1 |
dl |
1.1 |
/* |
2 |
dl |
1.12 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
4 |
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* http://creativecommons.org/licenses/publicdomain |
5 |
jsr166 |
1.20 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
dl |
1.1 |
*/ |
8 |
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9 |
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10 |
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import junit.framework.*; |
11 |
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import java.util.*; |
12 |
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import java.util.concurrent.*; |
13 |
jsr166 |
1.26 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
14 |
dl |
1.2 |
import java.math.BigInteger; |
15 |
dl |
1.8 |
import java.security.*; |
16 |
dl |
1.1 |
|
17 |
jsr166 |
1.22 |
public class ExecutorsTest extends JSR166TestCase { |
18 |
dl |
1.1 |
public static void main(String[] args) { |
19 |
jsr166 |
1.20 |
junit.textui.TestRunner.run (suite()); |
20 |
dl |
1.1 |
} |
21 |
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public static Test suite() { |
22 |
tim |
1.9 |
return new TestSuite(ExecutorsTest.class); |
23 |
dl |
1.1 |
} |
24 |
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25 |
dl |
1.5 |
/** |
26 |
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* A newCachedThreadPool can execute runnables |
27 |
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*/ |
28 |
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public void testNewCachedThreadPool1() { |
29 |
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ExecutorService e = Executors.newCachedThreadPool(); |
30 |
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e.execute(new NoOpRunnable()); |
31 |
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e.execute(new NoOpRunnable()); |
32 |
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e.execute(new NoOpRunnable()); |
33 |
dl |
1.14 |
joinPool(e); |
34 |
dl |
1.5 |
} |
35 |
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36 |
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/** |
37 |
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* A newCachedThreadPool with given ThreadFactory can execute runnables |
38 |
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*/ |
39 |
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public void testNewCachedThreadPool2() { |
40 |
dl |
1.6 |
ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
41 |
dl |
1.5 |
e.execute(new NoOpRunnable()); |
42 |
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e.execute(new NoOpRunnable()); |
43 |
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e.execute(new NoOpRunnable()); |
44 |
dl |
1.14 |
joinPool(e); |
45 |
dl |
1.5 |
} |
46 |
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47 |
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/** |
48 |
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* A newCachedThreadPool with null ThreadFactory throws NPE |
49 |
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*/ |
50 |
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public void testNewCachedThreadPool3() { |
51 |
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try { |
52 |
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ExecutorService e = Executors.newCachedThreadPool(null); |
53 |
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shouldThrow(); |
54 |
jsr166 |
1.23 |
} catch (NullPointerException success) {} |
55 |
dl |
1.5 |
} |
56 |
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57 |
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58 |
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/** |
59 |
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* A new SingleThreadExecutor can execute runnables |
60 |
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*/ |
61 |
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public void testNewSingleThreadExecutor1() { |
62 |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
63 |
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e.execute(new NoOpRunnable()); |
64 |
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e.execute(new NoOpRunnable()); |
65 |
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e.execute(new NoOpRunnable()); |
66 |
dl |
1.14 |
joinPool(e); |
67 |
dl |
1.5 |
} |
68 |
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69 |
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/** |
70 |
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* A new SingleThreadExecutor with given ThreadFactory can execute runnables |
71 |
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*/ |
72 |
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public void testNewSingleThreadExecutor2() { |
73 |
dl |
1.6 |
ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
74 |
dl |
1.5 |
e.execute(new NoOpRunnable()); |
75 |
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e.execute(new NoOpRunnable()); |
76 |
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e.execute(new NoOpRunnable()); |
77 |
dl |
1.14 |
joinPool(e); |
78 |
dl |
1.5 |
} |
79 |
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80 |
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/** |
81 |
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* A new SingleThreadExecutor with null ThreadFactory throws NPE |
82 |
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*/ |
83 |
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public void testNewSingleThreadExecutor3() { |
84 |
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try { |
85 |
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ExecutorService e = Executors.newSingleThreadExecutor(null); |
86 |
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shouldThrow(); |
87 |
jsr166 |
1.23 |
} catch (NullPointerException success) {} |
88 |
dl |
1.5 |
} |
89 |
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90 |
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/** |
91 |
dl |
1.11 |
* A new SingleThreadExecutor cannot be casted to concrete implementation |
92 |
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*/ |
93 |
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public void testCastNewSingleThreadExecutor() { |
94 |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
95 |
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try { |
96 |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
97 |
jsr166 |
1.23 |
shouldThrow(); |
98 |
dl |
1.11 |
} catch (ClassCastException success) { |
99 |
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} finally { |
100 |
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joinPool(e); |
101 |
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} |
102 |
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} |
103 |
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104 |
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105 |
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/** |
106 |
dl |
1.5 |
* A new newFixedThreadPool can execute runnables |
107 |
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*/ |
108 |
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public void testNewFixedThreadPool1() { |
109 |
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ExecutorService e = Executors.newFixedThreadPool(2); |
110 |
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e.execute(new NoOpRunnable()); |
111 |
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e.execute(new NoOpRunnable()); |
112 |
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e.execute(new NoOpRunnable()); |
113 |
dl |
1.14 |
joinPool(e); |
114 |
dl |
1.5 |
} |
115 |
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116 |
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/** |
117 |
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* A new newFixedThreadPool with given ThreadFactory can execute runnables |
118 |
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*/ |
119 |
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public void testNewFixedThreadPool2() { |
120 |
dl |
1.6 |
ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
121 |
dl |
1.5 |
e.execute(new NoOpRunnable()); |
122 |
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e.execute(new NoOpRunnable()); |
123 |
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e.execute(new NoOpRunnable()); |
124 |
dl |
1.14 |
joinPool(e); |
125 |
dl |
1.5 |
} |
126 |
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127 |
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/** |
128 |
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* A new newFixedThreadPool with null ThreadFactory throws NPE |
129 |
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*/ |
130 |
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public void testNewFixedThreadPool3() { |
131 |
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try { |
132 |
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ExecutorService e = Executors.newFixedThreadPool(2, null); |
133 |
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shouldThrow(); |
134 |
jsr166 |
1.23 |
} catch (NullPointerException success) {} |
135 |
dl |
1.5 |
} |
136 |
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137 |
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/** |
138 |
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* A new newFixedThreadPool with 0 threads throws IAE |
139 |
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*/ |
140 |
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public void testNewFixedThreadPool4() { |
141 |
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try { |
142 |
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ExecutorService e = Executors.newFixedThreadPool(0); |
143 |
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shouldThrow(); |
144 |
jsr166 |
1.23 |
} catch (IllegalArgumentException success) {} |
145 |
dl |
1.5 |
} |
146 |
dl |
1.1 |
|
147 |
dl |
1.2 |
|
148 |
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/** |
149 |
dl |
1.11 |
* An unconfigurable newFixedThreadPool can execute runnables |
150 |
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*/ |
151 |
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public void testunconfigurableExecutorService() { |
152 |
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ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
153 |
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e.execute(new NoOpRunnable()); |
154 |
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e.execute(new NoOpRunnable()); |
155 |
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e.execute(new NoOpRunnable()); |
156 |
dl |
1.14 |
joinPool(e); |
157 |
dl |
1.11 |
} |
158 |
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|
159 |
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/** |
160 |
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* unconfigurableExecutorService(null) throws NPE |
161 |
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*/ |
162 |
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public void testunconfigurableExecutorServiceNPE() { |
163 |
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try { |
164 |
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ExecutorService e = Executors.unconfigurableExecutorService(null); |
165 |
jsr166 |
1.23 |
shouldThrow(); |
166 |
|
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} catch (NullPointerException success) {} |
167 |
dl |
1.11 |
} |
168 |
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|
169 |
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/** |
170 |
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* unconfigurableScheduledExecutorService(null) throws NPE |
171 |
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*/ |
172 |
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public void testunconfigurableScheduledExecutorServiceNPE() { |
173 |
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try { |
174 |
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ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
175 |
jsr166 |
1.23 |
shouldThrow(); |
176 |
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} catch (NullPointerException success) {} |
177 |
dl |
1.11 |
} |
178 |
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|
179 |
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|
180 |
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/** |
181 |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
182 |
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*/ |
183 |
jsr166 |
1.23 |
public void testNewSingleThreadScheduledExecutor() throws Exception { |
184 |
jsr166 |
1.24 |
TrackedCallable callable = new TrackedCallable(); |
185 |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
186 |
jsr166 |
1.26 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
187 |
jsr166 |
1.24 |
assertFalse(callable.done); |
188 |
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Thread.sleep(MEDIUM_DELAY_MS); |
189 |
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assertTrue(callable.done); |
190 |
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assertEquals(Boolean.TRUE, f.get()); |
191 |
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joinPool(p1); |
192 |
dl |
1.11 |
} |
193 |
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194 |
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/** |
195 |
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* a newScheduledThreadPool successfully runs delayed task |
196 |
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*/ |
197 |
jsr166 |
1.23 |
public void testnewScheduledThreadPool() throws Exception { |
198 |
jsr166 |
1.24 |
TrackedCallable callable = new TrackedCallable(); |
199 |
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ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
200 |
jsr166 |
1.26 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
201 |
jsr166 |
1.24 |
assertFalse(callable.done); |
202 |
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Thread.sleep(MEDIUM_DELAY_MS); |
203 |
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assertTrue(callable.done); |
204 |
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assertEquals(Boolean.TRUE, f.get()); |
205 |
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joinPool(p1); |
206 |
dl |
1.11 |
} |
207 |
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|
208 |
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/** |
209 |
jsr166 |
1.24 |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
210 |
dl |
1.11 |
*/ |
211 |
jsr166 |
1.23 |
public void testunconfigurableScheduledExecutorService() throws Exception { |
212 |
jsr166 |
1.24 |
TrackedCallable callable = new TrackedCallable(); |
213 |
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ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
214 |
jsr166 |
1.26 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
215 |
jsr166 |
1.24 |
assertFalse(callable.done); |
216 |
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Thread.sleep(MEDIUM_DELAY_MS); |
217 |
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assertTrue(callable.done); |
218 |
|
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assertEquals(Boolean.TRUE, f.get()); |
219 |
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joinPool(p1); |
220 |
dl |
1.11 |
} |
221 |
|
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|
222 |
|
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/** |
223 |
jsr166 |
1.28 |
* Future.get on submitted tasks will time out if they compute too long. |
224 |
dl |
1.2 |
*/ |
225 |
jsr166 |
1.23 |
public void testTimedCallable() throws Exception { |
226 |
jsr166 |
1.28 |
final Runnable sleeper = |
227 |
|
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new RunnableShouldThrow(InterruptedException.class) { |
228 |
|
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public void realRun() throws InterruptedException { |
229 |
|
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Thread.sleep(LONG_DELAY_MS); |
230 |
|
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}}; |
231 |
|
|
for (ExecutorService executor : |
232 |
|
|
new ExecutorService[] { |
233 |
|
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Executors.newSingleThreadExecutor(), |
234 |
|
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Executors.newCachedThreadPool(), |
235 |
|
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Executors.newFixedThreadPool(2), |
236 |
|
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Executors.newScheduledThreadPool(2), |
237 |
|
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}) { |
238 |
|
|
try { |
239 |
|
|
Future future = executor.submit(sleeper); |
240 |
dl |
1.2 |
try { |
241 |
jsr166 |
1.28 |
future.get(SHORT_DELAY_MS, MILLISECONDS); |
242 |
|
|
shouldThrow(); |
243 |
|
|
} catch (TimeoutException success) { |
244 |
|
|
} finally { |
245 |
|
|
future.cancel(true); |
246 |
dl |
1.2 |
} |
247 |
|
|
} |
248 |
jsr166 |
1.28 |
finally { |
249 |
|
|
joinPool(executor); |
250 |
|
|
} |
251 |
dl |
1.2 |
} |
252 |
|
|
} |
253 |
|
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|
254 |
jsr166 |
1.20 |
|
255 |
dl |
1.8 |
/** |
256 |
|
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* ThreadPoolExecutor using defaultThreadFactory has |
257 |
|
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* specified group, priority, daemon status, and name |
258 |
|
|
*/ |
259 |
jsr166 |
1.23 |
public void testDefaultThreadFactory() throws Exception { |
260 |
tim |
1.9 |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
261 |
|
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Runnable r = new Runnable() { |
262 |
|
|
public void run() { |
263 |
jsr166 |
1.25 |
try { |
264 |
|
|
Thread current = Thread.currentThread(); |
265 |
|
|
threadAssertTrue(!current.isDaemon()); |
266 |
|
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threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
267 |
|
|
ThreadGroup g = current.getThreadGroup(); |
268 |
|
|
SecurityManager s = System.getSecurityManager(); |
269 |
|
|
if (s != null) |
270 |
|
|
threadAssertTrue(g == s.getThreadGroup()); |
271 |
|
|
else |
272 |
|
|
threadAssertTrue(g == egroup); |
273 |
|
|
String name = current.getName(); |
274 |
|
|
threadAssertTrue(name.endsWith("thread-1")); |
275 |
|
|
} catch (SecurityException ok) { |
276 |
|
|
// Also pass if not allowed to change setting |
277 |
|
|
} |
278 |
tim |
1.9 |
} |
279 |
|
|
}; |
280 |
|
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
281 |
jsr166 |
1.20 |
|
282 |
tim |
1.9 |
e.execute(r); |
283 |
dl |
1.14 |
try { |
284 |
|
|
e.shutdown(); |
285 |
jsr166 |
1.21 |
} catch (SecurityException ok) { |
286 |
dl |
1.14 |
} |
287 |
jsr166 |
1.20 |
|
288 |
tim |
1.9 |
try { |
289 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
290 |
|
|
} finally { |
291 |
|
|
joinPool(e); |
292 |
|
|
} |
293 |
dl |
1.8 |
} |
294 |
|
|
|
295 |
|
|
/** |
296 |
|
|
* ThreadPoolExecutor using privilegedThreadFactory has |
297 |
|
|
* specified group, priority, daemon status, name, |
298 |
|
|
* access control context and context class loader |
299 |
|
|
*/ |
300 |
jsr166 |
1.23 |
public void testPrivilegedThreadFactory() throws Exception { |
301 |
dl |
1.14 |
Policy savedPolicy = null; |
302 |
|
|
try { |
303 |
|
|
savedPolicy = Policy.getPolicy(); |
304 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
305 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
306 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
307 |
|
|
Policy.setPolicy(policy); |
308 |
|
|
} catch (AccessControlException ok) { |
309 |
|
|
return; |
310 |
|
|
} |
311 |
tim |
1.9 |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
312 |
|
|
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
313 |
dl |
1.8 |
final AccessControlContext thisacc = AccessController.getContext(); |
314 |
tim |
1.9 |
Runnable r = new Runnable() { |
315 |
|
|
public void run() { |
316 |
jsr166 |
1.25 |
try { |
317 |
|
|
Thread current = Thread.currentThread(); |
318 |
|
|
threadAssertTrue(!current.isDaemon()); |
319 |
|
|
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
320 |
|
|
ThreadGroup g = current.getThreadGroup(); |
321 |
|
|
SecurityManager s = System.getSecurityManager(); |
322 |
|
|
if (s != null) |
323 |
|
|
threadAssertTrue(g == s.getThreadGroup()); |
324 |
|
|
else |
325 |
|
|
threadAssertTrue(g == egroup); |
326 |
|
|
String name = current.getName(); |
327 |
|
|
threadAssertTrue(name.endsWith("thread-1")); |
328 |
|
|
threadAssertTrue(thisccl == current.getContextClassLoader()); |
329 |
|
|
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
330 |
|
|
} catch (SecurityException ok) { |
331 |
|
|
// Also pass if not allowed to change settings |
332 |
|
|
} |
333 |
dl |
1.14 |
} |
334 |
tim |
1.9 |
}; |
335 |
|
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
336 |
jsr166 |
1.20 |
|
337 |
tim |
1.9 |
Policy.setPolicy(savedPolicy); |
338 |
|
|
e.execute(r); |
339 |
dl |
1.14 |
try { |
340 |
|
|
e.shutdown(); |
341 |
jsr166 |
1.21 |
} catch (SecurityException ok) { |
342 |
dl |
1.14 |
} |
343 |
tim |
1.9 |
try { |
344 |
|
|
Thread.sleep(SHORT_DELAY_MS); |
345 |
|
|
} finally { |
346 |
|
|
joinPool(e); |
347 |
|
|
} |
348 |
dl |
1.8 |
} |
349 |
dl |
1.11 |
|
350 |
dl |
1.16 |
void checkCCL() { |
351 |
dl |
1.18 |
SecurityManager sm = System.getSecurityManager(); |
352 |
|
|
if (sm != null) { |
353 |
|
|
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
354 |
jsr166 |
1.19 |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
355 |
dl |
1.18 |
} |
356 |
dl |
1.16 |
} |
357 |
|
|
|
358 |
|
|
class CheckCCL implements Callable<Object> { |
359 |
dl |
1.11 |
public Object call() { |
360 |
dl |
1.16 |
checkCCL(); |
361 |
dl |
1.11 |
return null; |
362 |
|
|
} |
363 |
|
|
} |
364 |
|
|
|
365 |
|
|
|
366 |
|
|
/** |
367 |
|
|
* Without class loader permissions, creating |
368 |
|
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
369 |
|
|
*/ |
370 |
|
|
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
371 |
jsr166 |
1.25 |
Policy savedPolicy = null; |
372 |
dl |
1.14 |
try { |
373 |
|
|
savedPolicy = Policy.getPolicy(); |
374 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
375 |
|
|
Policy.setPolicy(policy); |
376 |
|
|
} catch (AccessControlException ok) { |
377 |
|
|
return; |
378 |
|
|
} |
379 |
|
|
|
380 |
dl |
1.16 |
// Check if program still has too many permissions to run test |
381 |
|
|
try { |
382 |
|
|
checkCCL(); |
383 |
|
|
// too many privileges to test; so return |
384 |
|
|
Policy.setPolicy(savedPolicy); |
385 |
|
|
return; |
386 |
jsr166 |
1.21 |
} catch (AccessControlException ok) { |
387 |
jsr166 |
1.20 |
} |
388 |
dl |
1.16 |
|
389 |
dl |
1.11 |
try { |
390 |
|
|
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
391 |
|
|
shouldThrow(); |
392 |
jsr166 |
1.21 |
} catch (AccessControlException success) { |
393 |
jsr166 |
1.23 |
} finally { |
394 |
dl |
1.11 |
Policy.setPolicy(savedPolicy); |
395 |
|
|
} |
396 |
|
|
} |
397 |
|
|
|
398 |
|
|
/** |
399 |
dl |
1.16 |
* With class loader permissions, calling |
400 |
|
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
401 |
dl |
1.11 |
*/ |
402 |
jsr166 |
1.23 |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
403 |
jsr166 |
1.25 |
Policy savedPolicy = null; |
404 |
dl |
1.14 |
try { |
405 |
|
|
savedPolicy = Policy.getPolicy(); |
406 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
407 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
408 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
409 |
|
|
Policy.setPolicy(policy); |
410 |
|
|
} catch (AccessControlException ok) { |
411 |
|
|
return; |
412 |
|
|
} |
413 |
jsr166 |
1.20 |
|
414 |
dl |
1.11 |
try { |
415 |
|
|
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
416 |
|
|
task.call(); |
417 |
jsr166 |
1.20 |
} |
418 |
dl |
1.11 |
finally { |
419 |
|
|
Policy.setPolicy(savedPolicy); |
420 |
|
|
} |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
/** |
424 |
|
|
* Without permissions, calling privilegedCallable throws ACE |
425 |
|
|
*/ |
426 |
jsr166 |
1.23 |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
427 |
dl |
1.16 |
Callable task; |
428 |
|
|
Policy savedPolicy = null; |
429 |
|
|
AdjustablePolicy policy = null; |
430 |
|
|
AccessControlContext noprivAcc = null; |
431 |
dl |
1.14 |
try { |
432 |
dl |
1.16 |
savedPolicy = Policy.getPolicy(); |
433 |
|
|
policy = new AdjustablePolicy(); |
434 |
dl |
1.14 |
Policy.setPolicy(policy); |
435 |
dl |
1.16 |
noprivAcc = AccessController.getContext(); |
436 |
|
|
task = Executors.privilegedCallable(new CheckCCL()); |
437 |
dl |
1.15 |
Policy.setPolicy(savedPolicy); |
438 |
dl |
1.14 |
} catch (AccessControlException ok) { |
439 |
dl |
1.16 |
return; // program has too few permissions to set up test |
440 |
|
|
} |
441 |
|
|
|
442 |
jsr166 |
1.20 |
// Make sure that program doesn't have too many permissions |
443 |
dl |
1.16 |
try { |
444 |
|
|
AccessController.doPrivileged(new PrivilegedAction() { |
445 |
|
|
public Object run() { |
446 |
|
|
checkCCL(); |
447 |
|
|
return null; |
448 |
|
|
}}, noprivAcc); |
449 |
|
|
// too many permssions; skip test |
450 |
dl |
1.14 |
return; |
451 |
jsr166 |
1.21 |
} catch (AccessControlException ok) { |
452 |
dl |
1.14 |
} |
453 |
|
|
|
454 |
dl |
1.11 |
try { |
455 |
dl |
1.16 |
task.call(); |
456 |
|
|
shouldThrow(); |
457 |
jsr166 |
1.23 |
} catch (AccessControlException success) {} |
458 |
dl |
1.11 |
} |
459 |
|
|
|
460 |
|
|
/** |
461 |
|
|
* With permissions, calling privilegedCallable succeeds |
462 |
|
|
*/ |
463 |
jsr166 |
1.23 |
public void testprivilegedCallableWithPrivs() throws Exception { |
464 |
jsr166 |
1.25 |
Policy savedPolicy = null; |
465 |
dl |
1.14 |
try { |
466 |
|
|
savedPolicy = Policy.getPolicy(); |
467 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
468 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
469 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
470 |
|
|
Policy.setPolicy(policy); |
471 |
|
|
} catch (AccessControlException ok) { |
472 |
|
|
return; |
473 |
|
|
} |
474 |
jsr166 |
1.20 |
|
475 |
dl |
1.11 |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
476 |
|
|
try { |
477 |
|
|
task.call(); |
478 |
|
|
} finally { |
479 |
|
|
Policy.setPolicy(savedPolicy); |
480 |
|
|
} |
481 |
|
|
} |
482 |
|
|
|
483 |
|
|
/** |
484 |
|
|
* callable(Runnable) returns null when called |
485 |
jsr166 |
1.20 |
*/ |
486 |
jsr166 |
1.23 |
public void testCallable1() throws Exception { |
487 |
|
|
Callable c = Executors.callable(new NoOpRunnable()); |
488 |
|
|
assertNull(c.call()); |
489 |
dl |
1.11 |
} |
490 |
|
|
|
491 |
|
|
/** |
492 |
|
|
* callable(Runnable, result) returns result when called |
493 |
jsr166 |
1.20 |
*/ |
494 |
jsr166 |
1.23 |
public void testCallable2() throws Exception { |
495 |
|
|
Callable c = Executors.callable(new NoOpRunnable(), one); |
496 |
jsr166 |
1.27 |
assertSame(one, c.call()); |
497 |
dl |
1.11 |
} |
498 |
|
|
|
499 |
|
|
/** |
500 |
|
|
* callable(PrivilegedAction) returns its result when called |
501 |
jsr166 |
1.20 |
*/ |
502 |
jsr166 |
1.23 |
public void testCallable3() throws Exception { |
503 |
|
|
Callable c = Executors.callable(new PrivilegedAction() { |
504 |
|
|
public Object run() { return one; }}); |
505 |
jsr166 |
1.27 |
assertSame(one, c.call()); |
506 |
dl |
1.11 |
} |
507 |
|
|
|
508 |
|
|
/** |
509 |
|
|
* callable(PrivilegedExceptionAction) returns its result when called |
510 |
jsr166 |
1.20 |
*/ |
511 |
jsr166 |
1.23 |
public void testCallable4() throws Exception { |
512 |
|
|
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
513 |
|
|
public Object run() { return one; }}); |
514 |
jsr166 |
1.27 |
assertSame(one, c.call()); |
515 |
dl |
1.11 |
} |
516 |
|
|
|
517 |
|
|
|
518 |
|
|
/** |
519 |
|
|
* callable(null Runnable) throws NPE |
520 |
jsr166 |
1.20 |
*/ |
521 |
dl |
1.11 |
public void testCallableNPE1() { |
522 |
|
|
try { |
523 |
jsr166 |
1.23 |
Callable c = Executors.callable((Runnable) null); |
524 |
|
|
shouldThrow(); |
525 |
|
|
} catch (NullPointerException success) {} |
526 |
dl |
1.11 |
} |
527 |
|
|
|
528 |
|
|
/** |
529 |
|
|
* callable(null, result) throws NPE |
530 |
jsr166 |
1.20 |
*/ |
531 |
dl |
1.11 |
public void testCallableNPE2() { |
532 |
|
|
try { |
533 |
jsr166 |
1.23 |
Callable c = Executors.callable((Runnable) null, one); |
534 |
|
|
shouldThrow(); |
535 |
|
|
} catch (NullPointerException success) {} |
536 |
dl |
1.11 |
} |
537 |
|
|
|
538 |
|
|
/** |
539 |
|
|
* callable(null PrivilegedAction) throws NPE |
540 |
jsr166 |
1.20 |
*/ |
541 |
dl |
1.11 |
public void testCallableNPE3() { |
542 |
|
|
try { |
543 |
jsr166 |
1.23 |
Callable c = Executors.callable((PrivilegedAction) null); |
544 |
|
|
shouldThrow(); |
545 |
|
|
} catch (NullPointerException success) {} |
546 |
dl |
1.11 |
} |
547 |
|
|
|
548 |
|
|
/** |
549 |
|
|
* callable(null PrivilegedExceptionAction) throws NPE |
550 |
jsr166 |
1.20 |
*/ |
551 |
dl |
1.11 |
public void testCallableNPE4() { |
552 |
|
|
try { |
553 |
jsr166 |
1.23 |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
554 |
|
|
shouldThrow(); |
555 |
|
|
} catch (NullPointerException success) {} |
556 |
dl |
1.11 |
} |
557 |
|
|
|
558 |
dl |
1.1 |
|
559 |
|
|
} |