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

Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.17 by jsr166, Sat Oct 9 19:30:35 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
#	Line 10 | Line 11 | import junit.framework.*;
11		import java.util.concurrent.*;
12		import java.io.*;
13
14	<	public class TimeUnitTest extends TestCase {
14	<	static public boolean DEBUG = false;
15	<
16	<
14	>	public class TimeUnitTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run(suite());
16	>	junit.textui.TestRunner.run(suite());
17		}
18	<
18	>
19		public static Test suite() {
20	<	return new TestSuite(TimeUnitTest.class);
20	>	return new TestSuite(TimeUnitTest.class);
21		}
22
23	+	// (loops to 88888 check increments at all time divisions.)
24	+
25	+	/**
26	+	* convert correctly converts sample values across the units
27	+	*/
28		public void testConvert() {
29	<	for (long t = 0; t < 10; ++t) {
30	<	assertEquals(t,
31	<	TimeUnit.SECONDS.convert(t,
29	>	for (long t = 0; t < 88888; ++t) {
30	>	assertEquals(t*60*60*24,
31	>	TimeUnit.SECONDS.convert(t,
32	>	TimeUnit.DAYS));
33	>	assertEquals(t*60*60,
34	>	TimeUnit.SECONDS.convert(t,
35	>	TimeUnit.HOURS));
36	>	assertEquals(t*60,
37	>	TimeUnit.SECONDS.convert(t,
38	>	TimeUnit.MINUTES));
39	>	assertEquals(t,
40	>	TimeUnit.SECONDS.convert(t,
41		TimeUnit.SECONDS));
42	<	assertEquals(t,
43	<	TimeUnit.SECONDS.convert(1000 * t,
42	>	assertEquals(t,
43	>	TimeUnit.SECONDS.convert(1000L*t,
44		TimeUnit.MILLISECONDS));
45	<	assertEquals(t,
46	<	TimeUnit.SECONDS.convert(1000000 * t,
45	>	assertEquals(t,
46	>	TimeUnit.SECONDS.convert(1000000L*t,
47		TimeUnit.MICROSECONDS));
48	<	assertEquals(t,
49	<	TimeUnit.SECONDS.convert(1000000000 * t,
48	>	assertEquals(t,
49	>	TimeUnit.SECONDS.convert(1000000000L*t,
50		TimeUnit.NANOSECONDS));
51	<	assertEquals(1000 * t,
52	<	TimeUnit.MILLISECONDS.convert(t,
51	>
52	>
53	>	assertEquals(1000L*t*60*60*24,
54	>	TimeUnit.MILLISECONDS.convert(t,
55	>	TimeUnit.DAYS));
56	>	assertEquals(1000L*t*60*60,
57	>	TimeUnit.MILLISECONDS.convert(t,
58	>	TimeUnit.HOURS));
59	>	assertEquals(1000L*t*60,
60	>	TimeUnit.MILLISECONDS.convert(t,
61	>	TimeUnit.MINUTES));
62	>	assertEquals(1000L*t,
63	>	TimeUnit.MILLISECONDS.convert(t,
64		TimeUnit.SECONDS));
65	<	assertEquals(t,
66	<	TimeUnit.MILLISECONDS.convert(t,
65	>	assertEquals(t,
66	>	TimeUnit.MILLISECONDS.convert(t,
67		TimeUnit.MILLISECONDS));
68	<	assertEquals(t,
69	<	TimeUnit.MILLISECONDS.convert(1000 * t,
68	>	assertEquals(t,
69	>	TimeUnit.MILLISECONDS.convert(1000L*t,
70		TimeUnit.MICROSECONDS));
71	<	assertEquals(t,
72	<	TimeUnit.MILLISECONDS.convert(1000000 * t,
71	>	assertEquals(t,
72	>	TimeUnit.MILLISECONDS.convert(1000000L*t,
73		TimeUnit.NANOSECONDS));
74	<	assertEquals(1000000 * t,
75	<	TimeUnit.MICROSECONDS.convert(t,
74	>
75	>	assertEquals(1000000L*t*60*60*24,
76	>	TimeUnit.MICROSECONDS.convert(t,
77	>	TimeUnit.DAYS));
78	>	assertEquals(1000000L*t*60*60,
79	>	TimeUnit.MICROSECONDS.convert(t,
80	>	TimeUnit.HOURS));
81	>	assertEquals(1000000L*t*60,
82	>	TimeUnit.MICROSECONDS.convert(t,
83	>	TimeUnit.MINUTES));
84	>	assertEquals(1000000L*t,
85	>	TimeUnit.MICROSECONDS.convert(t,
86		TimeUnit.SECONDS));
87	<	assertEquals(1000 * t,
88	<	TimeUnit.MICROSECONDS.convert(t,
87	>	assertEquals(1000L*t,
88	>	TimeUnit.MICROSECONDS.convert(t,
89		TimeUnit.MILLISECONDS));
90	<	assertEquals(t,
91	<	TimeUnit.MICROSECONDS.convert(t,
90	>	assertEquals(t,
91	>	TimeUnit.MICROSECONDS.convert(t,
92		TimeUnit.MICROSECONDS));
93	<	assertEquals(t,
94	<	TimeUnit.MICROSECONDS.convert(1000 * t,
93	>	assertEquals(t,
94	>	TimeUnit.MICROSECONDS.convert(1000L*t,
95		TimeUnit.NANOSECONDS));
96	<	assertEquals(1000000000 * t,
97	<	TimeUnit.NANOSECONDS.convert(t,
96	>
97	>	assertEquals(1000000000L*t*60*60*24,
98	>	TimeUnit.NANOSECONDS.convert(t,
99	>	TimeUnit.DAYS));
100	>	assertEquals(1000000000L*t*60*60,
101	>	TimeUnit.NANOSECONDS.convert(t,
102	>	TimeUnit.HOURS));
103	>	assertEquals(1000000000L*t*60,
104	>	TimeUnit.NANOSECONDS.convert(t,
105	>	TimeUnit.MINUTES));
106	>	assertEquals(1000000000L*t,
107	>	TimeUnit.NANOSECONDS.convert(t,
108		TimeUnit.SECONDS));
109	<	assertEquals(1000000 * t,
110	<	TimeUnit.NANOSECONDS.convert(t,
109	>	assertEquals(1000000L*t,
110	>	TimeUnit.NANOSECONDS.convert(t,
111		TimeUnit.MILLISECONDS));
112	<	assertEquals(1000 * t,
113	<	TimeUnit.NANOSECONDS.convert(t,
112	>	assertEquals(1000L*t,
113	>	TimeUnit.NANOSECONDS.convert(t,
114		TimeUnit.MICROSECONDS));
115	<	assertEquals(t,
116	<	TimeUnit.NANOSECONDS.convert(t,
115	>	assertEquals(t,
116	>	TimeUnit.NANOSECONDS.convert(t,
117		TimeUnit.NANOSECONDS));
118		}
119		}
120
121	+	/**
122	+	* toNanos correctly converts sample values in different units to
123	+	* nanoseconds
124	+	*/
125		public void testToNanos() {
126	<	for (long t = 0; t < 10; ++t) {
127	<	assertEquals(1000000000 * t,
126	>	for (long t = 0; t < 88888; ++t) {
127	>	assertEquals(t*1000000000L*60*60*24,
128	>	TimeUnit.DAYS.toNanos(t));
129	>	assertEquals(t*1000000000L*60*60,
130	>	TimeUnit.HOURS.toNanos(t));
131	>	assertEquals(t*1000000000L*60,
132	>	TimeUnit.MINUTES.toNanos(t));
133	>	assertEquals(1000000000L*t,
134		TimeUnit.SECONDS.toNanos(t));
135	<
83	<	assertEquals(1000000 * t,
135	>	assertEquals(1000000L*t,
136		TimeUnit.MILLISECONDS.toNanos(t));
137	<	assertEquals(1000 * t,
137	>	assertEquals(1000L*t,
138		TimeUnit.MICROSECONDS.toNanos(t));
139	<	assertEquals(t,
140	<	TimeUnit.SECONDS.NANOSECONDS.toNanos(t));
139	>	assertEquals(t,
140	>	TimeUnit.NANOSECONDS.toNanos(t));
141	>	}
142	>	}
143	>
144	>	/**
145	>	* toMicros correctly converts sample values in different units to
146	>	* microseconds
147	>	*/
148	>	public void testToMicros() {
149	>	for (long t = 0; t < 88888; ++t) {
150	>	assertEquals(t*1000000L*60*60*24,
151	>	TimeUnit.DAYS.toMicros(t));
152	>	assertEquals(t*1000000L*60*60,
153	>	TimeUnit.HOURS.toMicros(t));
154	>	assertEquals(t*1000000L*60,
155	>	TimeUnit.MINUTES.toMicros(t));
156	>	assertEquals(1000000L*t,
157	>	TimeUnit.SECONDS.toMicros(t));
158	>	assertEquals(1000L*t,
159	>	TimeUnit.MILLISECONDS.toMicros(t));
160	>	assertEquals(t,
161	>	TimeUnit.MICROSECONDS.toMicros(t));
162	>	assertEquals(t,
163	>	TimeUnit.NANOSECONDS.toMicros(t*1000L));
164	>	}
165	>	}
166	>
167	>	/**
168	>	* toMillis correctly converts sample values in different units to
169	>	* milliseconds
170	>	*/
171	>	public void testToMillis() {
172	>	for (long t = 0; t < 88888; ++t) {
173	>	assertEquals(t*1000L*60*60*24,
174	>	TimeUnit.DAYS.toMillis(t));
175	>	assertEquals(t*1000L*60*60,
176	>	TimeUnit.HOURS.toMillis(t));
177	>	assertEquals(t*1000L*60,
178	>	TimeUnit.MINUTES.toMillis(t));
179	>	assertEquals(1000L*t,
180	>	TimeUnit.SECONDS.toMillis(t));
181	>	assertEquals(t,
182	>	TimeUnit.MILLISECONDS.toMillis(t));
183	>	assertEquals(t,
184	>	TimeUnit.MICROSECONDS.toMillis(t*1000L));
185	>	assertEquals(t,
186	>	TimeUnit.NANOSECONDS.toMillis(t*1000000L));
187		}
188		}
189
190	+	/**
191	+	* toSeconds correctly converts sample values in different units to
192	+	* seconds
193	+	*/
194	+	public void testToSeconds() {
195	+	for (long t = 0; t < 88888; ++t) {
196	+	assertEquals(t*60*60*24,
197	+	TimeUnit.DAYS.toSeconds(t));
198	+	assertEquals(t*60*60,
199	+	TimeUnit.HOURS.toSeconds(t));
200	+	assertEquals(t*60,
201	+	TimeUnit.MINUTES.toSeconds(t));
202	+	assertEquals(t,
203	+	TimeUnit.SECONDS.toSeconds(t));
204	+	assertEquals(t,
205	+	TimeUnit.MILLISECONDS.toSeconds(t*1000L));
206	+	assertEquals(t,
207	+	TimeUnit.MICROSECONDS.toSeconds(t*1000000L));
208	+	assertEquals(t,
209	+	TimeUnit.NANOSECONDS.toSeconds(t*1000000000L));
210	+	}
211	+	}
212	+
213	+	/**
214	+	* toMinutes correctly converts sample values in different units to
215	+	* minutes
216	+	*/
217	+	public void testToMinutes() {
218	+	for (long t = 0; t < 88888; ++t) {
219	+	assertEquals(t*60*24,
220	+	TimeUnit.DAYS.toMinutes(t));
221	+	assertEquals(t*60,
222	+	TimeUnit.HOURS.toMinutes(t));
223	+	assertEquals(t,
224	+	TimeUnit.MINUTES.toMinutes(t));
225	+	assertEquals(t,
226	+	TimeUnit.SECONDS.toMinutes(t*60));
227	+	assertEquals(t,
228	+	TimeUnit.MILLISECONDS.toMinutes(t*1000L*60));
229	+	assertEquals(t,
230	+	TimeUnit.MICROSECONDS.toMinutes(t*1000000L*60));
231	+	assertEquals(t,
232	+	TimeUnit.NANOSECONDS.toMinutes(t*1000000000L*60));
233	+	}
234	+	}
235	+
236	+	/**
237	+	* toHours correctly converts sample values in different units to
238	+	* hours
239	+	*/
240	+	public void testToHours() {
241	+	for (long t = 0; t < 88888; ++t) {
242	+	assertEquals(t*24,
243	+	TimeUnit.DAYS.toHours(t));
244	+	assertEquals(t,
245	+	TimeUnit.HOURS.toHours(t));
246	+	assertEquals(t,
247	+	TimeUnit.MINUTES.toHours(t*60));
248	+	assertEquals(t,
249	+	TimeUnit.SECONDS.toHours(t*60*60));
250	+	assertEquals(t,
251	+	TimeUnit.MILLISECONDS.toHours(t*1000L*60*60));
252	+	assertEquals(t,
253	+	TimeUnit.MICROSECONDS.toHours(t*1000000L*60*60));
254	+	assertEquals(t,
255	+	TimeUnit.NANOSECONDS.toHours(t*1000000000L*60*60));
256	+	}
257	+	}
258	+
259	+	/**
260	+	* toDays correctly converts sample values in different units to
261	+	* days
262	+	*/
263	+	public void testToDays() {
264	+	for (long t = 0; t < 88888; ++t) {
265	+	assertEquals(t,
266	+	TimeUnit.DAYS.toDays(t));
267	+	assertEquals(t,
268	+	TimeUnit.HOURS.toDays(t*24));
269	+	assertEquals(t,
270	+	TimeUnit.MINUTES.toDays(t*60*24));
271	+	assertEquals(t,
272	+	TimeUnit.SECONDS.toDays(t*60*60*24));
273	+	assertEquals(t,
274	+	TimeUnit.MILLISECONDS.toDays(t*1000L*60*60*24));
275	+	assertEquals(t,
276	+	TimeUnit.MICROSECONDS.toDays(t*1000000L*60*60*24));
277	+	assertEquals(t,
278	+	TimeUnit.NANOSECONDS.toDays(t*1000000000L*60*60*24));
279	+	}
280	+	}
281
282	+
283	+	/**
284	+	* convert saturates positive too-large values to Long.MAX_VALUE
285	+	* and negative to LONG.MIN_VALUE
286	+	*/
287		public void testConvertSaturate() {
288		assertEquals(Long.MAX_VALUE,
289		TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
#	Line 97 | Line 291 | public class TimeUnitTest extends TestCa
291		assertEquals(Long.MIN_VALUE,
292		TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
293		TimeUnit.SECONDS));
294	<
294	>	assertEquals(Long.MAX_VALUE,
295	>	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
296	>	TimeUnit.MINUTES));
297	>	assertEquals(Long.MIN_VALUE,
298	>	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
299	>	TimeUnit.MINUTES));
300	>	assertEquals(Long.MAX_VALUE,
301	>	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
302	>	TimeUnit.HOURS));
303	>	assertEquals(Long.MIN_VALUE,
304	>	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
305	>	TimeUnit.HOURS));
306	>	assertEquals(Long.MAX_VALUE,
307	>	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
308	>	TimeUnit.DAYS));
309	>	assertEquals(Long.MIN_VALUE,
310	>	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
311	>	TimeUnit.DAYS));
312		}
313
314	+	/**
315	+	* toNanos saturates positive too-large values to Long.MAX_VALUE
316	+	* and negative to LONG.MIN_VALUE
317	+	*/
318		public void testToNanosSaturate() {
319	<	assertEquals(Long.MAX_VALUE,
320	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
321	<	assertEquals(Long.MIN_VALUE,
322	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
108	<
319	>	assertEquals(Long.MAX_VALUE,
320	>	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
321	>	assertEquals(Long.MIN_VALUE,
322	>	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
323		}
324
325
326	+	/**
327	+	* toString returns string containing common name of unit
328	+	*/
329		public void testToString() {
330		String s = TimeUnit.SECONDS.toString();
331	<	assertTrue(s.indexOf("econd") >= 0);
331	>	assertTrue(s.indexOf("ECOND") >= 0);
332		}
333
334	<	// Exception tests
118	<
334	>
335		/**
336	<	*  This test specifically to catch the unreported exception
336	>	* Timed wait without holding lock throws
337	>	* IllegalMonitorStateException
338		*/
339	<	public void testTimedWaitForUnreportedIllegalMonitorException() {
340	<	//created a new thread with anonymous runnable
341	<
342	<	Thread t = new Thread(new Runnable() {
343	<	public void run() {
344	<	Object o = new Object();
345	<	TimeUnit tu = TimeUnit.MILLISECONDS;
346	<	try {
347	<	tu.timedWait(o,40000);
348	<	fail("should throw");
132	<	}
133	<	catch (InterruptedException ie) {
134	<	fail("should not throw IE here");
135	<	}
136	<	catch(IllegalMonitorStateException success) {
137	<	}
138	<
139	<	}
140	<	});
339	>	public void testTimedWait_IllegalMonitorException() throws Exception {
340	>	Thread t = new Thread(new CheckedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	Object o = new Object();
343	>	TimeUnit tu = TimeUnit.MILLISECONDS;
344	>	try {
345	>	tu.timedWait(o,LONG_DELAY_MS);
346	>	threadShouldThrow();
347	>	} catch (IllegalMonitorStateException success) {}}});
348	>
349		t.start();
350	<	try {
351	<	Thread.sleep(100);
352	<	t.interrupt();
145	<	t.join();
146	<	} catch(Exception e) {
147	<	fail("Unexpected exception");
148	<	}
350	>	Thread.sleep(SHORT_DELAY_MS);
351	>	t.interrupt();
352	>	t.join();
353		}
354	<
354	>
355		/**
356	<	*  Test to verify that timedWait will throw InterruptedException.
357	<	*  Thread t waits on timedWait while the main thread interrupts it.
358	<	*  Note:  This does not throw IllegalMonitorException since timeWait
359	<	*         is synchronized on o
360	<	*/
361	<	public void testTimedWait() {
362	<	Thread t = new Thread(new Runnable() {
363	<	public void run() {
364	<	Object o = new Object();
365	<
366	<	TimeUnit tu = TimeUnit.MILLISECONDS;
367	<	try {
368	<	synchronized(o) {
369	<	tu.timedWait(o,1000);
370	<	}
371	<	fail("should throw");
168	<	}
169	<	catch(InterruptedException success) {}
170	<	catch(IllegalMonitorStateException failure) {
171	<	fail("should not throw");
172	<	}
173	<	}
174	<	});
175	<	t.start();
176	<	try {
177	<	Thread.sleep(100);
178	<	t.interrupt();
179	<	t.join();
180	<	} catch(Exception e) {
181	<	fail("Unexpected exception");
182	<	}
356	>	* timedWait throws InterruptedException when interrupted
357	>	*/
358	>	public void testTimedWait() throws InterruptedException {
359	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
360	>	public void realRun() throws InterruptedException {
361	>	Object o = new Object();
362	>
363	>	TimeUnit tu = TimeUnit.MILLISECONDS;
364	>	synchronized (o) {
365	>	tu.timedWait(o,MEDIUM_DELAY_MS);
366	>	}
367	>	}});
368	>	t.start();
369	>	Thread.sleep(SHORT_DELAY_MS);
370	>	t.interrupt();
371	>	t.join();
372		}
373	<
374	<
373	>
374	>
375		/**
376	<	*  Test to verify that timedJoin will throw InterruptedException.
188	<	*  Thread t waits on timedJoin while the main thread interrupts it.
376	>	* timedJoin throws InterruptedException when interrupted
377		*/
378	<	public void testTimedJoin() {
379	<	Thread t = new Thread(new Runnable() {
380	<	public void run() {
381	<	TimeUnit tu = TimeUnit.MILLISECONDS;
382	<	try {
383	<	Thread s = new Thread(new Runnable() {
384	<	public void run() {
385	<	try{
386	<	Thread.sleep(1000);
387	<	}catch(InterruptedException success){}
388	<	}
389	<	});
390	<	s.start();
391	<	tu.timedJoin(s,1000);
392	<	fail("should throw");
393	<	}
394	<	catch(Exception e) {}
207	<	}
208	<	});
209	<	t.start();
210	<	try {
211	<	Thread.sleep(100);
212	<	t.interrupt();
213	<	t.join();
214	<	} catch(Exception e) {
215	<	fail("Unexpected exception");
216	<	}
378	>	public void testTimedJoin() throws InterruptedException {
379	>	final Thread s = new Thread(new CheckedInterruptedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	Thread.sleep(MEDIUM_DELAY_MS);
382	>	}});
383	>	final Thread t = new Thread(new CheckedInterruptedRunnable() {
384	>	public void realRun() throws InterruptedException {
385	>	TimeUnit tu = TimeUnit.MILLISECONDS;
386	>	tu.timedJoin(s, MEDIUM_DELAY_MS);
387	>	}});;
388	>	s.start();
389	>	t.start();
390	>	Thread.sleep(SHORT_DELAY_MS);
391	>	t.interrupt();
392	>	t.join();
393	>	s.interrupt();
394	>	s.join();
395		}
396	<
396	>
397		/**
398	<	*  Test to verify that timedSleep will throw InterruptedException.
221	<	*  Thread t waits on timedSleep while the main thread interrupts it.
398	>	* timedSleep throws InterruptedException when interrupted
399		*/
400	<	public void testTimedSleep() {
401	<	//created a new thread with anonymous runnable
400	>	public void testTimedSleep() throws InterruptedException {
401	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
402	>	public void realRun() throws InterruptedException {
403	>	TimeUnit tu = TimeUnit.MILLISECONDS;
404	>	tu.sleep(MEDIUM_DELAY_MS);
405	>	}});
406
407	<	Thread t = new Thread(new Runnable() {
408	<	public void run() {
409	<	TimeUnit tu = TimeUnit.MILLISECONDS;
410	<	try {
230	<	tu.sleep(1000);
231	<	fail("should throw");
232	<	}
233	<	catch(InterruptedException success) {}
234	<	}
235	<	});
236	<	t.start();
237	<	try {
238	<	Thread.sleep(100);
239	<	t.interrupt();
240	<	t.join();
241	<	} catch(Exception e) {
242	<	fail("Unexpected exception");
243	<	}
407	>	t.start();
408	>	Thread.sleep(SHORT_DELAY_MS);
409	>	t.interrupt();
410	>	t.join();
411		}
412
413	<	public void testSerialization() {
413	>	/**
414	>	* a deserialized serialized unit is the same instance
415	>	*/
416	>	public void testSerialization() throws Exception {
417		TimeUnit q = TimeUnit.MILLISECONDS;
418
419	<	try {
420	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
421	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
422	<	out.writeObject(q);
423	<	out.close();
424	<
425	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
426	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
427	<	TimeUnit r = (TimeUnit)in.readObject();
258	<
259	<	assertEquals(q.toString(), r.toString());
260	<	} catch(Exception e){
261	<	e.printStackTrace();
262	<	fail("unexpected exception");
263	<	}
419	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
420	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
421	>	out.writeObject(q);
422	>	out.close();
423	>
424	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
425	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
426	>	TimeUnit r = (TimeUnit)in.readObject();
427	>	assertSame(q, r);
428		}
429
430		}

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