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root/jsr166/jsr166/src/test/tck/FutureTaskTest.java

Comparing jsr166/src/test/tck/FutureTaskTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.22 by jsr166, Sun Nov 28 20:20:00 2010 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.concurrent.*;
11	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
12	+	import static java.util.concurrent.TimeUnit.SECONDS;
13		import java.util.*;
14
15		public class FutureTaskTest extends JSR166TestCase {
16
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run(suite());
19		}
20		public static Test suite() {
21	<	return new TestSuite(FutureTaskTest.class);
21	>	return new TestSuite(FutureTaskTest.class);
22	>	}
23	>
24	>	void checkNotDone(Future<?> f) {
25	>	assertFalse(f.isDone());
26	>	assertFalse(f.isCancelled());
27	>	}
28	>
29	>	<T> void checkCompletedNormally(Future<T> f, T expected) {
30	>	assertTrue(f.isDone());
31	>	assertFalse(f.isCancelled());
32	>
33	>	try {
34	>	assertSame(expected, f.get());
35	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
36	>	try {
37	>	assertSame(expected, f.get(5L, SECONDS));
38	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
39	>
40	>	assertFalse(f.cancel(false));
41	>	assertFalse(f.cancel(true));
42	>	}
43	>
44	>	void checkCancelled(Future<?> f) {
45	>	assertTrue(f.isDone());
46	>	assertTrue(f.isCancelled());
47	>
48	>	try {
49	>	f.get();
50	>	shouldThrow();
51	>	} catch (CancellationException success) {
52	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
53	>
54	>	try {
55	>	f.get(5L, SECONDS);
56	>	shouldThrow();
57	>	} catch (CancellationException success) {
58	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
59	>
60	>	assertFalse(f.cancel(false));
61	>	assertFalse(f.cancel(true));
62	>	}
63	>
64	>	void checkCompletedAbnormally(Future<?> f, Throwable t) {
65	>	assertTrue(f.isDone());
66	>	assertFalse(f.isCancelled());
67	>
68	>	try {
69	>	f.get();
70	>	shouldThrow();
71	>	} catch (ExecutionException success) {
72	>	assertSame(t, success.getCause());
73	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
74	>
75	>	try {
76	>	f.get(5L, SECONDS);
77	>	shouldThrow();
78	>	} catch (ExecutionException success) {
79	>	assertSame(t, success.getCause());
80	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	>
82	>	assertFalse(f.cancel(false));
83	>	assertFalse(f.cancel(true));
84		}
85
86		/**
87		* Subclass to expose protected methods
88		*/
89	<	static class MyFutureTask extends FutureTask {
90	<	public MyFutureTask(Callable r) { super(r); }
91	<	public boolean reset() { return super.reset(); }
27	<	public void setCancelled() { super.setCancelled(); }
28	<	public void setDone() { super.setDone(); }
89	>	static class PublicFutureTask extends FutureTask {
90	>	public PublicFutureTask(Callable r) { super(r); }
91	>	public boolean runAndReset() { return super.runAndReset(); }
92		public void set(Object x) { super.set(x); }
93		public void setException(Throwable t) { super.setException(t); }
94		}
95
96		/**
97	<	*
97	>	* Creating a future with a null callable throws NPE
98		*/
99		public void testConstructor() {
100		try {
101		FutureTask task = new FutureTask(null);
102		shouldThrow();
103	<	}
41	<	catch(NullPointerException success) {
42	<	}
103	>	} catch (NullPointerException success) {}
104		}
105
106		/**
107	<	*
107	>	* creating a future with null runnable fails
108		*/
109		public void testConstructor2() {
110		try {
111		FutureTask task = new FutureTask(null, Boolean.TRUE);
112		shouldThrow();
113	<	}
53	<	catch(NullPointerException success) {
54	<	}
113	>	} catch (NullPointerException success) {}
114		}
115
116		/**
117	<	*
117	>	* isDone is true when a task completes
118		*/
119		public void testIsDone() {
120	<	FutureTask task = new FutureTask( new NoOpCallable());
121	<	task.run();
122	<	assertTrue(task.isDone());
123	<	assertFalse(task.isCancelled());
120	>	FutureTask task = new FutureTask(new NoOpCallable());
121	>	task.run();
122	>	assertTrue(task.isDone());
123	>	checkCompletedNormally(task, Boolean.TRUE);
124		}
125
126		/**
127	<	*
127	>	* runAndReset of a non-cancelled task succeeds
128		*/
129	<	public void testReset() {
130	<	MyFutureTask task = new MyFutureTask(new NoOpCallable());
131	<	task.run();
132	<	assertTrue(task.isDone());
74	<	assertTrue(task.reset());
129	>	public void testRunAndReset() {
130	>	PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
131	>	assertTrue(task.runAndReset());
132	>	checkNotDone(task);
133		}
134
135		/**
136	<	*
136	>	* runAndReset after cancellation fails
137		*/
138		public void testResetAfterCancel() {
139	<	MyFutureTask task = new MyFutureTask(new NoOpCallable());
139	>	PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
140		assertTrue(task.cancel(false));
141	<	task.run();
142	<	assertTrue(task.isDone());
85	<	assertTrue(task.isCancelled());
86	<	assertFalse(task.reset());
87	<	}
88	<
89	<	/**
90	<	*
91	<	*/
92	<	public void testSetDone() {
93	<	MyFutureTask task = new MyFutureTask(new NoOpCallable());
94	<	task.setDone();
95	<	assertTrue(task.isDone());
96	<	assertFalse(task.isCancelled());
141	>	assertFalse(task.runAndReset());
142	>	checkCancelled(task);
143		}
144
99	–	/**
100	–	*
101	–	*/
102	–	public void testSetCancelled() {
103	–	MyFutureTask task = new MyFutureTask(new NoOpCallable());
104	–	assertTrue(task.cancel(false));
105	–	task.setCancelled();
106	–	assertTrue(task.isDone());
107	–	assertTrue(task.isCancelled());
108	–	}
145
146		/**
147	<	*
147	>	* setting value causes get to return it
148		*/
149	<	public void testSet() {
150	<	MyFutureTask task = new MyFutureTask(new NoOpCallable());
149	>	public void testSet() throws Exception {
150	>	PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
151		task.set(one);
152	<	try {
153	<	assertEquals(task.get(), one);
118	<	}
119	<	catch(Exception e) {
120	<	unexpectedException();
121	<	}
152	>	assertSame(task.get(), one);
153	>	checkCompletedNormally(task, one);
154		}
155
156		/**
157	<	*
157	>	* setException causes get to throw ExecutionException
158		*/
159	<	public void testSetException() {
159	>	public void testSetException() throws Exception {
160		Exception nse = new NoSuchElementException();
161	<	MyFutureTask task = new MyFutureTask(new NoOpCallable());
161	>	PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
162		task.setException(nse);
163		try {
164		Object x = task.get();
165		shouldThrow();
166	<	}
167	<	catch(ExecutionException ee) {
168	<	Throwable cause = ee.getCause();
137	<	assertEquals(cause, nse);
138	<	}
139	<	catch(Exception e) {
140	<	unexpectedException();
166	>	} catch (ExecutionException success) {
167	>	assertSame(success.getCause(), nse);
168	>	checkCompletedAbnormally(task, nse);
169		}
170		}
171
172		/**
173	<	*
173	>	* Cancelling before running succeeds
174		*/
175		public void testCancelBeforeRun() {
176	<	FutureTask task = new FutureTask( new NoOpCallable());
176	>	FutureTask task = new FutureTask(new NoOpCallable());
177		assertTrue(task.cancel(false));
178	<	task.run();
179	<	assertTrue(task.isDone());
152	<	assertTrue(task.isCancelled());
178	>	task.run();
179	>	checkCancelled(task);
180		}
181
182		/**
183	<	*
183	>	* Cancel(true) before run succeeds
184		*/
185		public void testCancelBeforeRun2() {
186	<	FutureTask task = new FutureTask( new NoOpCallable());
186	>	FutureTask task = new FutureTask(new NoOpCallable());
187		assertTrue(task.cancel(true));
188	<	task.run();
189	<	assertTrue(task.isDone());
163	<	assertTrue(task.isCancelled());
188	>	task.run();
189	>	checkCancelled(task);
190		}
191
192		/**
193	<	*
193	>	* cancel of a completed task fails
194		*/
195		public void testCancelAfterRun() {
196	<	FutureTask task = new FutureTask( new NoOpCallable());
197	<	task.run();
196	>	FutureTask task = new FutureTask(new NoOpCallable());
197	>	task.run();
198		assertFalse(task.cancel(false));
199	<	assertTrue(task.isDone());
174	<	assertFalse(task.isCancelled());
199	>	checkCompletedNormally(task, Boolean.TRUE);
200		}
201
202		/**
203	<	*
203	>	* cancel(true) interrupts a running task
204		*/
205	<	public void testCancelInterrupt() {
206	<	FutureTask task = new FutureTask( new Callable() {
207	<	public Object call() {
208	<	try {
209	<	Thread.sleep(MEDIUM_DELAY_MS);
210	<	threadShouldThrow();
205	>	public void testCancelInterrupt() throws InterruptedException {
206	>	final CountDownLatch threadStarted = new CountDownLatch(1);
207	>	final FutureTask task =
208	>	new FutureTask(new CheckedCallable<Object>() {
209	>	public Object realCall() {
210	>	threadStarted.countDown();
211	>	long t0 = System.nanoTime();
212	>	for (;;) {
213	>	if (Thread.interrupted())
214	>	return Boolean.TRUE;
215	>	if (millisElapsedSince(t0) > MEDIUM_DELAY_MS)
216	>	fail("interrupt not delivered");
217	>	Thread.yield();
218		}
219	<	catch (InterruptedException success) {}
220	<	return Boolean.TRUE;
221	<	} });
222	<	Thread t = new  Thread(task);
223	<	t.start();
224	<
225	<	try {
226	<	Thread.sleep(SHORT_DELAY_MS);
195	<	assertTrue(task.cancel(true));
196	<	t.join();
197	<	assertTrue(task.isDone());
198	<	assertTrue(task.isCancelled());
199	<	} catch(InterruptedException e){
200	<	unexpectedException();
201	<	}
219	>	}});
220	>
221	>	Thread t = newStartedThread(task);
222	>	threadStarted.await();
223	>	assertTrue(task.cancel(true));
224	>	checkCancelled(task);
225	>	awaitTermination(t, MEDIUM_DELAY_MS);
226	>	checkCancelled(task);
227		}
228
229	+	/**
230	+	* cancel(false) does not interrupt a running task
231	+	*/
232	+	public void testCancelNoInterrupt() throws InterruptedException {
233	+	final CountDownLatch threadStarted = new CountDownLatch(1);
234	+	final CountDownLatch cancelled = new CountDownLatch(1);
235	+	final FutureTask<Boolean> task =
236	+	new FutureTask<Boolean>(new CheckedCallable<Boolean>() {
237	+	public Boolean realCall() throws InterruptedException {
238	+	threadStarted.countDown();
239	+	cancelled.await(MEDIUM_DELAY_MS, MILLISECONDS);
240	+	assertFalse(Thread.interrupted());
241	+	return Boolean.TRUE;
242	+	}});
243	+
244	+	Thread t = newStartedThread(task);
245	+	threadStarted.await();
246	+	assertTrue(task.cancel(false));
247	+	checkCancelled(task);
248	+	cancelled.countDown();
249	+	awaitTermination(t, MEDIUM_DELAY_MS);
250	+	checkCancelled(task);
251	+	}
252
253		/**
254	<	*
254	>	* set in one thread causes get in another thread to retrieve value
255		*/
256	<	public void testCancelNoInterrupt() {
257	<	FutureTask task = new FutureTask( new Callable() {
258	<	public Object call() {
259	<	try {
212	<	Thread.sleep(MEDIUM_DELAY_MS);
213	<	}
214	<	catch (InterruptedException success) {
215	<	threadFail("should not interrupt");
216	<	}
256	>	public void testGet1() throws InterruptedException {
257	>	final FutureTask task =
258	>	new FutureTask(new CheckedCallable<Object>() {
259	>	public Object realCall() throws InterruptedException {
260		return Boolean.TRUE;
261	<	} });
262	<	Thread t = new  Thread(task);
263	<	t.start();
264	<
265	<	try {
266	<	Thread.sleep(SHORT_DELAY_MS);
267	<	assertTrue(task.cancel(false));
268	<	t.join();
269	<	assertTrue(task.isDone());
270	<	assertTrue(task.isCancelled());
271	<	} catch(InterruptedException e){
229	<	unexpectedException();
230	<	}
261	>	}});
262	>	checkNotDone(task);
263	>
264	>	Thread t = newStartedThread(new CheckedRunnable() {
265	>	public void realRun() throws Exception {
266	>	assertSame(Boolean.TRUE, task.get());
267	>	}});
268	>
269	>	task.run();
270	>	checkCompletedNormally(task, Boolean.TRUE);
271	>	awaitTermination(t, MEDIUM_DELAY_MS);
272		}
273
274		/**
275	<	*
275	>	* set in one thread causes timed get in another thread to retrieve value
276		*/
277	<	public void testGet1() {
278	<	final FutureTask ft = new FutureTask(new Callable() {
279	<	public Object call() {
280	<	try {
240	<	Thread.sleep(MEDIUM_DELAY_MS);
241	<	} catch(InterruptedException e){
242	<	threadUnexpectedException();
243	<	}
277	>	public void testTimedGet1() throws InterruptedException {
278	>	final FutureTask task =
279	>	new FutureTask(new CheckedCallable<Object>() {
280	>	public Object realCall() throws InterruptedException {
281		return Boolean.TRUE;
282	<	}
283	<	});
284	<	Thread t = new Thread(new Runnable() {
285	<	public void run() {
286	<	try {
287	<	ft.get();
288	<	} catch(Exception e){
289	<	threadUnexpectedException();
290	<	}
291	<	}
292	<	});
256	<	try {
257	<	assertFalse(ft.isDone());
258	<	assertFalse(ft.isCancelled());
259	<	t.start();
260	<	Thread.sleep(SHORT_DELAY_MS);
261	<	ft.run();
262	<	t.join();
263	<	assertTrue(ft.isDone());
264	<	assertFalse(ft.isCancelled());
265	<	} catch(InterruptedException e){
266	<	unexpectedException();
267	<
268	<	}
282	>	}});
283	>	checkNotDone(task);
284	>
285	>	Thread t = newStartedThread(new CheckedRunnable() {
286	>	public void realRun() throws Exception {
287	>	assertSame(Boolean.TRUE, task.get(SMALL_DELAY_MS, MILLISECONDS));
288	>	}});
289	>
290	>	task.run();
291	>	checkCompletedNormally(task, Boolean.TRUE);
292	>	awaitTermination(t, MEDIUM_DELAY_MS);
293		}
294
295		/**
296	<	*
297	<	*/
298	<	public void testTimedGet1() {
299	<	final FutureTask ft = new FutureTask(new Callable() {
300	<	public Object call() {
301	<	try {
302	<	Thread.sleep(MEDIUM_DELAY_MS);
303	<	} catch(InterruptedException e){
304	<	threadUnexpectedException();
305	<	}
296	>	* Cancelling a task causes timed get in another thread to throw
297	>	* CancellationException
298	>	*/
299	>	public void testTimedGet_Cancellation() throws InterruptedException {
300	>	final CountDownLatch threadStarted = new CountDownLatch(2);
301	>	final FutureTask task =
302	>	new FutureTask(new CheckedInterruptedCallable<Object>() {
303	>	public Object realCall() throws InterruptedException {
304	>	threadStarted.countDown();
305	>	Thread.sleep(LONG_DELAY_MS);
306		return Boolean.TRUE;
307	<	}
284	<	});
285	<	Thread t = new Thread(new Runnable() {
286	<	public void run() {
287	<	try {
288	<	ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
289	<	} catch(TimeoutException success) {
290	<	} catch(Exception e){
291	<	threadUnexpectedException();
292	<	}
293	<	}
294	<	});
295	<	try {
296	<	assertFalse(ft.isDone());
297	<	assertFalse(ft.isCancelled());
298	<	t.start();
299	<	ft.run();
300	<	t.join();
301	<	assertTrue(ft.isDone());
302	<	assertFalse(ft.isCancelled());
303	<	} catch(InterruptedException e){
304	<	unexpectedException();
305	<
306	<	}
307	<	}
307	>	}});
308
309	+	Thread t1 = new ThreadShouldThrow(CancellationException.class) {
310	+	public void realRun() throws Exception {
311	+	threadStarted.countDown();
312	+	task.get(MEDIUM_DELAY_MS, MILLISECONDS);
313	+	}};
314	+	Thread t2 = new Thread(task);
315	+	t1.start();
316	+	t2.start();
317	+	threadStarted.await();
318	+	task.cancel(true);
319	+	awaitTermination(t1, MEDIUM_DELAY_MS);
320	+	awaitTermination(t2, MEDIUM_DELAY_MS);
321	+	checkCancelled(task);
322	+	}
323
324		/**
325	<	*
326	<	*/
327	<	public void testGet_Cancellation() {
328	<	final FutureTask ft = new FutureTask(new Callable() {
329	<	public Object call() {
330	<	try {
331	<	Thread.sleep(MEDIUM_DELAY_MS);
332	<	} catch(InterruptedException e){
333	<	threadUnexpectedException();
334	<	}
325	>	* Cancelling a task causes get in another thread to throw
326	>	* CancellationException
327	>	*/
328	>	public void testGet_Cancellation() throws InterruptedException {
329	>	final CountDownLatch threadStarted = new CountDownLatch(2);
330	>	final FutureTask task =
331	>	new FutureTask(new CheckedInterruptedCallable<Object>() {
332	>	public Object realCall() throws InterruptedException {
333	>	threadStarted.countDown();
334	>	Thread.sleep(LONG_DELAY_MS);
335		return Boolean.TRUE;
336	<	}
337	<	});
338	<	try {
339	<	Thread.sleep(SHORT_DELAY_MS);
340	<	Thread t = new Thread(new Runnable() {
341	<	public void run() {
342	<	try {
343	<	ft.get();
344	<	threadShouldThrow();
345	<	} catch(CancellationException success){
346	<	}
347	<	catch(Exception e){
348	<	threadUnexpectedException();
349	<	}
350	<	}
337	<	});
338	<	t.start();
339	<	ft.cancel(true);
340	<	t.join();
341	<	} catch(InterruptedException success){
342	<	unexpectedException();
343	<	}
336	>	}});
337	>
338	>	Thread t1 = new ThreadShouldThrow(CancellationException.class) {
339	>	public void realRun() throws Exception {
340	>	threadStarted.countDown();
341	>	task.get();
342	>	}};
343	>	Thread t2 = new Thread(task);
344	>	t1.start();
345	>	t2.start();
346	>	threadStarted.await();
347	>	task.cancel(true);
348	>	awaitTermination(t1, MEDIUM_DELAY_MS);
349	>	awaitTermination(t2, MEDIUM_DELAY_MS);
350	>	checkCancelled(task);
351		}
352	<
352	>
353	>
354		/**
355	<	*
356	<	*/
357	<	public void testGet_Cancellation2() {
358	<	final FutureTask ft = new FutureTask(new Callable() {
359	<	public Object call() {
360	<	try {
361	<	Thread.sleep(SHORT_DELAY_MS);
362	<	} catch(InterruptedException e) {
363	<	threadUnexpectedException();
364	<	}
365	<	return Boolean.TRUE;
366	<	}
367	<	});
368	<	try {
369	<	Thread.sleep(SHORT_DELAY_MS);
362	<	Thread t = new Thread(new Runnable() {
363	<	public void run() {
364	<	try {
365	<	ft.get(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
366	<	threadShouldThrow();
367	<	} catch(CancellationException success) {}
368	<	catch(Exception e){
369	<	threadUnexpectedException();
370	<	}
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	<	} catch(InterruptedException ie){
379	<	unexpectedException();
355	>	* A runtime exception in task causes get to throw ExecutionException
356	>	*/
357	>	public void testGet_ExecutionException() throws InterruptedException {
358	>	final FutureTask task = new FutureTask(new Callable() {
359	>	public Object call() {
360	>	return 5/0;
361	>	}});
362	>
363	>	task.run();
364	>	try {
365	>	task.get();
366	>	shouldThrow();
367	>	} catch (ExecutionException success) {
368	>	assertTrue(success.getCause() instanceof ArithmeticException);
369	>	checkCompletedAbnormally(task, success.getCause());
370		}
371		}
372
373		/**
374	<	*
374	>	* A runtime exception in task causes timed get to throw ExecutionException
375		*/
376	<	public void testGet_ExecutionException() {
377	<	final FutureTask ft = new FutureTask(new Callable() {
378	<	public Object call() {
379	<	int i = 5/0;
380	<	return Boolean.TRUE;
381	<	}
382	<	});
393	<	try {
394	<	ft.run();
395	<	ft.get();
396	<	shouldThrow();
397	<	} catch(ExecutionException success){
398	<	}
399	<	catch(Exception e){
400	<	unexpectedException();
401	<	}
402	<	}
403	<
404	<	/**
405	<	*
406	<	*/
407	<	public void testTimedGet_ExecutionException2() {
408	<	final FutureTask ft = new FutureTask(new Callable() {
409	<	public Object call() {
410	<	int i = 5/0;
411	<	return Boolean.TRUE;
412	<	}
413	<	});
414	<	try {
415	<	ft.run();
416	<	ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
417	<	shouldThrow();
418	<	} catch(ExecutionException success) {
419	<	} catch(TimeoutException success) { } // unlikely but OK
420	<	catch(Exception e){
421	<	unexpectedException();
422	<	}
423	<	}
424	<
425	<
426	<	/**
427	<	*
428	<	*/
429	<	public void testGet_InterruptedException() {
430	<	final FutureTask ft = new FutureTask(new NoOpCallable());
431	<	Thread t = new Thread(new Runnable() {
432	<	public void run() {
433	<	try {
434	<	ft.get();
435	<	threadShouldThrow();
436	<	} catch(InterruptedException success){
437	<	} catch(Exception e){
438	<	threadUnexpectedException();
439	<	}
440	<	}
441	<	});
376	>	public void testTimedGet_ExecutionException2() throws Exception {
377	>	final FutureTask task = new FutureTask(new Callable() {
378	>	public Object call() {
379	>	return 5/0;
380	>	}});
381	>
382	>	task.run();
383		try {
384	<	t.start();
385	<	Thread.sleep(SHORT_DELAY_MS);
386	<	t.interrupt();
387	<	t.join();
388	<	} catch(Exception e){
448	<	unexpectedException();
384	>	task.get(SHORT_DELAY_MS, MILLISECONDS);
385	>	shouldThrow();
386	>	} catch (ExecutionException success) {
387	>	assertTrue(success.getCause() instanceof ArithmeticException);
388	>	checkCompletedAbnormally(task, success.getCause());
389		}
390		}
391
392	+
393	+	/**
394	+	* Interrupting a waiting get causes it to throw InterruptedException
395	+	*/
396	+	public void testGet_InterruptedException() throws InterruptedException {
397	+	final CountDownLatch threadStarted = new CountDownLatch(1);
398	+	final FutureTask task = new FutureTask(new NoOpCallable());
399	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
400	+	public void realRun() throws Exception {
401	+	threadStarted.countDown();
402	+	task.get();
403	+	}});
404	+
405	+	threadStarted.await();
406	+	t.interrupt();
407	+	awaitTermination(t, MEDIUM_DELAY_MS);
408	+	checkNotDone(task);
409	+	}
410	+
411		/**
412	<	*
412	>	* Interrupting a waiting timed get causes it to throw InterruptedException
413		*/
414	<	public void testTimedGet_InterruptedException2() {
415	<	final FutureTask ft = new FutureTask(new NoOpCallable());
416	<	Thread t = new Thread(new Runnable() {
417	<	public void run() {
418	<	try {
419	<	ft.get(LONG_DELAY_MS,TimeUnit.MILLISECONDS);
420	<	threadShouldThrow();
421	<	} catch(InterruptedException success){}
422	<	catch(Exception e){
423	<	threadUnexpectedException();
424	<	}
425	<	}
426	<	});
468	<	try {
469	<	t.start();
470	<	Thread.sleep(SHORT_DELAY_MS);
471	<	t.interrupt();
472	<	t.join();
473	<	} catch(Exception e){
474	<	unexpectedException();
475	<	}
414	>	public void testTimedGet_InterruptedException2() throws InterruptedException {
415	>	final CountDownLatch threadStarted = new CountDownLatch(1);
416	>	final FutureTask task = new FutureTask(new NoOpCallable());
417	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
418	>	public void realRun() throws Exception {
419	>	threadStarted.countDown();
420	>	task.get(LONG_DELAY_MS, MILLISECONDS);
421	>	}});
422	>
423	>	threadStarted.await();
424	>	t.interrupt();
425	>	awaitTermination(t, MEDIUM_DELAY_MS);
426	>	checkNotDone(task);
427		}
428	<
428	>
429		/**
430	<	*
430	>	* A timed out timed get throws TimeoutException
431		*/
432	<	public void testGet_TimeoutException() {
433	<	try {
434	<	FutureTask ft = new FutureTask(new NoOpCallable());
435	<	ft.get(1,TimeUnit.MILLISECONDS);
436	<	shouldThrow();
437	<	} catch(TimeoutException success){}
487	<	catch(Exception success){
488	<	unexpectedException();
489	<	}
432	>	public void testGet_TimeoutException() throws Exception {
433	>	try {
434	>	FutureTask task = new FutureTask(new NoOpCallable());
435	>	task.get(1, MILLISECONDS);
436	>	shouldThrow();
437	>	} catch (TimeoutException success) {}
438		}
439	<
439	>
440		}

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