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dl |
1.1 |
/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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*/ |
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import junit.framework.*; |
9 |
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import java.util.concurrent.*; |
10 |
dl |
1.4 |
import java.util.*; |
11 |
dl |
1.1 |
|
12 |
dl |
1.4 |
public class FutureTaskTest extends JSR166TestCase { |
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dl |
1.1 |
|
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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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public static Test suite() { |
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return new TestSuite(FutureTaskTest.class); |
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} |
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21 |
dl |
1.4 |
/** |
22 |
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* Subclass to expose protected methods |
23 |
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*/ |
24 |
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static class MyFutureTask extends FutureTask { |
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public MyFutureTask(Callable r) { super(r); } |
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public boolean reset() { return super.reset(); } |
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public void setCancelled() { super.setCancelled(); } |
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public void setDone() { super.setDone(); } |
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public void set(Object x) { super.set(x); } |
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public void setException(Throwable t) { super.setException(t); } |
31 |
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} |
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dl |
1.1 |
|
33 |
dl |
1.5 |
/** |
34 |
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* |
35 |
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*/ |
36 |
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public void testConstructor() { |
37 |
dl |
1.3 |
try { |
38 |
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FutureTask task = new FutureTask(null); |
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dl |
1.5 |
shouldThrow(); |
40 |
dl |
1.3 |
} |
41 |
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catch(NullPointerException success) { |
42 |
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} |
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} |
44 |
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45 |
dl |
1.5 |
/** |
46 |
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* |
47 |
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*/ |
48 |
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public void testConstructor2() { |
49 |
dl |
1.3 |
try { |
50 |
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FutureTask task = new FutureTask(null, Boolean.TRUE); |
51 |
dl |
1.5 |
shouldThrow(); |
52 |
dl |
1.3 |
} |
53 |
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catch(NullPointerException success) { |
54 |
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} |
55 |
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} |
56 |
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57 |
dl |
1.5 |
/** |
58 |
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* |
59 |
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*/ |
60 |
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public void testIsDone() { |
61 |
dl |
1.4 |
FutureTask task = new FutureTask( new NoOpCallable()); |
62 |
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task.run(); |
63 |
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assertTrue(task.isDone()); |
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assertFalse(task.isCancelled()); |
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} |
66 |
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67 |
dl |
1.5 |
/** |
68 |
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* |
69 |
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*/ |
70 |
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public void testReset() { |
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dl |
1.4 |
MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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task.run(); |
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assertTrue(task.isDone()); |
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assertTrue(task.reset()); |
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} |
76 |
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77 |
dl |
1.5 |
/** |
78 |
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* |
79 |
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*/ |
80 |
dl |
1.4 |
public void testResetAfterCancel() { |
81 |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
82 |
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assertTrue(task.cancel(false)); |
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dl |
1.1 |
task.run(); |
84 |
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assertTrue(task.isDone()); |
85 |
dl |
1.4 |
assertTrue(task.isCancelled()); |
86 |
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assertFalse(task.reset()); |
87 |
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} |
88 |
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|
89 |
dl |
1.5 |
/** |
90 |
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* |
91 |
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*/ |
92 |
dl |
1.4 |
public void testSetDone() { |
93 |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
94 |
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task.setDone(); |
95 |
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assertTrue(task.isDone()); |
96 |
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1.1 |
assertFalse(task.isCancelled()); |
97 |
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} |
98 |
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99 |
dl |
1.5 |
/** |
100 |
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* |
101 |
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*/ |
102 |
dl |
1.4 |
public void testSetCancelled() { |
103 |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
104 |
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assertTrue(task.cancel(false)); |
105 |
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task.setCancelled(); |
106 |
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assertTrue(task.isDone()); |
107 |
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assertTrue(task.isCancelled()); |
108 |
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} |
109 |
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110 |
dl |
1.5 |
/** |
111 |
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* |
112 |
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*/ |
113 |
dl |
1.4 |
public void testSet() { |
114 |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
115 |
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task.set(one); |
116 |
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try { |
117 |
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assertEquals(task.get(), one); |
118 |
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} |
119 |
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catch(Exception e) { |
120 |
dl |
1.5 |
unexpectedException(); |
121 |
dl |
1.4 |
} |
122 |
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} |
123 |
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124 |
dl |
1.5 |
/** |
125 |
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* |
126 |
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*/ |
127 |
dl |
1.4 |
public void testSetException() { |
128 |
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Exception nse = new NoSuchElementException(); |
129 |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
130 |
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task.setException(nse); |
131 |
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try { |
132 |
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Object x = task.get(); |
133 |
dl |
1.5 |
shouldThrow(); |
134 |
dl |
1.4 |
} |
135 |
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catch(ExecutionException ee) { |
136 |
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Throwable cause = ee.getCause(); |
137 |
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assertEquals(cause, nse); |
138 |
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} |
139 |
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catch(Exception e) { |
140 |
dl |
1.5 |
unexpectedException(); |
141 |
dl |
1.4 |
} |
142 |
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} |
143 |
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144 |
dl |
1.5 |
/** |
145 |
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* |
146 |
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*/ |
147 |
dl |
1.1 |
public void testCancelBeforeRun() { |
148 |
dl |
1.4 |
FutureTask task = new FutureTask( new NoOpCallable()); |
149 |
dl |
1.1 |
assertTrue(task.cancel(false)); |
150 |
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task.run(); |
151 |
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assertTrue(task.isDone()); |
152 |
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assertTrue(task.isCancelled()); |
153 |
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} |
154 |
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155 |
dl |
1.5 |
/** |
156 |
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* |
157 |
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*/ |
158 |
dl |
1.1 |
public void testCancelBeforeRun2() { |
159 |
dl |
1.4 |
FutureTask task = new FutureTask( new NoOpCallable()); |
160 |
dl |
1.1 |
assertTrue(task.cancel(true)); |
161 |
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task.run(); |
162 |
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assertTrue(task.isDone()); |
163 |
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assertTrue(task.isCancelled()); |
164 |
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} |
165 |
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|
166 |
dl |
1.5 |
/** |
167 |
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* |
168 |
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*/ |
169 |
dl |
1.1 |
public void testCancelAfterRun() { |
170 |
dl |
1.4 |
FutureTask task = new FutureTask( new NoOpCallable()); |
171 |
dl |
1.1 |
task.run(); |
172 |
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assertFalse(task.cancel(false)); |
173 |
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assertTrue(task.isDone()); |
174 |
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assertFalse(task.isCancelled()); |
175 |
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} |
176 |
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177 |
dl |
1.5 |
/** |
178 |
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* |
179 |
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*/ |
180 |
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public void testCancelInterrupt() { |
181 |
dl |
1.1 |
FutureTask task = new FutureTask( new Callable() { |
182 |
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public Object call() { |
183 |
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try { |
184 |
dl |
1.4 |
Thread.sleep(MEDIUM_DELAY_MS); |
185 |
dl |
1.5 |
threadShouldThrow(); |
186 |
dl |
1.1 |
} |
187 |
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catch (InterruptedException success) {} |
188 |
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return Boolean.TRUE; |
189 |
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} }); |
190 |
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Thread t = new Thread(task); |
191 |
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t.start(); |
192 |
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193 |
dl |
1.5 |
try { |
194 |
dl |
1.1 |
Thread.sleep(SHORT_DELAY_MS); |
195 |
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assertTrue(task.cancel(true)); |
196 |
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t.join(); |
197 |
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assertTrue(task.isDone()); |
198 |
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assertTrue(task.isCancelled()); |
199 |
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} catch(InterruptedException e){ |
200 |
dl |
1.5 |
unexpectedException(); |
201 |
dl |
1.1 |
} |
202 |
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} |
203 |
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204 |
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205 |
dl |
1.5 |
/** |
206 |
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* |
207 |
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*/ |
208 |
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public void testCancelNoInterrupt() { |
209 |
dl |
1.1 |
FutureTask task = new FutureTask( new Callable() { |
210 |
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public Object call() { |
211 |
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try { |
212 |
dl |
1.4 |
Thread.sleep(MEDIUM_DELAY_MS); |
213 |
dl |
1.1 |
} |
214 |
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catch (InterruptedException success) { |
215 |
dl |
1.4 |
threadFail("should not interrupt"); |
216 |
dl |
1.1 |
} |
217 |
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return Boolean.TRUE; |
218 |
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} }); |
219 |
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Thread t = new Thread(task); |
220 |
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t.start(); |
221 |
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|
222 |
dl |
1.5 |
try { |
223 |
dl |
1.1 |
Thread.sleep(SHORT_DELAY_MS); |
224 |
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assertTrue(task.cancel(false)); |
225 |
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t.join(); |
226 |
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assertTrue(task.isDone()); |
227 |
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assertTrue(task.isCancelled()); |
228 |
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} catch(InterruptedException e){ |
229 |
dl |
1.5 |
unexpectedException(); |
230 |
dl |
1.1 |
} |
231 |
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} |
232 |
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|
233 |
dl |
1.5 |
/** |
234 |
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* |
235 |
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*/ |
236 |
dl |
1.1 |
public void testGet1() { |
237 |
dl |
1.5 |
final FutureTask ft = new FutureTask(new Callable() { |
238 |
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public Object call() { |
239 |
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try { |
240 |
dl |
1.1 |
Thread.sleep(MEDIUM_DELAY_MS); |
241 |
dl |
1.2 |
} catch(InterruptedException e){ |
242 |
dl |
1.5 |
threadUnexpectedException(); |
243 |
dl |
1.1 |
} |
244 |
|
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return Boolean.TRUE; |
245 |
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} |
246 |
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}); |
247 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
248 |
|
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public void run() { |
249 |
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try { |
250 |
dl |
1.1 |
ft.get(); |
251 |
dl |
1.2 |
} catch(Exception e){ |
252 |
dl |
1.5 |
threadUnexpectedException(); |
253 |
dl |
1.1 |
} |
254 |
|
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} |
255 |
|
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}); |
256 |
dl |
1.5 |
try { |
257 |
dl |
1.1 |
assertFalse(ft.isDone()); |
258 |
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assertFalse(ft.isCancelled()); |
259 |
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t.start(); |
260 |
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Thread.sleep(SHORT_DELAY_MS); |
261 |
|
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ft.run(); |
262 |
|
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t.join(); |
263 |
|
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assertTrue(ft.isDone()); |
264 |
|
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assertFalse(ft.isCancelled()); |
265 |
|
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} catch(InterruptedException e){ |
266 |
dl |
1.5 |
unexpectedException(); |
267 |
dl |
1.1 |
|
268 |
|
|
} |
269 |
|
|
} |
270 |
|
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|
271 |
dl |
1.5 |
/** |
272 |
|
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* |
273 |
|
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*/ |
274 |
dl |
1.1 |
public void testTimedGet1() { |
275 |
dl |
1.5 |
final FutureTask ft = new FutureTask(new Callable() { |
276 |
|
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public Object call() { |
277 |
|
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try { |
278 |
dl |
1.1 |
Thread.sleep(MEDIUM_DELAY_MS); |
279 |
dl |
1.2 |
} catch(InterruptedException e){ |
280 |
dl |
1.5 |
threadUnexpectedException(); |
281 |
dl |
1.1 |
} |
282 |
|
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return Boolean.TRUE; |
283 |
|
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} |
284 |
|
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}); |
285 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
286 |
|
|
public void run() { |
287 |
|
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try { |
288 |
dl |
1.1 |
ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
289 |
|
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} catch(TimeoutException success) { |
290 |
|
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} catch(Exception e){ |
291 |
dl |
1.5 |
threadUnexpectedException(); |
292 |
dl |
1.1 |
} |
293 |
|
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} |
294 |
|
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}); |
295 |
dl |
1.5 |
try { |
296 |
dl |
1.1 |
assertFalse(ft.isDone()); |
297 |
|
|
assertFalse(ft.isCancelled()); |
298 |
|
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t.start(); |
299 |
|
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ft.run(); |
300 |
|
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t.join(); |
301 |
|
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assertTrue(ft.isDone()); |
302 |
|
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assertFalse(ft.isCancelled()); |
303 |
|
|
} catch(InterruptedException e){ |
304 |
dl |
1.5 |
unexpectedException(); |
305 |
dl |
1.1 |
|
306 |
|
|
} |
307 |
|
|
} |
308 |
|
|
|
309 |
|
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|
310 |
dl |
1.5 |
/** |
311 |
|
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* |
312 |
|
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*/ |
313 |
|
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public void testGet_Cancellation() { |
314 |
|
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final FutureTask ft = new FutureTask(new Callable() { |
315 |
|
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public Object call() { |
316 |
|
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try { |
317 |
dl |
1.1 |
Thread.sleep(MEDIUM_DELAY_MS); |
318 |
dl |
1.2 |
} catch(InterruptedException e){ |
319 |
dl |
1.5 |
threadUnexpectedException(); |
320 |
dl |
1.1 |
} |
321 |
|
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return Boolean.TRUE; |
322 |
|
|
} |
323 |
|
|
}); |
324 |
|
|
try { |
325 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
326 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
327 |
|
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public void run() { |
328 |
|
|
try { |
329 |
dl |
1.1 |
ft.get(); |
330 |
dl |
1.5 |
threadShouldThrow(); |
331 |
dl |
1.2 |
} catch(CancellationException success){ |
332 |
dl |
1.1 |
} |
333 |
|
|
catch(Exception e){ |
334 |
dl |
1.5 |
threadUnexpectedException(); |
335 |
dl |
1.1 |
} |
336 |
|
|
} |
337 |
|
|
}); |
338 |
|
|
t.start(); |
339 |
|
|
ft.cancel(true); |
340 |
|
|
t.join(); |
341 |
dl |
1.2 |
} catch(InterruptedException success){ |
342 |
dl |
1.5 |
unexpectedException(); |
343 |
dl |
1.1 |
} |
344 |
|
|
} |
345 |
|
|
|
346 |
dl |
1.5 |
/** |
347 |
|
|
* |
348 |
|
|
*/ |
349 |
|
|
public void testGet_Cancellation2() { |
350 |
|
|
final FutureTask ft = new FutureTask(new Callable() { |
351 |
|
|
public Object call() { |
352 |
|
|
try { |
353 |
dl |
1.1 |
Thread.sleep(SHORT_DELAY_MS); |
354 |
|
|
} catch(InterruptedException e) { |
355 |
dl |
1.5 |
threadUnexpectedException(); |
356 |
dl |
1.1 |
} |
357 |
|
|
return Boolean.TRUE; |
358 |
|
|
} |
359 |
|
|
}); |
360 |
dl |
1.5 |
try { |
361 |
dl |
1.4 |
Thread.sleep(SHORT_DELAY_MS); |
362 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
363 |
|
|
public void run() { |
364 |
|
|
try { |
365 |
dl |
1.4 |
ft.get(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
366 |
dl |
1.5 |
threadShouldThrow(); |
367 |
dl |
1.2 |
} catch(CancellationException success) {} |
368 |
dl |
1.1 |
catch(Exception e){ |
369 |
dl |
1.5 |
threadUnexpectedException(); |
370 |
dl |
1.1 |
} |
371 |
|
|
} |
372 |
|
|
}); |
373 |
|
|
t.start(); |
374 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
375 |
|
|
ft.cancel(true); |
376 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
377 |
|
|
t.join(); |
378 |
dl |
1.2 |
} catch(InterruptedException ie){ |
379 |
dl |
1.5 |
unexpectedException(); |
380 |
dl |
1.1 |
} |
381 |
|
|
} |
382 |
|
|
|
383 |
dl |
1.5 |
/** |
384 |
|
|
* |
385 |
|
|
*/ |
386 |
|
|
public void testGet_ExecutionException() { |
387 |
|
|
final FutureTask ft = new FutureTask(new Callable() { |
388 |
|
|
public Object call() { |
389 |
dl |
1.1 |
int i = 5/0; |
390 |
|
|
return Boolean.TRUE; |
391 |
|
|
} |
392 |
|
|
}); |
393 |
dl |
1.5 |
try { |
394 |
dl |
1.1 |
ft.run(); |
395 |
|
|
ft.get(); |
396 |
dl |
1.5 |
shouldThrow(); |
397 |
dl |
1.2 |
} catch(ExecutionException success){ |
398 |
dl |
1.1 |
} |
399 |
|
|
catch(Exception e){ |
400 |
dl |
1.5 |
unexpectedException(); |
401 |
dl |
1.1 |
} |
402 |
|
|
} |
403 |
|
|
|
404 |
dl |
1.5 |
/** |
405 |
|
|
* |
406 |
|
|
*/ |
407 |
|
|
public void testTimedGet_ExecutionException2() { |
408 |
|
|
final FutureTask ft = new FutureTask(new Callable() { |
409 |
|
|
public Object call() { |
410 |
dl |
1.1 |
int i = 5/0; |
411 |
|
|
return Boolean.TRUE; |
412 |
|
|
} |
413 |
|
|
}); |
414 |
dl |
1.5 |
try { |
415 |
dl |
1.1 |
ft.run(); |
416 |
|
|
ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
417 |
dl |
1.5 |
shouldThrow(); |
418 |
dl |
1.2 |
} catch(ExecutionException success) { |
419 |
|
|
} catch(TimeoutException success) { } // unlikely but OK |
420 |
dl |
1.1 |
catch(Exception e){ |
421 |
dl |
1.5 |
unexpectedException(); |
422 |
dl |
1.1 |
} |
423 |
|
|
} |
424 |
|
|
|
425 |
|
|
|
426 |
dl |
1.5 |
/** |
427 |
|
|
* |
428 |
|
|
*/ |
429 |
|
|
public void testGet_InterruptedException() { |
430 |
dl |
1.4 |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
431 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
432 |
|
|
public void run() { |
433 |
|
|
try { |
434 |
dl |
1.1 |
ft.get(); |
435 |
dl |
1.5 |
threadShouldThrow(); |
436 |
dl |
1.1 |
} catch(InterruptedException success){ |
437 |
|
|
} catch(Exception e){ |
438 |
dl |
1.5 |
threadUnexpectedException(); |
439 |
dl |
1.1 |
} |
440 |
|
|
} |
441 |
|
|
}); |
442 |
|
|
try { |
443 |
|
|
t.start(); |
444 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
445 |
|
|
t.interrupt(); |
446 |
|
|
t.join(); |
447 |
|
|
} catch(Exception e){ |
448 |
dl |
1.5 |
unexpectedException(); |
449 |
dl |
1.1 |
} |
450 |
|
|
} |
451 |
|
|
|
452 |
dl |
1.5 |
/** |
453 |
|
|
* |
454 |
|
|
*/ |
455 |
|
|
public void testTimedGet_InterruptedException2() { |
456 |
dl |
1.4 |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
457 |
dl |
1.5 |
Thread t = new Thread(new Runnable() { |
458 |
|
|
public void run() { |
459 |
|
|
try { |
460 |
dl |
1.4 |
ft.get(LONG_DELAY_MS,TimeUnit.MILLISECONDS); |
461 |
dl |
1.5 |
threadShouldThrow(); |
462 |
dl |
1.2 |
} catch(InterruptedException success){} |
463 |
dl |
1.1 |
catch(Exception e){ |
464 |
dl |
1.5 |
threadUnexpectedException(); |
465 |
dl |
1.1 |
} |
466 |
|
|
} |
467 |
|
|
}); |
468 |
|
|
try { |
469 |
|
|
t.start(); |
470 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
471 |
|
|
t.interrupt(); |
472 |
|
|
t.join(); |
473 |
|
|
} catch(Exception e){ |
474 |
dl |
1.5 |
unexpectedException(); |
475 |
dl |
1.1 |
} |
476 |
|
|
} |
477 |
|
|
|
478 |
dl |
1.5 |
/** |
479 |
|
|
* |
480 |
|
|
*/ |
481 |
|
|
public void testGet_TimeoutException() { |
482 |
|
|
try { |
483 |
dl |
1.4 |
FutureTask ft = new FutureTask(new NoOpCallable()); |
484 |
dl |
1.1 |
ft.get(1,TimeUnit.MILLISECONDS); |
485 |
dl |
1.5 |
shouldThrow(); |
486 |
dl |
1.2 |
} catch(TimeoutException success){} |
487 |
|
|
catch(Exception success){ |
488 |
dl |
1.5 |
unexpectedException(); |
489 |
dl |
1.1 |
} |
490 |
|
|
} |
491 |
|
|
|
492 |
|
|
} |