 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
164 |
|
q.offer(null); |
165 |
|
shouldThrow(); |
166 |
< |
} catch (NullPointerException success) { |
125 |
< |
} |
166 |
> |
} catch (NullPointerException success) {} |
167 |
|
} |
168 |
|
|
169 |
|
/** |
170 |
< |
* add(null) throws NPE |
170 |
> |
* add(null) throws NullPointerException |
171 |
|
*/ |
172 |
|
public void testAddNull() { |
173 |
|
try { |
174 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
175 |
|
q.add(null); |
176 |
|
shouldThrow(); |
177 |
< |
} catch (NullPointerException success) { |
137 |
< |
} |
177 |
> |
} catch (NullPointerException success) {} |
178 |
|
} |
179 |
|
|
180 |
|
/** |
181 |
< |
* addAll(null) throws NPE |
181 |
> |
* addAll(null) throws NullPointerException |
182 |
|
*/ |
183 |
|
public void testAddAll1() { |
184 |
|
try { |
185 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
186 |
|
q.addAll(null); |
187 |
|
shouldThrow(); |
188 |
< |
} catch (NullPointerException success) { |
149 |
< |
} |
188 |
> |
} catch (NullPointerException success) {} |
189 |
|
} |
190 |
|
|
191 |
|
/** |
192 |
< |
* addAll(this) throws IAE |
192 |
> |
* addAll(this) throws IllegalArgumentException |
193 |
|
*/ |
194 |
|
public void testAddAllSelf() { |
195 |
|
try { |
196 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
197 |
|
q.addAll(q); |
198 |
|
shouldThrow(); |
199 |
< |
} catch (IllegalArgumentException success) { |
161 |
< |
} |
199 |
> |
} catch (IllegalArgumentException success) {} |
200 |
|
} |
201 |
|
|
202 |
|
/** |
203 |
< |
* addAll of a collection with null elements throws NPE |
203 |
> |
* addAll of a collection with null elements throws NullPointerException |
204 |
|
*/ |
205 |
|
public void testAddAll2() { |
206 |
|
try { |
208 |
|
Integer[] ints = new Integer[SIZE]; |
209 |
|
q.addAll(Arrays.asList(ints)); |
210 |
|
shouldThrow(); |
211 |
< |
} catch (NullPointerException success) { |
174 |
< |
} |
211 |
> |
} catch (NullPointerException success) {} |
212 |
|
} |
213 |
|
|
214 |
|
/** |
215 |
< |
* addAll of a collection with any null elements throws NPE after |
216 |
< |
* possibly adding some elements |
215 |
> |
* addAll of a collection with any null elements throws |
216 |
> |
* NullPointerException after possibly adding some elements |
217 |
|
*/ |
218 |
|
public void testAddAll3() { |
219 |
|
try { |
220 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
221 |
|
Integer[] ints = new Integer[SIZE]; |
222 |
|
for (int i = 0; i < SIZE - 1; ++i) { |
223 |
< |
ints[i] = new Integer(i); |
223 |
> |
ints[i] = i; |
224 |
|
} |
225 |
|
q.addAll(Arrays.asList(ints)); |
226 |
|
shouldThrow(); |
227 |
< |
} catch (NullPointerException success) { |
191 |
< |
} |
227 |
> |
} catch (NullPointerException success) {} |
228 |
|
} |
229 |
|
|
230 |
|
/** |
231 |
|
* Queue contains all elements, in traversal order, of successful addAll |
232 |
|
*/ |
233 |
|
public void testAddAll5() { |
234 |
< |
try { |
235 |
< |
Integer[] empty = new Integer[0]; |
236 |
< |
Integer[] ints = new Integer[SIZE]; |
237 |
< |
for (int i = 0; i < SIZE; ++i) { |
238 |
< |
ints[i] = new Integer(i); |
239 |
< |
} |
240 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
241 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
242 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
243 |
< |
for (int i = 0; i < SIZE; ++i) { |
208 |
< |
assertEquals(ints[i], q.poll()); |
209 |
< |
} |
210 |
< |
} finally { |
234 |
> |
Integer[] empty = new Integer[0]; |
235 |
> |
Integer[] ints = new Integer[SIZE]; |
236 |
> |
for (int i = 0; i < SIZE; ++i) { |
237 |
> |
ints[i] = i; |
238 |
> |
} |
239 |
> |
LinkedTransferQueue q = new LinkedTransferQueue(); |
240 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
241 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
242 |
> |
for (int i = 0; i < SIZE; ++i) { |
243 |
> |
assertEquals(ints[i], q.poll()); |
244 |
|
} |
245 |
|
} |
246 |
|
|
247 |
|
/** |
248 |
< |
* put(null) throws NPE |
248 |
> |
* put(null) throws NullPointerException |
249 |
|
*/ |
250 |
< |
public void testPutNull() { |
250 |
> |
public void testPutNull() throws InterruptedException { |
251 |
|
try { |
252 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
253 |
|
q.put(null); |
254 |
|
shouldThrow(); |
255 |
< |
} catch (NullPointerException success) { |
223 |
< |
} catch (Exception ie) { |
224 |
< |
unexpectedException(); |
225 |
< |
} |
255 |
> |
} catch (NullPointerException success) {} |
256 |
|
} |
257 |
|
|
258 |
|
/** |
259 |
|
* all elements successfully put are contained |
260 |
|
*/ |
261 |
|
public void testPut() { |
262 |
< |
try { |
263 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
264 |
< |
for (int i = 0; i < SIZE; ++i) { |
265 |
< |
Integer I = new Integer(i); |
266 |
< |
q.put(I); |
237 |
< |
assertTrue(q.contains(I)); |
238 |
< |
} |
239 |
< |
} catch (Exception ie) { |
240 |
< |
unexpectedException(); |
262 |
> |
LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
263 |
> |
for (int i = 0; i < SIZE; ++i) { |
264 |
> |
assertEquals(q.size(), i); |
265 |
> |
q.put(i); |
266 |
> |
assertTrue(q.contains(i)); |
267 |
|
} |
268 |
|
} |
269 |
|
|
270 |
|
/** |
271 |
|
* take retrieves elements in FIFO order |
272 |
|
*/ |
273 |
< |
public void testTake() { |
274 |
< |
try { |
275 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
276 |
< |
for (int i = 0; i < SIZE; ++i) { |
251 |
< |
assertEquals(i, ((Integer) q.take()).intValue()); |
252 |
< |
} |
253 |
< |
} catch (InterruptedException e) { |
254 |
< |
unexpectedException(); |
273 |
> |
public void testTake() throws InterruptedException { |
274 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
275 |
> |
for (int i = 0; i < SIZE; ++i) { |
276 |
> |
assertEquals(i, (int) q.take()); |
277 |
|
} |
278 |
|
} |
279 |
|
|
280 |
|
/** |
281 |
< |
* take blocks interruptibly when empty |
281 |
> |
* take removes existing elements until empty, then blocks interruptibly |
282 |
|
*/ |
283 |
< |
public void testTakeFromEmpty() { |
284 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
285 |
< |
Thread t = new Thread(new Runnable() { |
286 |
< |
|
287 |
< |
public void run() { |
288 |
< |
try { |
289 |
< |
q.take(); |
268 |
< |
threadShouldThrow(); |
269 |
< |
} catch (InterruptedException success) { |
283 |
> |
public void testBlockingTake() throws InterruptedException { |
284 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
285 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
286 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
287 |
> |
public void realRun() throws InterruptedException { |
288 |
> |
for (int i = 0; i < SIZE; ++i) { |
289 |
> |
assertEquals(i, (int) q.take()); |
290 |
|
} |
291 |
< |
} |
272 |
< |
}); |
273 |
< |
try { |
274 |
< |
t.start(); |
275 |
< |
Thread.sleep(SHORT_DELAY_MS); |
276 |
< |
t.interrupt(); |
277 |
< |
t.join(); |
278 |
< |
} catch (Exception e) { |
279 |
< |
unexpectedException(); |
280 |
< |
} |
281 |
< |
} |
282 |
< |
/* |
283 |
< |
* Take removes existing elements until empty, then blocks interruptibly |
284 |
< |
*/ |
285 |
< |
|
286 |
< |
public void testBlockingTake() { |
287 |
< |
Thread t = new Thread(new Runnable() { |
288 |
< |
|
289 |
< |
public void run() { |
291 |
> |
aboutToWait.countDown(); |
292 |
|
try { |
291 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
292 |
– |
for (int i = 0; i < SIZE; ++i) { |
293 |
– |
assertEquals(i, ((Integer) q.take()).intValue()); |
294 |
– |
} |
293 |
|
q.take(); |
294 |
< |
threadShouldThrow(); |
295 |
< |
} catch (InterruptedException success) { |
296 |
< |
} |
297 |
< |
} |
298 |
< |
}); |
299 |
< |
t.start(); |
300 |
< |
try { |
301 |
< |
Thread.sleep(SHORT_DELAY_MS); |
302 |
< |
t.interrupt(); |
305 |
< |
t.join(); |
306 |
< |
} catch (InterruptedException ie) { |
307 |
< |
unexpectedException(); |
308 |
< |
} |
294 |
> |
shouldThrow(); |
295 |
> |
} catch (InterruptedException success) {} |
296 |
> |
}}); |
297 |
> |
|
298 |
> |
aboutToWait.await(); |
299 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
300 |
> |
t.interrupt(); |
301 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
302 |
> |
checkEmpty(q); |
303 |
|
} |
304 |
|
|
305 |
|
/** |
306 |
|
* poll succeeds unless empty |
307 |
|
*/ |
308 |
< |
public void testPoll() { |
309 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
308 |
> |
public void testPoll() throws InterruptedException { |
309 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
310 |
|
for (int i = 0; i < SIZE; ++i) { |
311 |
< |
assertEquals(i, ((Integer) q.poll()).intValue()); |
311 |
> |
assertEquals(i, (int) q.poll()); |
312 |
|
} |
313 |
|
assertNull(q.poll()); |
314 |
+ |
checkEmpty(q); |
315 |
|
} |
316 |
|
|
317 |
|
/** |
318 |
< |
* timed pool with zero timeout succeeds when non-empty, else times out |
318 |
> |
* timed poll with zero timeout succeeds when non-empty, else times out |
319 |
|
*/ |
320 |
< |
public void testTimedPoll0() { |
321 |
< |
try { |
322 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
323 |
< |
for (int i = 0; i < SIZE; ++i) { |
329 |
< |
assertEquals(i, ((Integer) q.poll(0, TimeUnit.MILLISECONDS)).intValue()); |
330 |
< |
} |
331 |
< |
assertNull(q.poll(0, TimeUnit.MILLISECONDS)); |
332 |
< |
} catch (InterruptedException e) { |
333 |
< |
unexpectedException(); |
320 |
> |
public void testTimedPoll0() throws InterruptedException { |
321 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
322 |
> |
for (int i = 0; i < SIZE; ++i) { |
323 |
> |
assertEquals(i, (int) q.poll(0, MILLISECONDS)); |
324 |
|
} |
325 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
326 |
+ |
checkEmpty(q); |
327 |
|
} |
328 |
|
|
329 |
|
/** |
330 |
< |
* timed pool with nonzero timeout succeeds when non-empty, else times out |
330 |
> |
* timed poll with nonzero timeout succeeds when non-empty, else times out |
331 |
|
*/ |
332 |
< |
public void testTimedPoll() { |
333 |
< |
try { |
334 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
335 |
< |
for (int i = 0; i < SIZE; ++i) { |
336 |
< |
assertEquals(i, ((Integer) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
337 |
< |
} |
338 |
< |
assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
339 |
< |
} catch (InterruptedException e) { |
340 |
< |
unexpectedException(); |
341 |
< |
} |
332 |
> |
public void testTimedPoll() throws InterruptedException { |
333 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
334 |
> |
for (int i = 0; i < SIZE; ++i) { |
335 |
> |
long t0 = System.nanoTime(); |
336 |
> |
assertEquals(i, (int) q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
337 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
338 |
> |
} |
339 |
> |
long t0 = System.nanoTime(); |
340 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
341 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
342 |
> |
checkEmpty(q); |
343 |
|
} |
344 |
|
|
345 |
|
/** |
346 |
|
* Interrupted timed poll throws InterruptedException instead of |
347 |
|
* returning timeout status |
348 |
|
*/ |
349 |
< |
public void testInterruptedTimedPoll() { |
350 |
< |
Thread t = new Thread(new Runnable() { |
351 |
< |
|
352 |
< |
public void run() { |
349 |
> |
public void testInterruptedTimedPoll() throws InterruptedException { |
350 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
351 |
> |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
352 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
353 |
> |
public void realRun() throws InterruptedException { |
354 |
> |
for (int i = 0; i < SIZE; ++i) { |
355 |
> |
long t0 = System.nanoTime(); |
356 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
357 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
358 |
> |
} |
359 |
> |
long t0 = System.nanoTime(); |
360 |
> |
aboutToWait.countDown(); |
361 |
|
try { |
362 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
363 |
< |
for (int i = 0; i < SIZE; ++i) { |
363 |
< |
threadAssertEquals(i, ((Integer) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue()); |
364 |
< |
} |
365 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
362 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
363 |
> |
shouldThrow(); |
364 |
|
} catch (InterruptedException success) { |
365 |
+ |
assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS); |
366 |
|
} |
367 |
< |
} |
368 |
< |
}); |
369 |
< |
t.start(); |
370 |
< |
try { |
371 |
< |
Thread.sleep(SHORT_DELAY_MS); |
372 |
< |
t.interrupt(); |
373 |
< |
t.join(); |
375 |
< |
} catch (InterruptedException ie) { |
376 |
< |
unexpectedException(); |
377 |
< |
} |
367 |
> |
}}); |
368 |
> |
|
369 |
> |
aboutToWait.await(); |
370 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
371 |
> |
t.interrupt(); |
372 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
373 |
> |
checkEmpty(q); |
374 |
|
} |
375 |
|
|
376 |
|
/** |
377 |
< |
* timed poll before a delayed offer fails; after offer succeeds; |
378 |
< |
* on interruption throws |
379 |
< |
*/ |
380 |
< |
public void testTimedPollWithOffer() { |
381 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
382 |
< |
Thread t = new Thread(new Runnable() { |
383 |
< |
|
384 |
< |
public void run() { |
385 |
< |
try { |
386 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
387 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
388 |
< |
q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
393 |
< |
threadShouldThrow(); |
394 |
< |
} catch (InterruptedException success) { |
377 |
> |
* timed poll after thread interrupted throws InterruptedException |
378 |
> |
* instead of returning timeout status |
379 |
> |
*/ |
380 |
> |
public void testTimedPollAfterInterrupt() throws InterruptedException { |
381 |
> |
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
382 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
383 |
> |
public void realRun() throws InterruptedException { |
384 |
> |
Thread.currentThread().interrupt(); |
385 |
> |
for (int i = 0; i < SIZE; ++i) { |
386 |
> |
long t0 = System.nanoTime(); |
387 |
> |
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
388 |
> |
assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
389 |
|
} |
390 |
< |
} |
391 |
< |
}); |
392 |
< |
try { |
393 |
< |
t.start(); |
394 |
< |
Thread.sleep(SMALL_DELAY_MS); |
395 |
< |
assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
396 |
< |
t.interrupt(); |
397 |
< |
t.join(); |
404 |
< |
} catch (Exception e) { |
405 |
< |
unexpectedException(); |
406 |
< |
} |
390 |
> |
try { |
391 |
> |
q.poll(MEDIUM_DELAY_MS, MILLISECONDS); |
392 |
> |
shouldThrow(); |
393 |
> |
} catch (InterruptedException success) {} |
394 |
> |
}}); |
395 |
> |
|
396 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
397 |
> |
checkEmpty(q); |
398 |
|
} |
399 |
|
|
400 |
|
/** |
401 |
|
* peek returns next element, or null if empty |
402 |
|
*/ |
403 |
< |
public void testPeek() { |
404 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
403 |
> |
public void testPeek() throws InterruptedException { |
404 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
405 |
|
for (int i = 0; i < SIZE; ++i) { |
406 |
< |
assertEquals(i, ((Integer) q.peek()).intValue()); |
407 |
< |
q.poll(); |
406 |
> |
assertEquals(i, (int) q.peek()); |
407 |
> |
assertEquals(i, (int) q.poll()); |
408 |
|
assertTrue(q.peek() == null || |
409 |
< |
i != ((Integer) q.peek()).intValue()); |
409 |
> |
i != (int) q.peek()); |
410 |
|
} |
411 |
|
assertNull(q.peek()); |
412 |
+ |
checkEmpty(q); |
413 |
|
} |
414 |
|
|
415 |
|
/** |
416 |
< |
* element returns next element, or throws NSEE if empty |
416 |
> |
* element returns next element, or throws NoSuchElementException if empty |
417 |
|
*/ |
418 |
< |
public void testElement() { |
419 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
418 |
> |
public void testElement() throws InterruptedException { |
419 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
420 |
|
for (int i = 0; i < SIZE; ++i) { |
421 |
< |
assertEquals(i, ((Integer) q.element()).intValue()); |
422 |
< |
q.poll(); |
421 |
> |
assertEquals(i, (int) q.element()); |
422 |
> |
assertEquals(i, (int) q.poll()); |
423 |
|
} |
424 |
|
try { |
425 |
|
q.element(); |
426 |
|
shouldThrow(); |
427 |
< |
} catch (NoSuchElementException success) { |
428 |
< |
} |
427 |
> |
} catch (NoSuchElementException success) {} |
428 |
> |
checkEmpty(q); |
429 |
|
} |
430 |
|
|
431 |
|
/** |
432 |
< |
* remove removes next element, or throws NSEE if empty |
432 |
> |
* remove removes next element, or throws NoSuchElementException if empty |
433 |
|
*/ |
434 |
< |
public void testRemove() { |
435 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
434 |
> |
public void testRemove() throws InterruptedException { |
435 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
436 |
|
for (int i = 0; i < SIZE; ++i) { |
437 |
< |
assertEquals(i, ((Integer) q.remove()).intValue()); |
437 |
> |
assertEquals(i, (int) q.remove()); |
438 |
|
} |
439 |
|
try { |
440 |
|
q.remove(); |
441 |
|
shouldThrow(); |
442 |
< |
} catch (NoSuchElementException success) { |
443 |
< |
} |
442 |
> |
} catch (NoSuchElementException success) {} |
443 |
> |
checkEmpty(q); |
444 |
|
} |
445 |
|
|
446 |
|
/** |
447 |
|
* remove(x) removes x and returns true if present |
448 |
|
*/ |
449 |
< |
public void testRemoveElement() { |
449 |
> |
public void testRemoveElement() throws InterruptedException { |
450 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
451 |
|
for (int i = 1; i < SIZE; i += 2) { |
452 |
< |
assertTrue(q.remove(new Integer(i))); |
452 |
> |
assertTrue(q.remove(i)); |
453 |
|
} |
454 |
|
for (int i = 0; i < SIZE; i += 2) { |
455 |
< |
assertTrue(q.remove(new Integer(i))); |
456 |
< |
assertFalse(q.remove(new Integer(i + 1))); |
455 |
> |
assertTrue(q.remove(i)); |
456 |
> |
assertFalse(q.remove(i + 1)); |
457 |
|
} |
458 |
< |
assertTrue(q.isEmpty()); |
458 |
> |
checkEmpty(q); |
459 |
|
} |
460 |
|
|
461 |
|
/** |
462 |
|
* An add following remove(x) succeeds |
463 |
|
*/ |
464 |
< |
public void testRemoveElementAndAdd() { |
465 |
< |
try { |
466 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
467 |
< |
assertTrue(q.add(new Integer(1))); |
468 |
< |
assertTrue(q.add(new Integer(2))); |
469 |
< |
assertTrue(q.remove(new Integer(1))); |
470 |
< |
assertTrue(q.remove(new Integer(2))); |
471 |
< |
assertTrue(q.add(new Integer(3))); |
480 |
< |
assertTrue(q.take() != null); |
481 |
< |
} catch (Exception e) { |
482 |
< |
unexpectedException(); |
483 |
< |
} |
464 |
> |
public void testRemoveElementAndAdd() throws InterruptedException { |
465 |
> |
LinkedTransferQueue q = new LinkedTransferQueue(); |
466 |
> |
assertTrue(q.add(one)); |
467 |
> |
assertTrue(q.add(two)); |
468 |
> |
assertTrue(q.remove(one)); |
469 |
> |
assertTrue(q.remove(two)); |
470 |
> |
assertTrue(q.add(three)); |
471 |
> |
assertSame(q.take(), three); |
472 |
|
} |
473 |
|
|
474 |
|
/** |
475 |
|
* contains(x) reports true when elements added but not yet removed |
476 |
|
*/ |
477 |
|
public void testContains() { |
478 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
478 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
479 |
|
for (int i = 0; i < SIZE; ++i) { |
480 |
< |
assertTrue(q.contains(new Integer(i))); |
481 |
< |
q.poll(); |
482 |
< |
assertFalse(q.contains(new Integer(i))); |
480 |
> |
assertTrue(q.contains(i)); |
481 |
> |
assertEquals(i, (int) q.poll()); |
482 |
> |
assertFalse(q.contains(i)); |
483 |
|
} |
484 |
|
} |
485 |
|
|
486 |
|
/** |
487 |
|
* clear removes all elements |
488 |
|
*/ |
489 |
< |
public void testClear() { |
489 |
> |
public void testClear() throws InterruptedException { |
490 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
503 |
– |
int remainingCapacity = q.remainingCapacity(); |
491 |
|
q.clear(); |
492 |
< |
assertTrue(q.isEmpty()); |
493 |
< |
assertEquals(0, q.size()); |
507 |
< |
assertEquals(remainingCapacity, q.remainingCapacity()); |
492 |
> |
checkEmpty(q); |
493 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
494 |
|
q.add(one); |
495 |
|
assertFalse(q.isEmpty()); |
496 |
+ |
assertEquals(1, q.size()); |
497 |
|
assertTrue(q.contains(one)); |
498 |
|
q.clear(); |
499 |
< |
assertTrue(q.isEmpty()); |
499 |
> |
checkEmpty(q); |
500 |
|
} |
501 |
|
|
502 |
|
/** |
503 |
|
* containsAll(c) is true when c contains a subset of elements |
504 |
|
*/ |
505 |
|
public void testContainsAll() { |
506 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
507 |
< |
LinkedTransferQueue p = new LinkedTransferQueue(); |
506 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
507 |
> |
LinkedTransferQueue<Integer> p = new LinkedTransferQueue<Integer>(); |
508 |
|
for (int i = 0; i < SIZE; ++i) { |
509 |
|
assertTrue(q.containsAll(p)); |
510 |
|
assertFalse(p.containsAll(q)); |
511 |
< |
p.add(new Integer(i)); |
511 |
> |
p.add(i); |
512 |
|
} |
513 |
|
assertTrue(p.containsAll(q)); |
514 |
|
} |
515 |
|
|
516 |
|
/** |
517 |
< |
* retainAll(c) retains only those elements of c and reports true if changed |
517 |
> |
* retainAll(c) retains only those elements of c and reports true |
518 |
> |
* if changed |
519 |
|
*/ |
520 |
|
public void testRetainAll() { |
521 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
534 |
|
} |
535 |
|
|
536 |
|
/** |
537 |
< |
* removeAll(c) removes only those elements of c and reports true if changed |
537 |
> |
* removeAll(c) removes only those elements of c and reports true |
538 |
> |
* if changed |
539 |
|
*/ |
540 |
|
public void testRemoveAll() { |
541 |
|
for (int i = 1; i < SIZE; ++i) { |
544 |
|
assertTrue(q.removeAll(p)); |
545 |
|
assertEquals(SIZE - i, q.size()); |
546 |
|
for (int j = 0; j < i; ++j) { |
547 |
< |
Integer I = (Integer) (p.remove()); |
559 |
< |
assertFalse(q.contains(I)); |
547 |
> |
assertFalse(q.contains(p.remove())); |
548 |
|
} |
549 |
|
} |
550 |
|
} |
551 |
|
|
552 |
|
/** |
553 |
< |
* toArray contains all elements |
553 |
> |
* toArray() contains all elements |
554 |
|
*/ |
555 |
< |
public void testToArray() { |
555 |
> |
public void testToArray() throws InterruptedException { |
556 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
557 |
|
Object[] o = q.toArray(); |
558 |
< |
try { |
559 |
< |
for (int i = 0; i < o.length; i++) { |
572 |
< |
assertEquals(o[i], q.take()); |
573 |
< |
} |
574 |
< |
} catch (InterruptedException e) { |
575 |
< |
unexpectedException(); |
558 |
> |
for (int i = 0; i < o.length; i++) { |
559 |
> |
assertEquals(o[i], q.take()); |
560 |
|
} |
561 |
|
} |
562 |
|
|
563 |
|
/** |
564 |
|
* toArray(a) contains all elements |
565 |
|
*/ |
566 |
< |
public void testToArray2() { |
567 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
566 |
> |
public void testToArray2() throws InterruptedException { |
567 |
> |
LinkedTransferQueue<Integer> q = populatedQueue(SIZE); |
568 |
|
Integer[] ints = new Integer[SIZE]; |
569 |
< |
ints = (Integer[]) q.toArray(ints); |
570 |
< |
try { |
571 |
< |
for (int i = 0; i < ints.length; i++) { |
588 |
< |
assertEquals(ints[i], q.take()); |
589 |
< |
} |
590 |
< |
} catch (InterruptedException e) { |
591 |
< |
unexpectedException(); |
569 |
> |
ints = q.toArray(ints); |
570 |
> |
for (int i = 0; i < ints.length; i++) { |
571 |
> |
assertEquals(ints[i], q.take()); |
572 |
|
} |
573 |
|
} |
574 |
|
|
575 |
|
/** |
576 |
< |
* toArray(null) throws NPE |
576 |
> |
* toArray(null) throws NullPointerException |
577 |
|
*/ |
578 |
|
public void testToArray_BadArg() { |
579 |
+ |
LinkedTransferQueue q = populatedQueue(SIZE); |
580 |
|
try { |
600 |
– |
LinkedTransferQueue q = populatedQueue(SIZE); |
581 |
|
Object o[] = q.toArray(null); |
582 |
|
shouldThrow(); |
583 |
< |
} catch (NullPointerException success) { |
604 |
< |
} |
583 |
> |
} catch (NullPointerException success) {} |
584 |
|
} |
585 |
|
|
586 |
|
/** |
587 |
< |
* toArray with incompatible array type throws CCE |
587 |
> |
* toArray(incompatible array type) throws ArrayStoreException |
588 |
|
*/ |
589 |
|
public void testToArray1_BadArg() { |
590 |
+ |
LinkedTransferQueue q = populatedQueue(SIZE); |
591 |
|
try { |
592 |
< |
LinkedTransferQueue q = populatedQueue(SIZE); |
613 |
< |
Object o[] = q.toArray(new String[10]); |
592 |
> |
q.toArray(new String[10]); |
593 |
|
shouldThrow(); |
594 |
< |
} catch (ArrayStoreException success) { |
616 |
< |
} |
594 |
> |
} catch (ArrayStoreException success) {} |
595 |
|
} |
596 |
|
|
597 |
|
/** |
598 |
|
* iterator iterates through all elements |
599 |
|
*/ |
600 |
< |
public void testIterator() { |
600 |
> |
public void testIterator() throws InterruptedException { |
601 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
602 |
|
Iterator it = q.iterator(); |
603 |
< |
try { |
604 |
< |
while (it.hasNext()) { |
605 |
< |
assertEquals(it.next(), q.take()); |
628 |
< |
} |
629 |
< |
} catch (InterruptedException e) { |
630 |
< |
unexpectedException(); |
603 |
> |
int i = 0; |
604 |
> |
while (it.hasNext()) { |
605 |
> |
assertEquals(it.next(), i++); |
606 |
|
} |
607 |
+ |
assertEquals(i, SIZE); |
608 |
|
} |
609 |
|
|
610 |
|
/** |
611 |
< |
* iterator.remove removes current element |
611 |
> |
* iterator.remove() removes current element |
612 |
|
*/ |
613 |
|
public void testIteratorRemove() { |
614 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
621 |
|
it.remove(); |
622 |
|
|
623 |
|
it = q.iterator(); |
624 |
< |
assertEquals(it.next(), one); |
625 |
< |
assertEquals(it.next(), three); |
624 |
> |
assertSame(it.next(), one); |
625 |
> |
assertSame(it.next(), three); |
626 |
|
assertFalse(it.hasNext()); |
627 |
|
} |
628 |
|
|
630 |
|
* iterator ordering is FIFO |
631 |
|
*/ |
632 |
|
public void testIteratorOrdering() { |
633 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
634 |
< |
int remainingCapacity = q.remainingCapacity(); |
633 |
> |
final LinkedTransferQueue<Integer> q |
634 |
> |
= new LinkedTransferQueue<Integer>(); |
635 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
636 |
|
q.add(one); |
637 |
|
q.add(two); |
638 |
|
q.add(three); |
639 |
< |
assertEquals(remainingCapacity, q.remainingCapacity()); |
639 |
> |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
640 |
|
int k = 0; |
641 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
642 |
< |
int i = ((Integer) (it.next())).intValue(); |
666 |
< |
assertEquals(++k, i); |
641 |
> |
for (Integer n : q) { |
642 |
> |
assertEquals(++k, (int) n); |
643 |
|
} |
644 |
|
assertEquals(3, k); |
645 |
|
} |
652 |
|
q.add(one); |
653 |
|
q.add(two); |
654 |
|
q.add(three); |
655 |
< |
try { |
656 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
657 |
< |
q.remove(); |
682 |
< |
it.next(); |
683 |
< |
} |
684 |
< |
} catch (ConcurrentModificationException e) { |
685 |
< |
unexpectedException(); |
655 |
> |
for (Iterator it = q.iterator(); it.hasNext();) { |
656 |
> |
q.remove(); |
657 |
> |
it.next(); |
658 |
|
} |
659 |
|
assertEquals(0, q.size()); |
660 |
|
} |
675 |
|
*/ |
676 |
|
public void testOfferInExecutor() { |
677 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
678 |
< |
q.add(one); |
707 |
< |
q.add(two); |
678 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
679 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
709 |
– |
executor.execute(new Runnable() { |
680 |
|
|
681 |
< |
public void run() { |
682 |
< |
try { |
683 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
684 |
< |
} catch (Exception e) { |
685 |
< |
threadUnexpectedException(); |
686 |
< |
} |
687 |
< |
} |
688 |
< |
}); |
689 |
< |
|
690 |
< |
executor.execute(new Runnable() { |
691 |
< |
|
692 |
< |
public void run() { |
693 |
< |
try { |
694 |
< |
Thread.sleep(SMALL_DELAY_MS); |
725 |
< |
threadAssertEquals(one, q.take()); |
726 |
< |
} catch (InterruptedException e) { |
727 |
< |
threadUnexpectedException(); |
728 |
< |
} |
729 |
< |
} |
730 |
< |
}); |
681 |
> |
executor.execute(new CheckedRunnable() { |
682 |
> |
public void realRun() throws InterruptedException { |
683 |
> |
threadsStarted.countDown(); |
684 |
> |
threadsStarted.await(); |
685 |
> |
assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS)); |
686 |
> |
}}); |
687 |
> |
|
688 |
> |
executor.execute(new CheckedRunnable() { |
689 |
> |
public void realRun() throws InterruptedException { |
690 |
> |
threadsStarted.countDown(); |
691 |
> |
threadsStarted.await(); |
692 |
> |
assertSame(one, q.take()); |
693 |
> |
checkEmpty(q); |
694 |
> |
}}); |
695 |
|
|
696 |
|
joinPool(executor); |
697 |
|
} |
698 |
|
|
699 |
|
/** |
700 |
< |
* poll retrieves elements across Executor threads |
700 |
> |
* timed poll retrieves elements across Executor threads |
701 |
|
*/ |
702 |
|
public void testPollInExecutor() { |
703 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
704 |
+ |
final CountDownLatch threadsStarted = new CountDownLatch(2); |
705 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
741 |
– |
executor.execute(new Runnable() { |
742 |
– |
|
743 |
– |
public void run() { |
744 |
– |
threadAssertNull(q.poll()); |
745 |
– |
try { |
746 |
– |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS)); |
747 |
– |
threadAssertTrue(q.isEmpty()); |
748 |
– |
} catch (InterruptedException e) { |
749 |
– |
threadUnexpectedException(); |
750 |
– |
} |
751 |
– |
} |
752 |
– |
}); |
706 |
|
|
707 |
< |
executor.execute(new Runnable() { |
708 |
< |
|
709 |
< |
public void run() { |
710 |
< |
try { |
711 |
< |
Thread.sleep(SMALL_DELAY_MS); |
712 |
< |
q.put(one); |
713 |
< |
} catch (InterruptedException e) { |
714 |
< |
threadUnexpectedException(); |
715 |
< |
} |
716 |
< |
} |
717 |
< |
}); |
707 |
> |
executor.execute(new CheckedRunnable() { |
708 |
> |
public void realRun() throws InterruptedException { |
709 |
> |
assertNull(q.poll()); |
710 |
> |
threadsStarted.countDown(); |
711 |
> |
threadsStarted.await(); |
712 |
> |
assertSame(one, q.poll(SMALL_DELAY_MS, MILLISECONDS)); |
713 |
> |
checkEmpty(q); |
714 |
> |
}}); |
715 |
> |
|
716 |
> |
executor.execute(new CheckedRunnable() { |
717 |
> |
public void realRun() throws InterruptedException { |
718 |
> |
threadsStarted.countDown(); |
719 |
> |
threadsStarted.await(); |
720 |
> |
q.put(one); |
721 |
> |
}}); |
722 |
|
|
723 |
|
joinPool(executor); |
724 |
|
} |
726 |
|
/** |
727 |
|
* A deserialized serialized queue has same elements in same order |
728 |
|
*/ |
729 |
< |
public void testSerialization() { |
729 |
> |
public void testSerialization() throws Exception { |
730 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
731 |
|
|
732 |
< |
try { |
733 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
734 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
735 |
< |
out.writeObject(q); |
736 |
< |
out.close(); |
737 |
< |
|
738 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
739 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
740 |
< |
LinkedTransferQueue r = (LinkedTransferQueue) in.readObject(); |
741 |
< |
|
742 |
< |
assertEquals(q.size(), r.size()); |
743 |
< |
while (!q.isEmpty()) { |
744 |
< |
assertEquals(q.remove(), r.remove()); |
745 |
< |
} |
746 |
< |
} catch (Exception e) { |
747 |
< |
unexpectedException(); |
732 |
> |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
733 |
> |
ObjectOutputStream out |
734 |
> |
= new ObjectOutputStream(new BufferedOutputStream(bout)); |
735 |
> |
out.writeObject(q); |
736 |
> |
out.close(); |
737 |
> |
|
738 |
> |
ByteArrayInputStream bin |
739 |
> |
= new ByteArrayInputStream(bout.toByteArray()); |
740 |
> |
ObjectInputStream in |
741 |
> |
= new ObjectInputStream(new BufferedInputStream(bin)); |
742 |
> |
LinkedTransferQueue r = (LinkedTransferQueue) in.readObject(); |
743 |
> |
|
744 |
> |
assertEquals(q.size(), r.size()); |
745 |
> |
assertEquals(q.toString(), r.toString()); |
746 |
> |
assertTrue(Arrays.equals(q.toArray(), r.toArray())); |
747 |
> |
while (!q.isEmpty()) { |
748 |
> |
assertEquals(q.remove(), r.remove()); |
749 |
|
} |
750 |
|
} |
751 |
|
|
752 |
|
/** |
753 |
< |
* drainTo(null) throws NPE |
753 |
> |
* drainTo(null) throws NullPointerException |
754 |
|
*/ |
755 |
|
public void testDrainToNull() { |
756 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
757 |
|
try { |
758 |
|
q.drainTo(null); |
759 |
|
shouldThrow(); |
760 |
< |
} catch (NullPointerException success) { |
803 |
< |
} |
760 |
> |
} catch (NullPointerException success) {} |
761 |
|
} |
762 |
|
|
763 |
|
/** |
764 |
< |
* drainTo(this) throws IAE |
764 |
> |
* drainTo(this) throws IllegalArgumentException |
765 |
|
*/ |
766 |
|
public void testDrainToSelf() { |
767 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
768 |
|
try { |
769 |
|
q.drainTo(q); |
770 |
|
shouldThrow(); |
771 |
< |
} catch (IllegalArgumentException success) { |
815 |
< |
} |
771 |
> |
} catch (IllegalArgumentException success) {} |
772 |
|
} |
773 |
|
|
774 |
|
/** |
781 |
|
assertEquals(q.size(), 0); |
782 |
|
assertEquals(l.size(), SIZE); |
783 |
|
for (int i = 0; i < SIZE; ++i) { |
784 |
< |
assertEquals(l.get(i), new Integer(i)); |
784 |
> |
assertEquals(l.get(i), i); |
785 |
|
} |
786 |
|
q.add(zero); |
787 |
|
q.add(one); |
793 |
|
assertEquals(q.size(), 0); |
794 |
|
assertEquals(l.size(), 2); |
795 |
|
for (int i = 0; i < 2; ++i) { |
796 |
< |
assertEquals(l.get(i), new Integer(i)); |
796 |
> |
assertEquals(l.get(i), i); |
797 |
|
} |
798 |
|
} |
799 |
|
|
800 |
|
/** |
801 |
< |
* drainTo empties full queue, unblocking a waiting put. |
801 |
> |
* drainTo(c) empties full queue, unblocking a waiting put. |
802 |
|
*/ |
803 |
< |
public void testDrainToWithActivePut() { |
803 |
> |
public void testDrainToWithActivePut() throws InterruptedException { |
804 |
|
final LinkedTransferQueue q = populatedQueue(SIZE); |
805 |
< |
Thread t = new Thread(new Runnable() { |
806 |
< |
|
807 |
< |
public void run() { |
808 |
< |
try { |
809 |
< |
q.put(new Integer(SIZE + 1)); |
810 |
< |
} catch (Exception ie) { |
811 |
< |
threadUnexpectedException(); |
812 |
< |
} |
813 |
< |
} |
858 |
< |
}); |
859 |
< |
try { |
860 |
< |
t.start(); |
861 |
< |
ArrayList l = new ArrayList(); |
862 |
< |
q.drainTo(l); |
863 |
< |
assertTrue(l.size() >= SIZE); |
864 |
< |
for (int i = 0; i < SIZE; ++i) { |
865 |
< |
assertEquals(l.get(i), new Integer(i)); |
866 |
< |
} |
867 |
< |
t.join(); |
868 |
< |
assertTrue(q.size() + l.size() >= SIZE); |
869 |
< |
} catch (Exception e) { |
870 |
< |
unexpectedException(); |
805 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
806 |
> |
public void realRun() { |
807 |
> |
q.put(SIZE + 1); |
808 |
> |
}}); |
809 |
> |
ArrayList l = new ArrayList(); |
810 |
> |
q.drainTo(l); |
811 |
> |
assertTrue(l.size() >= SIZE); |
812 |
> |
for (int i = 0; i < SIZE; ++i) { |
813 |
> |
assertEquals(l.get(i), i); |
814 |
|
} |
815 |
+ |
awaitTermination(t, MEDIUM_DELAY_MS); |
816 |
+ |
assertTrue(q.size() + l.size() >= SIZE); |
817 |
|
} |
818 |
|
|
819 |
|
/** |
820 |
< |
* drainTo(null, n) throws NPE |
820 |
> |
* drainTo(null, n) throws NullPointerException |
821 |
|
*/ |
822 |
|
public void testDrainToNullN() { |
823 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
824 |
|
try { |
825 |
< |
q.drainTo(null, 0); |
825 |
> |
q.drainTo(null, SIZE); |
826 |
|
shouldThrow(); |
827 |
< |
} catch (NullPointerException success) { |
883 |
< |
} |
827 |
> |
} catch (NullPointerException success) {} |
828 |
|
} |
829 |
|
|
830 |
|
/** |
831 |
< |
* drainTo(this, n) throws IAE |
831 |
> |
* drainTo(this, n) throws IllegalArgumentException |
832 |
|
*/ |
833 |
|
public void testDrainToSelfN() { |
834 |
|
LinkedTransferQueue q = populatedQueue(SIZE); |
835 |
|
try { |
836 |
< |
q.drainTo(q, 0); |
836 |
> |
q.drainTo(q, SIZE); |
837 |
|
shouldThrow(); |
838 |
< |
} catch (IllegalArgumentException success) { |
895 |
< |
} |
838 |
> |
} catch (IllegalArgumentException success) {} |
839 |
|
} |
840 |
|
|
841 |
|
/** |
842 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
842 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
843 |
|
*/ |
844 |
|
public void testDrainToN() { |
845 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
846 |
|
for (int i = 0; i < SIZE + 2; ++i) { |
847 |
|
for (int j = 0; j < SIZE; j++) { |
848 |
< |
assertTrue(q.offer(new Integer(j))); |
848 |
> |
assertTrue(q.offer(j)); |
849 |
|
} |
850 |
|
ArrayList l = new ArrayList(); |
851 |
|
q.drainTo(l, i); |
853 |
|
assertEquals(l.size(), k); |
854 |
|
assertEquals(q.size(), SIZE - k); |
855 |
|
for (int j = 0; j < k; ++j) { |
856 |
< |
assertEquals(l.get(j), new Integer(j)); |
856 |
> |
assertEquals(l.get(j), j); |
857 |
|
} |
858 |
< |
while (q.poll() != null); |
858 |
> |
while (q.poll() != null) |
859 |
> |
; |
860 |
|
} |
861 |
|
} |
862 |
|
|
863 |
< |
/* |
864 |
< |
* poll and take should decrement the waiting consumer count |
863 |
> |
/** |
864 |
> |
* timed poll() or take() increments the waiting consumer count; |
865 |
> |
* offer(e) decrements the waiting consumer count |
866 |
|
*/ |
867 |
< |
public void testWaitingConsumer() { |
868 |
< |
try { |
869 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
870 |
< |
final ConsumerObserver waiting = new ConsumerObserver(); |
871 |
< |
new Thread(new Runnable() { |
867 |
> |
public void testWaitingConsumer() throws InterruptedException { |
868 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
869 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
870 |
> |
assertFalse(q.hasWaitingConsumer()); |
871 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
872 |
|
|
873 |
< |
public void run() { |
874 |
< |
try { |
875 |
< |
threadAssertTrue(q.hasWaitingConsumer()); |
876 |
< |
waiting.setWaitingConsumer(q.getWaitingConsumerCount()); |
877 |
< |
threadAssertTrue(q.offer(new Object())); |
878 |
< |
} catch (Exception ex) { |
879 |
< |
threadUnexpectedException(); |
935 |
< |
} |
873 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
874 |
> |
public void realRun() throws InterruptedException { |
875 |
> |
threadStarted.countDown(); |
876 |
> |
assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
877 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
878 |
> |
assertFalse(q.hasWaitingConsumer()); |
879 |
> |
}}); |
880 |
|
|
881 |
< |
} |
882 |
< |
}).start(); |
883 |
< |
assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null); |
884 |
< |
assertTrue(q.getWaitingConsumerCount() < waiting.getWaitingConsumers()); |
885 |
< |
} catch (Exception ex) { |
886 |
< |
this.unexpectedException(); |
887 |
< |
} |
881 |
> |
threadStarted.await(); |
882 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
883 |
> |
assertEquals(q.getWaitingConsumerCount(), 1); |
884 |
> |
assertTrue(q.hasWaitingConsumer()); |
885 |
> |
|
886 |
> |
assertTrue(q.offer(one)); |
887 |
> |
assertEquals(q.getWaitingConsumerCount(), 0); |
888 |
> |
assertFalse(q.hasWaitingConsumer()); |
889 |
> |
|
890 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
891 |
|
} |
945 |
– |
/* |
946 |
– |
* Inserts null into transfer throws NPE |
947 |
– |
*/ |
892 |
|
|
893 |
< |
public void testTransfer1() { |
893 |
> |
/** |
894 |
> |
* transfer(null) throws NullPointerException |
895 |
> |
*/ |
896 |
> |
public void testTransfer1() throws InterruptedException { |
897 |
|
try { |
898 |
|
LinkedTransferQueue q = new LinkedTransferQueue(); |
899 |
|
q.transfer(null); |
900 |
|
shouldThrow(); |
901 |
< |
} catch (NullPointerException ex) { |
955 |
< |
} catch (Exception ex) { |
956 |
< |
this.unexpectedException(); |
957 |
< |
} |
901 |
> |
} catch (NullPointerException success) {} |
902 |
|
} |
903 |
|
|
904 |
< |
/* |
905 |
< |
* transfer attempts to insert into the queue then wait until that |
906 |
< |
* object is removed via take or poll. |
904 |
> |
/** |
905 |
> |
* transfer waits until a poll occurs. The transfered element |
906 |
> |
* is returned by this associated poll. |
907 |
|
*/ |
908 |
< |
public void testTransfer2() { |
909 |
< |
final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
910 |
< |
new Thread(new Runnable() { |
908 |
> |
public void testTransfer2() throws InterruptedException { |
909 |
> |
final LinkedTransferQueue<Integer> q |
910 |
> |
= new LinkedTransferQueue<Integer>(); |
911 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
912 |
|
|
913 |
< |
public void run() { |
914 |
< |
try { |
915 |
< |
q.transfer(new Integer(SIZE)); |
916 |
< |
threadAssertTrue(q.isEmpty()); |
917 |
< |
} catch (Exception ex) { |
918 |
< |
threadUnexpectedException(); |
974 |
< |
} |
975 |
< |
} |
976 |
< |
}).start(); |
913 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
914 |
> |
public void realRun() throws InterruptedException { |
915 |
> |
threadStarted.countDown(); |
916 |
> |
q.transfer(five); |
917 |
> |
checkEmpty(q); |
918 |
> |
}}); |
919 |
|
|
920 |
< |
try { |
921 |
< |
Thread.sleep(SHORT_DELAY_MS); |
922 |
< |
assertEquals(1, q.size()); |
923 |
< |
q.poll(); |
924 |
< |
assertTrue(q.isEmpty()); |
925 |
< |
} catch (Exception ex) { |
984 |
< |
this.unexpectedException(); |
985 |
< |
} |
920 |
> |
threadStarted.await(); |
921 |
> |
waitForThreadToEnterWaitState(t, SMALL_DELAY_MS); |
922 |
> |
assertEquals(1, q.size()); |
923 |
> |
assertSame(five, q.poll()); |
924 |
> |
checkEmpty(q); |
925 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
926 |
|
} |
927 |
< |
/* |
928 |
< |
* transfer will attempt to transfer in fifo order and continue waiting if |
929 |
< |
* the element being transfered is not polled or taken |
930 |
< |
*/ |
931 |
< |
|
932 |
< |
public void testTransfer3() { |
933 |
< |
final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
934 |
< |
new Thread(new Runnable() { |
935 |
< |
public void run() { |
936 |
< |
try { |
937 |
< |
Integer i; |
938 |
< |
q.transfer((i = new Integer(SIZE + 1))); |
939 |
< |
threadAssertTrue(!q.contains(i)); |
940 |
< |
threadAssertEquals(1, q.size()); |
941 |
< |
} catch (Exception ex) { |
942 |
< |
threadUnexpectedException(); |
943 |
< |
} |
944 |
< |
} |
945 |
< |
}).start(); |
946 |
< |
Thread interruptedThread = |
947 |
< |
new Thread(new Runnable() { |
948 |
< |
public void run() { |
949 |
< |
try { |
950 |
< |
q.transfer(new Integer(SIZE)); |
951 |
< |
threadShouldThrow(); |
952 |
< |
} catch (InterruptedException ex) { |
953 |
< |
} |
954 |
< |
} |
955 |
< |
}); |
956 |
< |
interruptedThread.start(); |
957 |
< |
try { |
958 |
< |
Thread.sleep(LONG_DELAY_MS); |
1019 |
< |
assertEquals(2, q.size()); |
1020 |
< |
q.poll(); |
1021 |
< |
Thread.sleep(LONG_DELAY_MS); |
1022 |
< |
interruptedThread.interrupt(); |
1023 |
< |
assertEquals(1, q.size()); |
1024 |
< |
} catch (Exception ex) { |
1025 |
< |
this.unexpectedException(); |
1026 |
< |
} |
927 |
> |
|
928 |
> |
/** |
929 |
> |
* transfer waits until a poll occurs, and then transfers in fifo order |
930 |
> |
*/ |
931 |
> |
public void testTransfer3() throws InterruptedException { |
932 |
> |
final LinkedTransferQueue<Integer> q |
933 |
> |
= new LinkedTransferQueue<Integer>(); |
934 |
> |
|
935 |
> |
Thread first = newStartedThread(new CheckedRunnable() { |
936 |
> |
public void realRun() throws InterruptedException { |
937 |
> |
q.transfer(four); |
938 |
> |
assertTrue(!q.contains(four)); |
939 |
> |
assertEquals(1, q.size()); |
940 |
> |
}}); |
941 |
> |
|
942 |
> |
Thread interruptedThread = newStartedThread( |
943 |
> |
new CheckedInterruptedRunnable() { |
944 |
> |
public void realRun() throws InterruptedException { |
945 |
> |
while (q.isEmpty()) |
946 |
> |
Thread.yield(); |
947 |
> |
q.transfer(five); |
948 |
> |
}}); |
949 |
> |
|
950 |
> |
while (q.size() < 2) |
951 |
> |
Thread.yield(); |
952 |
> |
assertEquals(2, q.size()); |
953 |
> |
assertSame(four, q.poll()); |
954 |
> |
first.join(); |
955 |
> |
assertEquals(1, q.size()); |
956 |
> |
interruptedThread.interrupt(); |
957 |
> |
interruptedThread.join(); |
958 |
> |
checkEmpty(q); |
959 |
|
} |
960 |
|
|
961 |
|
/** |
962 |
< |
* transfer will wait as long as a poll or take occurs if one does occur |
963 |
< |
* the waiting is finished and the thread that tries to poll/take |
1032 |
< |
* wins in retrieving the element |
962 |
> |
* transfer waits until a poll occurs, at which point the polling |
963 |
> |
* thread returns the element |
964 |
|
*/ |
965 |
< |
public void testTransfer4() { |
965 |
> |
public void testTransfer4() throws InterruptedException { |
966 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1036 |
– |
new Thread(new Runnable() { |
967 |
|
|
968 |
< |
public void run() { |
969 |
< |
try { |
970 |
< |
q.transfer(new Integer(four)); |
971 |
< |
threadAssertFalse(q.contains(new Integer(four))); |
972 |
< |
threadAssertEquals(new Integer(three), q.poll()); |
973 |
< |
} catch (Exception ex) { |
974 |
< |
threadUnexpectedException(); |
975 |
< |
} |
976 |
< |
} |
977 |
< |
}).start(); |
978 |
< |
try { |
979 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
980 |
< |
assertTrue(q.offer(three)); |
981 |
< |
assertEquals(new Integer(four), q.poll()); |
1052 |
< |
} catch (Exception ex) { |
1053 |
< |
this.unexpectedException(); |
1054 |
< |
} |
968 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
969 |
> |
public void realRun() throws InterruptedException { |
970 |
> |
q.transfer(four); |
971 |
> |
assertFalse(q.contains(four)); |
972 |
> |
assertSame(three, q.poll()); |
973 |
> |
}}); |
974 |
> |
|
975 |
> |
while (q.isEmpty()) |
976 |
> |
Thread.yield(); |
977 |
> |
assertFalse(q.isEmpty()); |
978 |
> |
assertEquals(1, q.size()); |
979 |
> |
assertTrue(q.offer(three)); |
980 |
> |
assertSame(four, q.poll()); |
981 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
982 |
|
} |
983 |
< |
/* |
984 |
< |
* Insert null into trTransfer throws NPE |
983 |
> |
|
984 |
> |
/** |
985 |
> |
* transfer waits until a take occurs. The transfered element |
986 |
> |
* is returned by this associated take. |
987 |
|
*/ |
988 |
+ |
public void testTransfer5() throws InterruptedException { |
989 |
+ |
final LinkedTransferQueue<Integer> q |
990 |
+ |
= new LinkedTransferQueue<Integer>(); |
991 |
|
|
992 |
+ |
Thread t = newStartedThread(new CheckedRunnable() { |
993 |
+ |
public void realRun() throws InterruptedException { |
994 |
+ |
q.transfer(four); |
995 |
+ |
checkEmpty(q); |
996 |
+ |
}}); |
997 |
+ |
|
998 |
+ |
while (q.isEmpty()) |
999 |
+ |
Thread.yield(); |
1000 |
+ |
assertFalse(q.isEmpty()); |
1001 |
+ |
assertEquals(1, q.size()); |
1002 |
+ |
assertSame(four, q.take()); |
1003 |
+ |
checkEmpty(q); |
1004 |
+ |
awaitTermination(t, MEDIUM_DELAY_MS); |
1005 |
+ |
} |
1006 |
+ |
|
1007 |
+ |
/** |
1008 |
+ |
* tryTransfer(null) throws NullPointerException |
1009 |
+ |
*/ |
1010 |
|
public void testTryTransfer1() { |
1011 |
|
try { |
1012 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1013 |
|
q.tryTransfer(null); |
1014 |
< |
this.shouldThrow(); |
1015 |
< |
} catch (NullPointerException ex) { |
1066 |
< |
} catch (Exception ex) { |
1067 |
< |
this.unexpectedException(); |
1068 |
< |
} |
1014 |
> |
shouldThrow(); |
1015 |
> |
} catch (NullPointerException success) {} |
1016 |
|
} |
1070 |
– |
/* |
1071 |
– |
* tryTransfer returns false and does not enqueue if there are no consumers |
1072 |
– |
* waiting to poll or take. |
1073 |
– |
*/ |
1017 |
|
|
1018 |
< |
public void testTryTransfer2() { |
1019 |
< |
try { |
1020 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1021 |
< |
assertFalse(q.tryTransfer(new Object())); |
1022 |
< |
assertEquals(0, q.size()); |
1023 |
< |
} catch (Exception ex) { |
1024 |
< |
this.unexpectedException(); |
1025 |
< |
} |
1018 |
> |
/** |
1019 |
> |
* tryTransfer returns false and does not enqueue if there are no |
1020 |
> |
* consumers waiting to poll or take. |
1021 |
> |
*/ |
1022 |
> |
public void testTryTransfer2() throws InterruptedException { |
1023 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1024 |
> |
assertFalse(q.tryTransfer(new Object())); |
1025 |
> |
assertFalse(q.hasWaitingConsumer()); |
1026 |
> |
checkEmpty(q); |
1027 |
|
} |
1028 |
< |
/* |
1029 |
< |
* if there is a consumer waiting poll or take tryTransfer returns |
1030 |
< |
* true while enqueueing object |
1028 |
> |
|
1029 |
> |
/** |
1030 |
> |
* If there is a consumer waiting in timed poll, tryTransfer |
1031 |
> |
* returns true while successfully transfering object. |
1032 |
|
*/ |
1033 |
+ |
public void testTryTransfer3() throws InterruptedException { |
1034 |
+ |
final Object hotPotato = new Object(); |
1035 |
+ |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1036 |
|
|
1037 |
< |
public void testTryTransfer3() { |
1038 |
< |
try { |
1039 |
< |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1040 |
< |
new Thread(new Runnable() { |
1037 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1038 |
> |
public void realRun() { |
1039 |
> |
while (! q.hasWaitingConsumer()) |
1040 |
> |
Thread.yield(); |
1041 |
> |
assertTrue(q.hasWaitingConsumer()); |
1042 |
> |
checkEmpty(q); |
1043 |
> |
assertTrue(q.tryTransfer(hotPotato)); |
1044 |
> |
}}); |
1045 |
> |
|
1046 |
> |
assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
1047 |
> |
checkEmpty(q); |
1048 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1049 |
> |
} |
1050 |
|
|
1051 |
< |
public void run() { |
1052 |
< |
try { |
1053 |
< |
threadAssertTrue(q.hasWaitingConsumer()); |
1054 |
< |
threadAssertTrue(q.tryTransfer(new Object())); |
1055 |
< |
} catch (Exception ex) { |
1056 |
< |
threadUnexpectedException(); |
1057 |
< |
} |
1051 |
> |
/** |
1052 |
> |
* If there is a consumer waiting in take, tryTransfer returns |
1053 |
> |
* true while successfully transfering object. |
1054 |
> |
*/ |
1055 |
> |
public void testTryTransfer4() throws InterruptedException { |
1056 |
> |
final Object hotPotato = new Object(); |
1057 |
> |
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1058 |
|
|
1059 |
< |
} |
1060 |
< |
}).start(); |
1061 |
< |
assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null); |
1062 |
< |
assertTrue(q.isEmpty()); |
1063 |
< |
} catch (Exception ex) { |
1064 |
< |
this.unexpectedException(); |
1065 |
< |
} |
1059 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1060 |
> |
public void realRun() { |
1061 |
> |
while (! q.hasWaitingConsumer()) |
1062 |
> |
Thread.yield(); |
1063 |
> |
assertTrue(q.hasWaitingConsumer()); |
1064 |
> |
checkEmpty(q); |
1065 |
> |
assertTrue(q.tryTransfer(hotPotato)); |
1066 |
> |
}}); |
1067 |
> |
|
1068 |
> |
assertSame(q.take(), hotPotato); |
1069 |
> |
checkEmpty(q); |
1070 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1071 |
|
} |
1072 |
|
|
1073 |
< |
/* |
1074 |
< |
* tryTransfer waits the amount given if interrupted, show an |
1075 |
< |
* interrupted exception |
1073 |
> |
/** |
1074 |
> |
* tryTransfer waits the amount given if interrupted, and |
1075 |
> |
* throws interrupted exception |
1076 |
|
*/ |
1077 |
< |
public void testTryTransfer4() { |
1077 |
> |
public void testTryTransfer5() throws InterruptedException { |
1078 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1079 |
< |
Thread toInterrupt = new Thread(new Runnable() { |
1079 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1080 |
|
|
1081 |
< |
public void run() { |
1081 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1082 |
> |
public void realRun() throws InterruptedException { |
1083 |
> |
long t0 = System.nanoTime(); |
1084 |
> |
threadStarted.countDown(); |
1085 |
|
try { |
1086 |
< |
q.tryTransfer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
1087 |
< |
threadShouldThrow(); |
1088 |
< |
} catch (InterruptedException ex) { |
1089 |
< |
} |
1090 |
< |
} |
1091 |
< |
}); |
1092 |
< |
try { |
1093 |
< |
toInterrupt.start(); |
1094 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1095 |
< |
toInterrupt.interrupt(); |
1096 |
< |
} catch (Exception ex) { |
1132 |
< |
this.unexpectedException(); |
1133 |
< |
} |
1086 |
> |
q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
1087 |
> |
shouldThrow(); |
1088 |
> |
} catch (InterruptedException success) {} |
1089 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1090 |
> |
}}); |
1091 |
> |
|
1092 |
> |
threadStarted.await(); |
1093 |
> |
Thread.sleep(SHORT_DELAY_MS); |
1094 |
> |
t.interrupt(); |
1095 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1096 |
> |
checkEmpty(q); |
1097 |
|
} |
1098 |
|
|
1099 |
< |
/* |
1100 |
< |
* tryTransfer gives up after the timeout and return false |
1099 |
> |
/** |
1100 |
> |
* tryTransfer gives up after the timeout and returns false |
1101 |
|
*/ |
1102 |
< |
public void testTryTransfer5() { |
1102 |
> |
public void testTryTransfer6() throws InterruptedException { |
1103 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1141 |
– |
try { |
1142 |
– |
new Thread(new Runnable() { |
1104 |
|
|
1105 |
< |
public void run() { |
1106 |
< |
try { |
1107 |
< |
threadAssertFalse(q.tryTransfer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
1108 |
< |
} catch (InterruptedException ex) { |
1109 |
< |
threadUnexpectedException(); |
1110 |
< |
} |
1111 |
< |
} |
1112 |
< |
}).start(); |
1113 |
< |
Thread.sleep(LONG_DELAY_MS); |
1114 |
< |
assertTrue(q.isEmpty()); |
1115 |
< |
} catch (Exception ex) { |
1155 |
< |
this.unexpectedException(); |
1156 |
< |
} |
1105 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1106 |
> |
public void realRun() throws InterruptedException { |
1107 |
> |
long t0 = System.nanoTime(); |
1108 |
> |
assertFalse(q.tryTransfer(new Object(), |
1109 |
> |
SHORT_DELAY_MS, MILLISECONDS)); |
1110 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1111 |
> |
checkEmpty(q); |
1112 |
> |
}}); |
1113 |
> |
|
1114 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1115 |
> |
checkEmpty(q); |
1116 |
|
} |
1117 |
|
|
1118 |
< |
/* |
1118 |
> |
/** |
1119 |
|
* tryTransfer waits for any elements previously in to be removed |
1120 |
|
* before transfering to a poll or take |
1121 |
|
*/ |
1122 |
< |
public void testTryTransfer6() { |
1122 |
> |
public void testTryTransfer7() throws InterruptedException { |
1123 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1124 |
< |
q.offer(new Integer(four)); |
1166 |
< |
new Thread(new Runnable() { |
1124 |
> |
assertTrue(q.offer(four)); |
1125 |
|
|
1126 |
< |
public void run() { |
1127 |
< |
try { |
1128 |
< |
threadAssertTrue(q.tryTransfer(new Integer(five), LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
1129 |
< |
threadAssertTrue(q.isEmpty()); |
1130 |
< |
} catch (InterruptedException ex) { |
1131 |
< |
threadUnexpectedException(); |
1132 |
< |
} |
1133 |
< |
} |
1134 |
< |
}).start(); |
1135 |
< |
try { |
1136 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1137 |
< |
assertEquals(2, q.size()); |
1138 |
< |
assertEquals(new Integer(four), q.poll()); |
1181 |
< |
assertEquals(new Integer(five), q.poll()); |
1182 |
< |
assertTrue(q.isEmpty()); |
1183 |
< |
} catch (Exception ex) { |
1184 |
< |
this.unexpectedException(); |
1185 |
< |
} |
1126 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
1127 |
> |
public void realRun() throws InterruptedException { |
1128 |
> |
assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS)); |
1129 |
> |
checkEmpty(q); |
1130 |
> |
}}); |
1131 |
> |
|
1132 |
> |
while (q.size() != 2) |
1133 |
> |
Thread.yield(); |
1134 |
> |
assertEquals(2, q.size()); |
1135 |
> |
assertSame(four, q.poll()); |
1136 |
> |
assertSame(five, q.poll()); |
1137 |
> |
checkEmpty(q); |
1138 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
1139 |
|
} |
1140 |
|
|
1141 |
< |
/* |
1142 |
< |
* tryTransfer attempts to enqueue into the q and fails returning false not |
1143 |
< |
* enqueueing and the successing poll is null |
1141 |
> |
/** |
1142 |
> |
* tryTransfer attempts to enqueue into the q and fails returning |
1143 |
> |
* false not enqueueing and the successive poll is null |
1144 |
|
*/ |
1145 |
< |
public void testTryTransfer7() { |
1145 |
> |
public void testTryTransfer8() throws InterruptedException { |
1146 |
|
final LinkedTransferQueue q = new LinkedTransferQueue(); |
1147 |
< |
q.offer(new Integer(four)); |
1148 |
< |
new Thread(new Runnable() { |
1149 |
< |
|
1150 |
< |
public void run() { |
1151 |
< |
try { |
1152 |
< |
threadAssertFalse(q.tryTransfer(new Integer(five), SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); |
1153 |
< |
threadAssertTrue(q.isEmpty()); |
1154 |
< |
} catch (InterruptedException ex) { |
1155 |
< |
threadUnexpectedException(); |
1203 |
< |
} |
1204 |
< |
} |
1205 |
< |
}).start(); |
1206 |
< |
try { |
1207 |
< |
assertEquals(1, q.size()); |
1208 |
< |
assertEquals(new Integer(four), q.poll()); |
1209 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1210 |
< |
assertNull(q.poll()); |
1211 |
< |
} catch (Exception ex) { |
1212 |
< |
this.unexpectedException(); |
1213 |
< |
} |
1147 |
> |
assertTrue(q.offer(four)); |
1148 |
> |
assertEquals(1, q.size()); |
1149 |
> |
long t0 = System.nanoTime(); |
1150 |
> |
assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS)); |
1151 |
> |
assertTrue(millisElapsedSince(t0) >= SHORT_DELAY_MS); |
1152 |
> |
assertEquals(1, q.size()); |
1153 |
> |
assertSame(four, q.poll()); |
1154 |
> |
assertNull(q.poll()); |
1155 |
> |
checkEmpty(q); |
1156 |
|
} |
1157 |
|
|
1158 |
< |
private LinkedTransferQueue populatedQueue( |
1159 |
< |
int n) { |
1160 |
< |
LinkedTransferQueue q = new LinkedTransferQueue(); |
1161 |
< |
assertTrue(q.isEmpty()); |
1162 |
< |
int remainingCapacity = q.remainingCapacity(); |
1221 |
< |
for (int i = 0; i < |
1222 |
< |
n; i++) { |
1158 |
> |
private LinkedTransferQueue<Integer> populatedQueue(int n) { |
1159 |
> |
LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>(); |
1160 |
> |
checkEmpty(q); |
1161 |
> |
for (int i = 0; i < n; i++) { |
1162 |
> |
assertEquals(i, q.size()); |
1163 |
|
assertTrue(q.offer(i)); |
1164 |
+ |
assertEquals(Integer.MAX_VALUE, q.remainingCapacity()); |
1165 |
|
} |
1225 |
– |
|
1166 |
|
assertFalse(q.isEmpty()); |
1227 |
– |
assertEquals(remainingCapacity, q.remainingCapacity()); |
1228 |
– |
assertEquals(n, q.size()); |
1167 |
|
return q; |
1168 |
|
} |
1231 |
– |
|
1232 |
– |
private static class ConsumerObserver { |
1233 |
– |
|
1234 |
– |
private int waitingConsumers; |
1235 |
– |
|
1236 |
– |
private ConsumerObserver() { |
1237 |
– |
} |
1238 |
– |
|
1239 |
– |
private void setWaitingConsumer(int i) { |
1240 |
– |
this.waitingConsumers = i; |
1241 |
– |
} |
1242 |
– |
|
1243 |
– |
private int getWaitingConsumers() { |
1244 |
– |
return waitingConsumers; |
1245 |
– |
} |
1246 |
– |
} |
1169 |
|
} |