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Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.24 by jsr166, Wed Dec 31 19:05:43 2014 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/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	+	import static java.util.concurrent.TimeUnit.DAYS;
10	+	import static java.util.concurrent.TimeUnit.HOURS;
11	+	import static java.util.concurrent.TimeUnit.MICROSECONDS;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import static java.util.concurrent.TimeUnit.MINUTES;
14	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
15	+	import static java.util.concurrent.TimeUnit.SECONDS;
16
17	<	import junit.framework.*;
18	<	import java.util.concurrent.*;
19	<	import java.io.*;
17	>	import java.util.concurrent.CountDownLatch;
18	>	import java.util.concurrent.TimeUnit;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22
23		public class TimeUnitTest extends JSR166TestCase {
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run(suite());
25	>	junit.textui.TestRunner.run(suite());
26		}
27	<
27	>
28		public static Test suite() {
29	<	return new TestSuite(TimeUnitTest.class);
29	>	return new TestSuite(TimeUnitTest.class);
30		}
31
32	+	// (loops to 88888 check increments at all time divisions.)
33	+
34	+	/**
35	+	* convert correctly converts sample values across the units
36	+	*/
37		public void testConvert() {
38	<	for (long t = 0; t < 10; ++t) {
39	<	assertEquals(t,
40	<	TimeUnit.SECONDS.convert(t,
41	<	TimeUnit.SECONDS));
42	<	assertEquals(t,
43	<	TimeUnit.SECONDS.convert(1000 * t,
44	<	TimeUnit.MILLISECONDS));
45	<	assertEquals(t,
46	<	TimeUnit.SECONDS.convert(1000000 * t,
47	<	TimeUnit.MICROSECONDS));
48	<	assertEquals(t,
49	<	TimeUnit.SECONDS.convert(1000000000 * t,
50	<	TimeUnit.NANOSECONDS));
51	<	assertEquals(1000 * t,
52	<	TimeUnit.MILLISECONDS.convert(t,
53	<	TimeUnit.SECONDS));
54	<	assertEquals(t,
55	<	TimeUnit.MILLISECONDS.convert(t,
56	<	TimeUnit.MILLISECONDS));
57	<	assertEquals(t,
58	<	TimeUnit.MILLISECONDS.convert(1000 * t,
59	<	TimeUnit.MICROSECONDS));
60	<	assertEquals(t,
61	<	TimeUnit.MILLISECONDS.convert(1000000 * t,
62	<	TimeUnit.NANOSECONDS));
63	<	assertEquals(1000000 * t,
64	<	TimeUnit.MICROSECONDS.convert(t,
65	<	TimeUnit.SECONDS));
66	<	assertEquals(1000 * t,
67	<	TimeUnit.MICROSECONDS.convert(t,
68	<	TimeUnit.MILLISECONDS));
69	<	assertEquals(t,
70	<	TimeUnit.MICROSECONDS.convert(t,
71	<	TimeUnit.MICROSECONDS));
72	<	assertEquals(t,
73	<	TimeUnit.MICROSECONDS.convert(1000 * t,
74	<	TimeUnit.NANOSECONDS));
75	<	assertEquals(1000000000 * t,
76	<	TimeUnit.NANOSECONDS.convert(t,
77	<	TimeUnit.SECONDS));
78	<	assertEquals(1000000 * t,
79	<	TimeUnit.NANOSECONDS.convert(t,
80	<	TimeUnit.MILLISECONDS));
81	<	assertEquals(1000 * t,
82	<	TimeUnit.NANOSECONDS.convert(t,
83	<	TimeUnit.MICROSECONDS));
84	<	assertEquals(t,
85	<	TimeUnit.NANOSECONDS.convert(t,
86	<	TimeUnit.NANOSECONDS));
38	>	for (long t = 0; t < 88888; ++t) {
39	>	assertEquals(t*60*60*24,
40	>	SECONDS.convert(t, DAYS));
41	>	assertEquals(t*60*60,
42	>	SECONDS.convert(t, HOURS));
43	>	assertEquals(t*60,
44	>	SECONDS.convert(t, MINUTES));
45	>	assertEquals(t,
46	>	SECONDS.convert(t, SECONDS));
47	>	assertEquals(t,
48	>	SECONDS.convert(1000L*t, MILLISECONDS));
49	>	assertEquals(t,
50	>	SECONDS.convert(1000000L*t, MICROSECONDS));
51	>	assertEquals(t,
52	>	SECONDS.convert(1000000000L*t, NANOSECONDS));
53	>
54	>	assertEquals(1000L*t*60*60*24,
55	>	MILLISECONDS.convert(t, DAYS));
56	>	assertEquals(1000L*t*60*60,
57	>	MILLISECONDS.convert(t, HOURS));
58	>	assertEquals(1000L*t*60,
59	>	MILLISECONDS.convert(t, MINUTES));
60	>	assertEquals(1000L*t,
61	>	MILLISECONDS.convert(t, SECONDS));
62	>	assertEquals(t,
63	>	MILLISECONDS.convert(t, MILLISECONDS));
64	>	assertEquals(t,
65	>	MILLISECONDS.convert(1000L*t, MICROSECONDS));
66	>	assertEquals(t,
67	>	MILLISECONDS.convert(1000000L*t, NANOSECONDS));
68	>
69	>	assertEquals(1000000L*t*60*60*24,
70	>	MICROSECONDS.convert(t, DAYS));
71	>	assertEquals(1000000L*t*60*60,
72	>	MICROSECONDS.convert(t, HOURS));
73	>	assertEquals(1000000L*t*60,
74	>	MICROSECONDS.convert(t, MINUTES));
75	>	assertEquals(1000000L*t,
76	>	MICROSECONDS.convert(t, SECONDS));
77	>	assertEquals(1000L*t,
78	>	MICROSECONDS.convert(t, MILLISECONDS));
79	>	assertEquals(t,
80	>	MICROSECONDS.convert(t, MICROSECONDS));
81	>	assertEquals(t,
82	>	MICROSECONDS.convert(1000L*t, NANOSECONDS));
83	>
84	>	assertEquals(1000000000L*t*60*60*24,
85	>	NANOSECONDS.convert(t, DAYS));
86	>	assertEquals(1000000000L*t*60*60,
87	>	NANOSECONDS.convert(t, HOURS));
88	>	assertEquals(1000000000L*t*60,
89	>	NANOSECONDS.convert(t, MINUTES));
90	>	assertEquals(1000000000L*t,
91	>	NANOSECONDS.convert(t, SECONDS));
92	>	assertEquals(1000000L*t,
93	>	NANOSECONDS.convert(t, MILLISECONDS));
94	>	assertEquals(1000L*t,
95	>	NANOSECONDS.convert(t, MICROSECONDS));
96	>	assertEquals(t,
97	>	NANOSECONDS.convert(t, NANOSECONDS));
98		}
99		}
100
101	+	/**
102	+	* toNanos correctly converts sample values in different units to
103	+	* nanoseconds
104	+	*/
105		public void testToNanos() {
106	<	for (long t = 0; t < 10; ++t) {
107	<	assertEquals(1000000000 * t,
108	<	TimeUnit.SECONDS.toNanos(t));
109	<
110	<	assertEquals(1000000 * t,
111	<	TimeUnit.MILLISECONDS.toNanos(t));
112	<	assertEquals(1000 * t,
113	<	TimeUnit.MICROSECONDS.toNanos(t));
114	<	assertEquals(t,
115	<	TimeUnit.NANOSECONDS.toNanos(t));
106	>	for (long t = 0; t < 88888; ++t) {
107	>	assertEquals(t*1000000000L*60*60*24,
108	>	DAYS.toNanos(t));
109	>	assertEquals(t*1000000000L*60*60,
110	>	HOURS.toNanos(t));
111	>	assertEquals(t*1000000000L*60,
112	>	MINUTES.toNanos(t));
113	>	assertEquals(1000000000L*t,
114	>	SECONDS.toNanos(t));
115	>	assertEquals(1000000L*t,
116	>	MILLISECONDS.toNanos(t));
117	>	assertEquals(1000L*t,
118	>	MICROSECONDS.toNanos(t));
119	>	assertEquals(t,
120	>	NANOSECONDS.toNanos(t));
121		}
122		}
123
124	+	/**
125	+	* toMicros correctly converts sample values in different units to
126	+	* microseconds
127	+	*/
128		public void testToMicros() {
129	<	for (long t = 0; t < 10; ++t) {
130	<	assertEquals(1000000 * t,
131	<	TimeUnit.SECONDS.toMicros(t));
132	<
133	<	assertEquals(1000 * t,
134	<	TimeUnit.MILLISECONDS.toMicros(t));
135	<	assertEquals(t,
136	<	TimeUnit.MICROSECONDS.toMicros(t));
137	<	assertEquals(t,
138	<	TimeUnit.NANOSECONDS.toMicros(t * 1000));
129	>	for (long t = 0; t < 88888; ++t) {
130	>	assertEquals(t*1000000L*60*60*24,
131	>	DAYS.toMicros(t));
132	>	assertEquals(t*1000000L*60*60,
133	>	HOURS.toMicros(t));
134	>	assertEquals(t*1000000L*60,
135	>	MINUTES.toMicros(t));
136	>	assertEquals(1000000L*t,
137	>	SECONDS.toMicros(t));
138	>	assertEquals(1000L*t,
139	>	MILLISECONDS.toMicros(t));
140	>	assertEquals(t,
141	>	MICROSECONDS.toMicros(t));
142	>	assertEquals(t,
143	>	NANOSECONDS.toMicros(t*1000L));
144		}
145		}
146
147	+	/**
148	+	* toMillis correctly converts sample values in different units to
149	+	* milliseconds
150	+	*/
151		public void testToMillis() {
152	<	for (long t = 0; t < 10; ++t) {
153	<	assertEquals(1000 * t,
154	<	TimeUnit.SECONDS.toMillis(t));
155	<
156	<	assertEquals(t,
157	<	TimeUnit.MILLISECONDS.toMillis(t));
158	<	assertEquals(t,
159	<	TimeUnit.MICROSECONDS.toMillis(t * 1000));
160	<	assertEquals(t,
161	<	TimeUnit.NANOSECONDS.toMillis(t * 1000000));
152	>	for (long t = 0; t < 88888; ++t) {
153	>	assertEquals(t*1000L*60*60*24,
154	>	DAYS.toMillis(t));
155	>	assertEquals(t*1000L*60*60,
156	>	HOURS.toMillis(t));
157	>	assertEquals(t*1000L*60,
158	>	MINUTES.toMillis(t));
159	>	assertEquals(1000L*t,
160	>	SECONDS.toMillis(t));
161	>	assertEquals(t,
162	>	MILLISECONDS.toMillis(t));
163	>	assertEquals(t,
164	>	MICROSECONDS.toMillis(t*1000L));
165	>	assertEquals(t,
166	>	NANOSECONDS.toMillis(t*1000000L));
167		}
168		}
169
170	+	/**
171	+	* toSeconds correctly converts sample values in different units to
172	+	* seconds
173	+	*/
174		public void testToSeconds() {
175	<	for (long t = 0; t < 10; ++t) {
176	<	assertEquals(t,
177	<	TimeUnit.SECONDS.toSeconds(t));
178	<
179	<	assertEquals(t,
180	<	TimeUnit.MILLISECONDS.toSeconds(t * 1000));
181	<	assertEquals(t,
182	<	TimeUnit.MICROSECONDS.toSeconds(t * 1000000));
183	<	assertEquals(t,
184	<	TimeUnit.NANOSECONDS.toSeconds(t * 1000000000));
175	>	for (long t = 0; t < 88888; ++t) {
176	>	assertEquals(t*60*60*24,
177	>	DAYS.toSeconds(t));
178	>	assertEquals(t*60*60,
179	>	HOURS.toSeconds(t));
180	>	assertEquals(t*60,
181	>	MINUTES.toSeconds(t));
182	>	assertEquals(t,
183	>	SECONDS.toSeconds(t));
184	>	assertEquals(t,
185	>	MILLISECONDS.toSeconds(t*1000L));
186	>	assertEquals(t,
187	>	MICROSECONDS.toSeconds(t*1000000L));
188	>	assertEquals(t,
189	>	NANOSECONDS.toSeconds(t*1000000000L));
190	>	}
191	>	}
192	>
193	>	/**
194	>	* toMinutes correctly converts sample values in different units to
195	>	* minutes
196	>	*/
197	>	public void testToMinutes() {
198	>	for (long t = 0; t < 88888; ++t) {
199	>	assertEquals(t*60*24,
200	>	DAYS.toMinutes(t));
201	>	assertEquals(t*60,
202	>	HOURS.toMinutes(t));
203	>	assertEquals(t,
204	>	MINUTES.toMinutes(t));
205	>	assertEquals(t,
206	>	SECONDS.toMinutes(t*60));
207	>	assertEquals(t,
208	>	MILLISECONDS.toMinutes(t*1000L*60));
209	>	assertEquals(t,
210	>	MICROSECONDS.toMinutes(t*1000000L*60));
211	>	assertEquals(t,
212	>	NANOSECONDS.toMinutes(t*1000000000L*60));
213	>	}
214	>	}
215	>
216	>	/**
217	>	* toHours correctly converts sample values in different units to
218	>	* hours
219	>	*/
220	>	public void testToHours() {
221	>	for (long t = 0; t < 88888; ++t) {
222	>	assertEquals(t*24,
223	>	DAYS.toHours(t));
224	>	assertEquals(t,
225	>	HOURS.toHours(t));
226	>	assertEquals(t,
227	>	MINUTES.toHours(t*60));
228	>	assertEquals(t,
229	>	SECONDS.toHours(t*60*60));
230	>	assertEquals(t,
231	>	MILLISECONDS.toHours(t*1000L*60*60));
232	>	assertEquals(t,
233	>	MICROSECONDS.toHours(t*1000000L*60*60));
234	>	assertEquals(t,
235	>	NANOSECONDS.toHours(t*1000000000L*60*60));
236		}
237		}
238
239	+	/**
240	+	* toDays correctly converts sample values in different units to
241	+	* days
242	+	*/
243	+	public void testToDays() {
244	+	for (long t = 0; t < 88888; ++t) {
245	+	assertEquals(t,
246	+	DAYS.toDays(t));
247	+	assertEquals(t,
248	+	HOURS.toDays(t*24));
249	+	assertEquals(t,
250	+	MINUTES.toDays(t*60*24));
251	+	assertEquals(t,
252	+	SECONDS.toDays(t*60*60*24));
253	+	assertEquals(t,
254	+	MILLISECONDS.toDays(t*1000L*60*60*24));
255	+	assertEquals(t,
256	+	MICROSECONDS.toDays(t*1000000L*60*60*24));
257	+	assertEquals(t,
258	+	NANOSECONDS.toDays(t*1000000000L*60*60*24));
259	+	}
260	+	}
261
262	+	/**
263	+	* convert saturates positive too-large values to Long.MAX_VALUE
264	+	* and negative to LONG.MIN_VALUE
265	+	*/
266		public void testConvertSaturate() {
267		assertEquals(Long.MAX_VALUE,
268	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
135	<	TimeUnit.SECONDS));
268	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
269		assertEquals(Long.MIN_VALUE,
270	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
271	<	TimeUnit.SECONDS));
272	<
270	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS));
271	>	assertEquals(Long.MAX_VALUE,
272	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES));
273	>	assertEquals(Long.MIN_VALUE,
274	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES));
275	>	assertEquals(Long.MAX_VALUE,
276	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS));
277	>	assertEquals(Long.MIN_VALUE,
278	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS));
279	>	assertEquals(Long.MAX_VALUE,
280	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS));
281	>	assertEquals(Long.MIN_VALUE,
282	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS));
283		}
284
285	+	/**
286	+	* toNanos saturates positive too-large values to Long.MAX_VALUE
287	+	* and negative to LONG.MIN_VALUE
288	+	*/
289		public void testToNanosSaturate() {
290	<	assertEquals(Long.MAX_VALUE,
291	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
292	<	assertEquals(Long.MIN_VALUE,
293	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
147	<
290	>	assertEquals(Long.MAX_VALUE,
291	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
292	>	assertEquals(Long.MIN_VALUE,
293	>	MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
294		}
295
296	<
296	>	/**
297	>	* toString returns name of unit
298	>	*/
299		public void testToString() {
300	<	String s = TimeUnit.SECONDS.toString();
301	<	assertTrue(s.indexOf("econd") >= 0);
300	>	assertEquals("SECONDS", SECONDS.toString());
301	>	}
302	>
303	>	/**
304	>	* name returns name of unit
305	>	*/
306	>	public void testName() {
307	>	assertEquals("SECONDS", SECONDS.name());
308		}
309
156	–
310		/**
311	<	*  Timed wait without holding lock throws
312	<	*  IllegalMonitorStateException
311	>	* Timed wait without holding lock throws
312	>	* IllegalMonitorStateException
313		*/
314		public void testTimedWait_IllegalMonitorException() {
315	<	//created a new thread with anonymous runnable
315	>	Thread t = newStartedThread(new CheckedRunnable() {
316	>	public void realRun() throws InterruptedException {
317	>	Object o = new Object();
318	>	TimeUnit tu = MILLISECONDS;
319	>
320	>	try {
321	>	tu.timedWait(o, LONG_DELAY_MS);
322	>	threadShouldThrow();
323	>	} catch (IllegalMonitorStateException success) {}
324	>	}});
325
326	<	Thread t = new Thread(new Runnable() {
165	<	public void run() {
166	<	Object o = new Object();
167	<	TimeUnit tu = TimeUnit.MILLISECONDS;
168	<	try {
169	<	tu.timedWait(o,LONG_DELAY_MS);
170	<	fail("should throw");
171	<	}
172	<	catch (InterruptedException ie) {
173	<	fail("should not throw IE here");
174	<	}
175	<	catch(IllegalMonitorStateException success) {
176	<	}
177	<
178	<	}
179	<	});
180	<	t.start();
181	<	try {
182	<	Thread.sleep(SHORT_DELAY_MS);
183	<	t.interrupt();
184	<	t.join();
185	<	} catch(Exception e) {
186	<	fail("Unexpected exception");
187	<	}
326	>	awaitTermination(t);
327		}
328	<
328	>
329		/**
330	<	*   timedWait will throw InterruptedException.
331	<	*  Thread t waits on timedWait while the main thread interrupts it.
332	<	*  Note:  This does not throw IllegalMonitorException since timeWait
333	<	*         is synchronized on o
334	<	*/
335	<	public void testTimedWait() {
336	<	Thread t = new Thread(new Runnable() {
337	<	public void run() {
338	<	Object o = new Object();
339	<
340	<	TimeUnit tu = TimeUnit.MILLISECONDS;
341	<	try {
342	<	synchronized(o) {
343	<	tu.timedWait(o,MEDIUM_DELAY_MS);
344	<	}
345	<	fail("should throw");
346	<	}
347	<	catch(InterruptedException success) {}
348	<	catch(IllegalMonitorStateException failure) {
349	<	fail("should not throw");
350	<	}
351	<	}
352	<	});
353	<	t.start();
354	<	try {
355	<	Thread.sleep(SHORT_DELAY_MS);
356	<	t.interrupt();
357	<	t.join();
358	<	} catch(Exception e) {
359	<	fail("Unexpected exception");
360	<	}
330	>	* timedWait throws InterruptedException when interrupted
331	>	*/
332	>	public void testTimedWait_Interruptible() {
333	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
334	>	Thread t = newStartedThread(new CheckedRunnable() {
335	>	public void realRun() throws InterruptedException {
336	>	Object o = new Object();
337	>	TimeUnit tu = MILLISECONDS;
338	>
339	>	Thread.currentThread().interrupt();
340	>	try {
341	>	synchronized (o) {
342	>	tu.timedWait(o, LONG_DELAY_MS);
343	>	}
344	>	shouldThrow();
345	>	} catch (InterruptedException success) {}
346	>	assertFalse(Thread.interrupted());
347	>
348	>	pleaseInterrupt.countDown();
349	>	try {
350	>	synchronized (o) {
351	>	tu.timedWait(o, LONG_DELAY_MS);
352	>	}
353	>	shouldThrow();
354	>	} catch (InterruptedException success) {}
355	>	assertFalse(Thread.interrupted());
356	>	}});
357	>
358	>	await(pleaseInterrupt);
359	>	assertThreadStaysAlive(t);
360	>	t.interrupt();
361	>	awaitTermination(t);
362		}
363	<
224	<
363	>
364		/**
365	<	*   timedJoin will throw InterruptedException.
227	<	*  Thread t waits on timedJoin while the main thread interrupts it.
365	>	* timedJoin throws InterruptedException when interrupted
366		*/
367	<	public void testTimedJoin() {
368	<	Thread t = new Thread(new Runnable() {
369	<	public void run() {
370	<	TimeUnit tu = TimeUnit.MILLISECONDS;
371	<	try {
372	<	Thread s = new Thread(new Runnable() {
373	<	public void run() {
374	<	try{
375	<	Thread.sleep(MEDIUM_DELAY_MS);
376	<	}catch(InterruptedException success){}
377	<	}
378	<	});
379	<	s.start();
380	<	tu.timedJoin(s,MEDIUM_DELAY_MS);
381	<	fail("should throw");
382	<	}
383	<	catch(Exception e) {}
384	<	}
385	<	});
386	<	t.start();
387	<	try {
388	<	Thread.sleep(SHORT_DELAY_MS);
389	<	t.interrupt();
390	<	t.join();
391	<	} catch(Exception e) {
392	<	fail("Unexpected exception");
393	<	}
367	>	public void testTimedJoin_Interruptible() {
368	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
369	>	final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
370	>	public void realRun() throws InterruptedException {
371	>	Thread.sleep(LONG_DELAY_MS);
372	>	}});
373	>	final Thread t = newStartedThread(new CheckedRunnable() {
374	>	public void realRun() throws InterruptedException {
375	>	TimeUnit tu = MILLISECONDS;
376	>	Thread.currentThread().interrupt();
377	>	try {
378	>	tu.timedJoin(s, LONG_DELAY_MS);
379	>	shouldThrow();
380	>	} catch (InterruptedException success) {}
381	>	assertFalse(Thread.interrupted());
382	>
383	>	pleaseInterrupt.countDown();
384	>	try {
385	>	tu.timedJoin(s, LONG_DELAY_MS);
386	>	shouldThrow();
387	>	} catch (InterruptedException success) {}
388	>	assertFalse(Thread.interrupted());
389	>	}});
390	>
391	>	await(pleaseInterrupt);
392	>	assertThreadStaysAlive(t);
393	>	t.interrupt();
394	>	awaitTermination(t);
395	>	s.interrupt();
396	>	awaitTermination(s);
397		}
398	<
398	>
399		/**
400	<	*   timedSleep will throw InterruptedException.
260	<	*  Thread t waits on timedSleep while the main thread interrupts it.
400	>	* timedSleep throws InterruptedException when interrupted
401		*/
402	<	public void testTimedSleep() {
403	<	//created a new thread with anonymous runnable
404	<
405	<	Thread t = new Thread(new Runnable() {
406	<	public void run() {
407	<	TimeUnit tu = TimeUnit.MILLISECONDS;
408	<	try {
409	<	tu.sleep(MEDIUM_DELAY_MS);
410	<	fail("should throw");
411	<	}
412	<	catch(InterruptedException success) {}
413	<	}
414	<	});
415	<	t.start();
416	<	try {
417	<	Thread.sleep(SHORT_DELAY_MS);
418	<	t.interrupt();
419	<	t.join();
420	<	} catch(Exception e) {
421	<	fail("Unexpected exception");
422	<	}
402	>	public void testTimedSleep_Interruptible() {
403	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
404	>	Thread t = newStartedThread(new CheckedRunnable() {
405	>	public void realRun() throws InterruptedException {
406	>	TimeUnit tu = MILLISECONDS;
407	>	Thread.currentThread().interrupt();
408	>	try {
409	>	tu.sleep(LONG_DELAY_MS);
410	>	shouldThrow();
411	>	} catch (InterruptedException success) {}
412	>	assertFalse(Thread.interrupted());
413	>
414	>	pleaseInterrupt.countDown();
415	>	try {
416	>	tu.sleep(LONG_DELAY_MS);
417	>	shouldThrow();
418	>	} catch (InterruptedException success) {}
419	>	assertFalse(Thread.interrupted());
420	>	}});
421	>
422	>	await(pleaseInterrupt);
423	>	assertThreadStaysAlive(t);
424	>	t.interrupt();
425	>	awaitTermination(t);
426		}
427
428	<	public void testSerialization() {
429	<	TimeUnit q = TimeUnit.MILLISECONDS;
430	<
431	<	try {
432	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
433	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
291	<	out.writeObject(q);
292	<	out.close();
293	<
294	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
295	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
296	<	TimeUnit r = (TimeUnit)in.readObject();
297	<
298	<	assertEquals(q.toString(), r.toString());
299	<	} catch(Exception e){
300	<	e.printStackTrace();
301	<	fail("unexpected exception");
302	<	}
428	>	/**
429	>	* a deserialized serialized unit is the same instance
430	>	*/
431	>	public void testSerialization() throws Exception {
432	>	TimeUnit x = MILLISECONDS;
433	>	assertSame(x, serialClone(x));
434		}
435
436		}

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