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

Comparing jsr166/src/test/tck/ExecutorsTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:07 2003 UTC vs.
Revision 1.10 by tim, Wed Dec 10 01:51:12 2003 UTC

#	Line 10 | Line 10 | import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12		import java.math.BigInteger;
13	+	import java.security.*;
14
15		public class ExecutorsTest extends JSR166TestCase{
15	–
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ExecutorsTest.class);
21	<	}
22	<
23	<	private static final String TEST_STRING = "a test string";
24	<
25	<	private static class MyTask implements Runnable {
26	<	public void run() { completed = true; }
27	<	public boolean isCompleted() { return completed; }
28	<	public void reset() { completed = false; }
29	<	private boolean completed = false;
30	<	}
31	<
32	<	private static class StringTask implements Callable<String> {
33	<	public String call() { return TEST_STRING; }
34	<	}
35	<
36	<	static class DirectExecutor implements Executor {
37	<	public void execute(Runnable r) {
38	<	r.run();
39	<	}
20	>	return new TestSuite(ExecutorsTest.class);
21		}
22
23		static class TimedCallable<T> implements Callable<T> {
24	<	private final Executor exec;
24	>	private final ExecutorService exec;
25		private final Callable<T> func;
26		private final long msecs;
27
28	<	TimedCallable(Executor exec, Callable<T> func, long msecs) {
28	>	TimedCallable(ExecutorService exec, Callable<T> func, long msecs) {
29		this.exec = exec;
30		this.func = func;
31		this.msecs = msecs;
32		}
33
34		public T call() throws Exception {
35	<	Future<T> ftask = Executors.execute(exec, func);
35	>	Future<T> ftask = exec.submit(func);
36		try {
37		return ftask.get(msecs, TimeUnit.MILLISECONDS);
38		} finally {
#	Line 79 | Line 60 | public class ExecutorsTest extends JSR16
60		}
61		};
62
82	–
83	–
63		/**
64	<	*   execute(Executor, Runnable) will throw
86	<	*  RejectedExecutionException Attempting to execute a runnable on
87	<	*  a full ThreadPool will cause such an exception here, up to 5
88	<	*  runnables are attempted on a pool capable on handling one
89	<	*  until it throws an exception
64	>	* A newCachedThreadPool can execute runnables
65		*/
66	<	public void testExecute1() {
67	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
68	<	try {
69	<
70	<	for(int i = 0; i < 5; ++i){
71	<	Executors.execute(p, new MediumRunnable(), Boolean.TRUE);
97	<	}
98	<	shouldThrow();
99	<	} catch(RejectedExecutionException success){}
100	<	joinPool(p);
66	>	public void testNewCachedThreadPool1() {
67	>	ExecutorService e = Executors.newCachedThreadPool();
68	>	e.execute(new NoOpRunnable());
69	>	e.execute(new NoOpRunnable());
70	>	e.execute(new NoOpRunnable());
71	>	e.shutdown();
72		}
73
74		/**
75	<	*   execute(Executor, Callable) will throw
105	<	*  RejectedExecutionException Attempting to execute a callable on
106	<	*  a full ThreadPool will cause such an exception here, up to 5
107	<	*  runnables are attempted on a pool capable on handling one
108	<	*  until it throws an exception
75	>	* A newCachedThreadPool with given ThreadFactory can execute runnables
76		*/
77	<	public void testExecute2() {
78	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
79	<	try {
80	<	for(int i = 0; i < 5; ++i) {
81	<	Executors.execute(p, new SmallCallable());
82	<	}
116	<	shouldThrow();
117	<	} catch(RejectedExecutionException e){}
118	<	joinPool(p);
77	>	public void testNewCachedThreadPool2() {
78	>	ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
79	>	e.execute(new NoOpRunnable());
80	>	e.execute(new NoOpRunnable());
81	>	e.execute(new NoOpRunnable());
82	>	e.shutdown();
83		}
84
121	–
85		/**
86	<	*   invoke(Executor, Runnable) throws InterruptedException
124	<	*  A single use of invoke starts that will wait long enough
125	<	*  for the invoking thread to be interrupted
86	>	* A newCachedThreadPool with null ThreadFactory throws NPE
87		*/
88	<	public void testInvoke2() {
128	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129	<	Thread t = new Thread(new Runnable() {
130	<	public void run() {
131	<	try {
132	<	Executors.invoke(p,new Runnable() {
133	<	public void run() {
134	<	try {
135	<	Thread.sleep(MEDIUM_DELAY_MS);
136	<	shouldThrow();
137	<	} catch(InterruptedException e){
138	<	}
139	<	}
140	<	});
141	<	} catch(InterruptedException success){
142	<	} catch(Exception e) {
143	<	unexpectedException();
144	<	}
145	<
146	<	}
147	<	});
88	>	public void testNewCachedThreadPool3() {
89		try {
90	<	t.start();
91	<	Thread.sleep(SHORT_DELAY_MS);
92	<	t.interrupt();
93	<	} catch(Exception e){
153	<	unexpectedException();
90	>	ExecutorService e = Executors.newCachedThreadPool(null);
91	>	shouldThrow();
92	>	}
93	>	catch(NullPointerException success) {
94		}
155	–	joinPool(p);
95		}
96
97	+
98		/**
99	<	*   invoke(Executor, Runnable) will throw
160	<	*  ExecutionException An ExecutionException occurs when the
161	<	*  underlying Runnable throws an exception, here the
162	<	*  DivideByZeroException will cause an ExecutionException
99	>	* A new SingleThreadExecutor can execute runnables
100		*/
101	<	public void testInvoke3() {
102	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
103	<	try {
104	<	Runnable r = new Runnable() {
105	<	public void run() {
106	<	int i = 5/0;
170	<	}
171	<	};
172	<
173	<	for(int i =0; i < 5; i++){
174	<	Executors.invoke(p,r);
175	<	}
176	<
177	<	shouldThrow();
178	<	} catch(ExecutionException success){
179	<	} catch(Exception e){
180	<	unexpectedException();
181	<	}
182	<	joinPool(p);
101	>	public void testNewSingleThreadExecutor1() {
102	>	ExecutorService e = Executors.newSingleThreadExecutor();
103	>	e.execute(new NoOpRunnable());
104	>	e.execute(new NoOpRunnable());
105	>	e.execute(new NoOpRunnable());
106	>	e.shutdown();
107		}
108
185	–
186	–
109		/**
110	<	*   invoke(Executor, Callable) throws
189	<	*  InterruptedException A single use of invoke starts that will
190	<	*  wait long enough for the invoking thread to be interrupted
110	>	* A new SingleThreadExecutor with given ThreadFactory can execute runnables
111		*/
112	<	public void testInvoke5() {
113	<	final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
114	<
115	<	final Callable c = new Callable() {
116	<	public Object call() {
117	<	try {
198	<	Executors.invoke(p, new SmallCallable());
199	<	shouldThrow();
200	<	} catch(InterruptedException e){}
201	<	catch(RejectedExecutionException e2){}
202	<	catch(ExecutionException e3){}
203	<	return Boolean.TRUE;
204	<	}
205	<	};
206	<
207	<
208	<
209	<	Thread t = new Thread(new Runnable() {
210	<	public void run() {
211	<	try {
212	<	c.call();
213	<	} catch(Exception e){}
214	<	}
215	<	});
216	<	try {
217	<	t.start();
218	<	Thread.sleep(SHORT_DELAY_MS);
219	<	t.interrupt();
220	<	t.join();
221	<	} catch(InterruptedException e){
222	<	unexpectedException();
223	<	}
224	<
225	<	joinPool(p);
112	>	public void testNewSingleThreadExecutor2() {
113	>	ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
114	>	e.execute(new NoOpRunnable());
115	>	e.execute(new NoOpRunnable());
116	>	e.execute(new NoOpRunnable());
117	>	e.shutdown();
118		}
119
120		/**
121	<	*   invoke(Executor, Callable) will throw ExecutionException
230	<	*  An ExecutionException occurs when the underlying Runnable throws
231	<	*  an exception, here the DivideByZeroException will cause an ExecutionException
121	>	* A new SingleThreadExecutor with null ThreadFactory throws NPE
122		*/
123	<	public void testInvoke6() {
234	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
235	<
123	>	public void testNewSingleThreadExecutor3() {
124		try {
125	<	Callable c = new Callable() {
238	<	public Object call() {
239	<	int i = 5/0;
240	<	return Boolean.TRUE;
241	<	}
242	<	};
243	<
244	<	for(int i =0; i < 5; i++){
245	<	Executors.invoke(p,c);
246	<	}
247	<
125	>	ExecutorService e = Executors.newSingleThreadExecutor(null);
126		shouldThrow();
127	<	} catch(RejectedExecutionException e){}
128	<	catch(InterruptedException e2){}
129	<	catch(ExecutionException e3){}
252	<	joinPool(p);
127	>	}
128	>	catch(NullPointerException success) {
129	>	}
130		}
131
132		/**
133	<	*
133	>	* A new newFixedThreadPool can execute runnables
134		*/
135	<	public void testExecuteRunnable () {
136	<	try {
137	<	Executor e = new DirectExecutor();
138	<	MyTask task = new MyTask();
139	<	assertFalse(task.isCompleted());
140	<	Future<String> future = Executors.execute(e, task, TEST_STRING);
264	<	String result = future.get();
265	<	assertTrue(task.isCompleted());
266	<	assertSame(TEST_STRING, result);
267	<	}
268	<	catch (ExecutionException ex) {
269	<	unexpectedException();
270	<	}
271	<	catch (InterruptedException ex) {
272	<	unexpectedException();
273	<	}
135	>	public void testNewFixedThreadPool1() {
136	>	ExecutorService e = Executors.newFixedThreadPool(2);
137	>	e.execute(new NoOpRunnable());
138	>	e.execute(new NoOpRunnable());
139	>	e.execute(new NoOpRunnable());
140	>	e.shutdown();
141		}
142
143		/**
144	<	*
144	>	* A new newFixedThreadPool with given ThreadFactory can execute runnables
145		*/
146	<	public void testInvokeRunnable () {
147	<	try {
148	<	Executor e = new DirectExecutor();
149	<	MyTask task = new MyTask();
150	<	assertFalse(task.isCompleted());
151	<	Executors.invoke(e, task);
285	<	assertTrue(task.isCompleted());
286	<	}
287	<	catch (ExecutionException ex) {
288	<	unexpectedException();
289	<	}
290	<	catch (InterruptedException ex) {
291	<	unexpectedException();
292	<	}
146	>	public void testNewFixedThreadPool2() {
147	>	ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
148	>	e.execute(new NoOpRunnable());
149	>	e.execute(new NoOpRunnable());
150	>	e.execute(new NoOpRunnable());
151	>	e.shutdown();
152		}
153
154		/**
155	<	*
155	>	* A new newFixedThreadPool with null ThreadFactory throws NPE
156		*/
157	<	public void testExecuteCallable () {
157	>	public void testNewFixedThreadPool3() {
158		try {
159	<	Executor e = new DirectExecutor();
160	<	Future<String> future = Executors.execute(e, new StringTask());
302	<	String result = future.get();
303	<	assertSame(TEST_STRING, result);
304	<	}
305	<	catch (ExecutionException ex) {
306	<	unexpectedException();
159	>	ExecutorService e = Executors.newFixedThreadPool(2, null);
160	>	shouldThrow();
161		}
162	<	catch (InterruptedException ex) {
309	<	unexpectedException();
162	>	catch(NullPointerException success) {
163		}
164		}
165
166		/**
167	<	*
167	>	* A new newFixedThreadPool with 0 threads throws IAE
168		*/
169	<	public void testInvokeCallable () {
169	>	public void testNewFixedThreadPool4() {
170		try {
171	<	Executor e = new DirectExecutor();
172	<	String result = Executors.invoke(e, new StringTask());
320	<
321	<	assertSame(TEST_STRING, result);
322	<	}
323	<	catch (ExecutionException ex) {
324	<	unexpectedException();
171	>	ExecutorService e = Executors.newFixedThreadPool(0);
172	>	shouldThrow();
173		}
174	<	catch (InterruptedException ex) {
327	<	unexpectedException();
174	>	catch(IllegalArgumentException success) {
175		}
176		}
177
178	+
179		/**
180		*  timeouts from execute will time out if they compute too long.
181		*/
#	Line 369 | Line 217 | public class ExecutorsTest extends JSR16
217		}
218
219
220	+	/**
221	+	* ThreadPoolExecutor using defaultThreadFactory has
222	+	* specified group, priority, daemon status, and name
223	+	*/
224	+	public void testDefaultThreadFactory() {
225	+	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
226	+	Runnable r = new Runnable() {
227	+	public void run() {
228	+	Thread current = Thread.currentThread();
229	+	threadAssertTrue(!current.isDaemon());
230	+	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
231	+	ThreadGroup g = current.getThreadGroup();
232	+	SecurityManager s = System.getSecurityManager();
233	+	if (s != null)
234	+	threadAssertTrue(g == s.getThreadGroup());
235	+	else
236	+	threadAssertTrue(g == egroup);
237	+	String name = current.getName();
238	+	threadAssertTrue(name.endsWith("thread-1"));
239	+	}
240	+	};
241	+	ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
242	+
243	+	e.execute(r);
244	+	e.shutdown();
245	+	try {
246	+	Thread.sleep(SHORT_DELAY_MS);
247	+	} catch (Exception eX) {
248	+	unexpectedException();
249	+	} finally {
250	+	joinPool(e);
251	+	}
252	+	}
253
254	+	/**
255	+	* ThreadPoolExecutor using privilegedThreadFactory has
256	+	* specified group, priority, daemon status, name,
257	+	* access control context and context class loader
258	+	*/
259	+	public void testPrivilegedThreadFactory() {
260	+	Policy savedPolicy = Policy.getPolicy();
261	+	AdjustablePolicy policy = new AdjustablePolicy();
262	+	policy.addPermission(new RuntimePermission("getContextClassLoader"));
263	+	policy.addPermission(new RuntimePermission("setContextClassLoader"));
264	+	Policy.setPolicy(policy);
265	+	final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
266	+	final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
267	+	final AccessControlContext thisacc = AccessController.getContext();
268	+	Runnable r = new Runnable() {
269	+	public void run() {
270	+	Thread current = Thread.currentThread();
271	+	threadAssertTrue(!current.isDaemon());
272	+	threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY);
273	+	ThreadGroup g = current.getThreadGroup();
274	+	SecurityManager s = System.getSecurityManager();
275	+	if (s != null)
276	+	threadAssertTrue(g == s.getThreadGroup());
277	+	else
278	+	threadAssertTrue(g == egroup);
279	+	String name = current.getName();
280	+	threadAssertTrue(name.endsWith("thread-1"));
281	+	threadAssertTrue(thisccl == current.getContextClassLoader());
282	+	threadAssertTrue(thisacc.equals(AccessController.getContext()));
283	+	}
284	+	};
285	+	ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
286	+
287	+	Policy.setPolicy(savedPolicy);
288	+	e.execute(r);
289	+	e.shutdown();
290	+	try {
291	+	Thread.sleep(SHORT_DELAY_MS);
292	+	} catch (Exception ex) {
293	+	unexpectedException();
294	+	} finally {
295	+	joinPool(e);
296	+	}
297	+
298	+	}
299
300		}

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