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

Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.5 by dl, Thu Sep 25 11:02:42 2003 UTC vs.
Revision 1.26 by jsr166, Fri Jan 29 20:02:39 2016 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 java.time.temporal.ChronoUnit;
18	+	import java.util.concurrent.CountDownLatch;
19	+	import java.util.concurrent.TimeUnit;
20
21	<	import junit.framework.*;
22	<	import java.util.concurrent.*;
11	<	import java.io.*;
21	>	import junit.framework.Test;
22	>	import junit.framework.TestSuite;
23
24		public class TimeUnitTest extends JSR166TestCase {
25		public static void main(String[] args) {
26	<	junit.textui.TestRunner.run(suite());
26	>	main(suite(), args);
27		}
28	<
28	>
29		public static Test suite() {
30	<	return new TestSuite(TimeUnitTest.class);
30	>	return new TestSuite(TimeUnitTest.class);
31		}
32
33	+	// (loops to 88888 check increments at all time divisions.)
34	+
35		/**
36	<	* convert correctly converts sample values across the four units
36	>	* convert correctly converts sample values across the units
37		*/
38		public void testConvert() {
39	<	for (long t = 0; t < 10; ++t) {
40	<	assertEquals(t,
41	<	TimeUnit.SECONDS.convert(t,
42	<	TimeUnit.SECONDS));
43	<	assertEquals(t,
44	<	TimeUnit.SECONDS.convert(1000 * t,
45	<	TimeUnit.MILLISECONDS));
46	<	assertEquals(t,
47	<	TimeUnit.SECONDS.convert(1000000 * t,
48	<	TimeUnit.MICROSECONDS));
49	<	assertEquals(t,
50	<	TimeUnit.SECONDS.convert(1000000000 * t,
51	<	TimeUnit.NANOSECONDS));
52	<	assertEquals(1000 * t,
53	<	TimeUnit.MILLISECONDS.convert(t,
54	<	TimeUnit.SECONDS));
55	<	assertEquals(t,
56	<	TimeUnit.MILLISECONDS.convert(t,
57	<	TimeUnit.MILLISECONDS));
58	<	assertEquals(t,
59	<	TimeUnit.MILLISECONDS.convert(1000 * t,
60	<	TimeUnit.MICROSECONDS));
61	<	assertEquals(t,
62	<	TimeUnit.MILLISECONDS.convert(1000000 * t,
63	<	TimeUnit.NANOSECONDS));
64	<	assertEquals(1000000 * t,
65	<	TimeUnit.MICROSECONDS.convert(t,
66	<	TimeUnit.SECONDS));
67	<	assertEquals(1000 * t,
68	<	TimeUnit.MICROSECONDS.convert(t,
69	<	TimeUnit.MILLISECONDS));
70	<	assertEquals(t,
71	<	TimeUnit.MICROSECONDS.convert(t,
72	<	TimeUnit.MICROSECONDS));
73	<	assertEquals(t,
74	<	TimeUnit.MICROSECONDS.convert(1000 * t,
75	<	TimeUnit.NANOSECONDS));
76	<	assertEquals(1000000000 * t,
77	<	TimeUnit.NANOSECONDS.convert(t,
78	<	TimeUnit.SECONDS));
79	<	assertEquals(1000000 * t,
80	<	TimeUnit.NANOSECONDS.convert(t,
81	<	TimeUnit.MILLISECONDS));
82	<	assertEquals(1000 * t,
83	<	TimeUnit.NANOSECONDS.convert(t,
84	<	TimeUnit.MICROSECONDS));
85	<	assertEquals(t,
86	<	TimeUnit.NANOSECONDS.convert(t,
87	<	TimeUnit.NANOSECONDS));
39	>	for (long t = 0; t < 88888; ++t) {
40	>	assertEquals(t*60*60*24,
41	>	SECONDS.convert(t, DAYS));
42	>	assertEquals(t*60*60,
43	>	SECONDS.convert(t, HOURS));
44	>	assertEquals(t*60,
45	>	SECONDS.convert(t, MINUTES));
46	>	assertEquals(t,
47	>	SECONDS.convert(t, SECONDS));
48	>	assertEquals(t,
49	>	SECONDS.convert(1000L*t, MILLISECONDS));
50	>	assertEquals(t,
51	>	SECONDS.convert(1000000L*t, MICROSECONDS));
52	>	assertEquals(t,
53	>	SECONDS.convert(1000000000L*t, NANOSECONDS));
54	>
55	>	assertEquals(1000L*t*60*60*24,
56	>	MILLISECONDS.convert(t, DAYS));
57	>	assertEquals(1000L*t*60*60,
58	>	MILLISECONDS.convert(t, HOURS));
59	>	assertEquals(1000L*t*60,
60	>	MILLISECONDS.convert(t, MINUTES));
61	>	assertEquals(1000L*t,
62	>	MILLISECONDS.convert(t, SECONDS));
63	>	assertEquals(t,
64	>	MILLISECONDS.convert(t, MILLISECONDS));
65	>	assertEquals(t,
66	>	MILLISECONDS.convert(1000L*t, MICROSECONDS));
67	>	assertEquals(t,
68	>	MILLISECONDS.convert(1000000L*t, NANOSECONDS));
69	>
70	>	assertEquals(1000000L*t*60*60*24,
71	>	MICROSECONDS.convert(t, DAYS));
72	>	assertEquals(1000000L*t*60*60,
73	>	MICROSECONDS.convert(t, HOURS));
74	>	assertEquals(1000000L*t*60,
75	>	MICROSECONDS.convert(t, MINUTES));
76	>	assertEquals(1000000L*t,
77	>	MICROSECONDS.convert(t, SECONDS));
78	>	assertEquals(1000L*t,
79	>	MICROSECONDS.convert(t, MILLISECONDS));
80	>	assertEquals(t,
81	>	MICROSECONDS.convert(t, MICROSECONDS));
82	>	assertEquals(t,
83	>	MICROSECONDS.convert(1000L*t, NANOSECONDS));
84	>
85	>	assertEquals(1000000000L*t*60*60*24,
86	>	NANOSECONDS.convert(t, DAYS));
87	>	assertEquals(1000000000L*t*60*60,
88	>	NANOSECONDS.convert(t, HOURS));
89	>	assertEquals(1000000000L*t*60,
90	>	NANOSECONDS.convert(t, MINUTES));
91	>	assertEquals(1000000000L*t,
92	>	NANOSECONDS.convert(t, SECONDS));
93	>	assertEquals(1000000L*t,
94	>	NANOSECONDS.convert(t, MILLISECONDS));
95	>	assertEquals(1000L*t,
96	>	NANOSECONDS.convert(t, MICROSECONDS));
97	>	assertEquals(t,
98	>	NANOSECONDS.convert(t, NANOSECONDS));
99		}
100		}
101
#	Line 80 | Line 104 | public class TimeUnitTest extends JSR166
104		* nanoseconds
105		*/
106		public void testToNanos() {
107	<	for (long t = 0; t < 10; ++t) {
108	<	assertEquals(1000000000 * t,
109	<	TimeUnit.SECONDS.toNanos(t));
110	<
111	<	assertEquals(1000000 * t,
112	<	TimeUnit.MILLISECONDS.toNanos(t));
113	<	assertEquals(1000 * t,
114	<	TimeUnit.MICROSECONDS.toNanos(t));
115	<	assertEquals(t,
116	<	TimeUnit.NANOSECONDS.toNanos(t));
107	>	for (long t = 0; t < 88888; ++t) {
108	>	assertEquals(t*1000000000L*60*60*24,
109	>	DAYS.toNanos(t));
110	>	assertEquals(t*1000000000L*60*60,
111	>	HOURS.toNanos(t));
112	>	assertEquals(t*1000000000L*60,
113	>	MINUTES.toNanos(t));
114	>	assertEquals(1000000000L*t,
115	>	SECONDS.toNanos(t));
116	>	assertEquals(1000000L*t,
117	>	MILLISECONDS.toNanos(t));
118	>	assertEquals(1000L*t,
119	>	MICROSECONDS.toNanos(t));
120	>	assertEquals(t,
121	>	NANOSECONDS.toNanos(t));
122		}
123		}
124
#	Line 98 | Line 127 | public class TimeUnitTest extends JSR166
127		* microseconds
128		*/
129		public void testToMicros() {
130	<	for (long t = 0; t < 10; ++t) {
131	<	assertEquals(1000000 * t,
132	<	TimeUnit.SECONDS.toMicros(t));
133	<
134	<	assertEquals(1000 * t,
135	<	TimeUnit.MILLISECONDS.toMicros(t));
136	<	assertEquals(t,
137	<	TimeUnit.MICROSECONDS.toMicros(t));
138	<	assertEquals(t,
139	<	TimeUnit.NANOSECONDS.toMicros(t * 1000));
130	>	for (long t = 0; t < 88888; ++t) {
131	>	assertEquals(t*1000000L*60*60*24,
132	>	DAYS.toMicros(t));
133	>	assertEquals(t*1000000L*60*60,
134	>	HOURS.toMicros(t));
135	>	assertEquals(t*1000000L*60,
136	>	MINUTES.toMicros(t));
137	>	assertEquals(1000000L*t,
138	>	SECONDS.toMicros(t));
139	>	assertEquals(1000L*t,
140	>	MILLISECONDS.toMicros(t));
141	>	assertEquals(t,
142	>	MICROSECONDS.toMicros(t));
143	>	assertEquals(t,
144	>	NANOSECONDS.toMicros(t*1000L));
145		}
146		}
147
#	Line 116 | Line 150 | public class TimeUnitTest extends JSR166
150		* milliseconds
151		*/
152		public void testToMillis() {
153	<	for (long t = 0; t < 10; ++t) {
154	<	assertEquals(1000 * t,
155	<	TimeUnit.SECONDS.toMillis(t));
156	<
157	<	assertEquals(t,
158	<	TimeUnit.MILLISECONDS.toMillis(t));
159	<	assertEquals(t,
160	<	TimeUnit.MICROSECONDS.toMillis(t * 1000));
161	<	assertEquals(t,
162	<	TimeUnit.NANOSECONDS.toMillis(t * 1000000));
153	>	for (long t = 0; t < 88888; ++t) {
154	>	assertEquals(t*1000L*60*60*24,
155	>	DAYS.toMillis(t));
156	>	assertEquals(t*1000L*60*60,
157	>	HOURS.toMillis(t));
158	>	assertEquals(t*1000L*60,
159	>	MINUTES.toMillis(t));
160	>	assertEquals(1000L*t,
161	>	SECONDS.toMillis(t));
162	>	assertEquals(t,
163	>	MILLISECONDS.toMillis(t));
164	>	assertEquals(t,
165	>	MICROSECONDS.toMillis(t*1000L));
166	>	assertEquals(t,
167	>	NANOSECONDS.toMillis(t*1000000L));
168		}
169		}
170
#	Line 134 | Line 173 | public class TimeUnitTest extends JSR166
173		* seconds
174		*/
175		public void testToSeconds() {
176	<	for (long t = 0; t < 10; ++t) {
177	<	assertEquals(t,
178	<	TimeUnit.SECONDS.toSeconds(t));
179	<
180	<	assertEquals(t,
181	<	TimeUnit.MILLISECONDS.toSeconds(t * 1000));
182	<	assertEquals(t,
183	<	TimeUnit.MICROSECONDS.toSeconds(t * 1000000));
184	<	assertEquals(t,
185	<	TimeUnit.NANOSECONDS.toSeconds(t * 1000000000));
176	>	for (long t = 0; t < 88888; ++t) {
177	>	assertEquals(t*60*60*24,
178	>	DAYS.toSeconds(t));
179	>	assertEquals(t*60*60,
180	>	HOURS.toSeconds(t));
181	>	assertEquals(t*60,
182	>	MINUTES.toSeconds(t));
183	>	assertEquals(t,
184	>	SECONDS.toSeconds(t));
185	>	assertEquals(t,
186	>	MILLISECONDS.toSeconds(t*1000L));
187	>	assertEquals(t,
188	>	MICROSECONDS.toSeconds(t*1000000L));
189	>	assertEquals(t,
190	>	NANOSECONDS.toSeconds(t*1000000000L));
191	>	}
192	>	}
193	>
194	>	/**
195	>	* toMinutes correctly converts sample values in different units to
196	>	* minutes
197	>	*/
198	>	public void testToMinutes() {
199	>	for (long t = 0; t < 88888; ++t) {
200	>	assertEquals(t*60*24,
201	>	DAYS.toMinutes(t));
202	>	assertEquals(t*60,
203	>	HOURS.toMinutes(t));
204	>	assertEquals(t,
205	>	MINUTES.toMinutes(t));
206	>	assertEquals(t,
207	>	SECONDS.toMinutes(t*60));
208	>	assertEquals(t,
209	>	MILLISECONDS.toMinutes(t*1000L*60));
210	>	assertEquals(t,
211	>	MICROSECONDS.toMinutes(t*1000000L*60));
212	>	assertEquals(t,
213	>	NANOSECONDS.toMinutes(t*1000000000L*60));
214	>	}
215	>	}
216	>
217	>	/**
218	>	* toHours correctly converts sample values in different units to
219	>	* hours
220	>	*/
221	>	public void testToHours() {
222	>	for (long t = 0; t < 88888; ++t) {
223	>	assertEquals(t*24,
224	>	DAYS.toHours(t));
225	>	assertEquals(t,
226	>	HOURS.toHours(t));
227	>	assertEquals(t,
228	>	MINUTES.toHours(t*60));
229	>	assertEquals(t,
230	>	SECONDS.toHours(t*60*60));
231	>	assertEquals(t,
232	>	MILLISECONDS.toHours(t*1000L*60*60));
233	>	assertEquals(t,
234	>	MICROSECONDS.toHours(t*1000000L*60*60));
235	>	assertEquals(t,
236	>	NANOSECONDS.toHours(t*1000000000L*60*60));
237		}
238		}
239
240	+	/**
241	+	* toDays correctly converts sample values in different units to
242	+	* days
243	+	*/
244	+	public void testToDays() {
245	+	for (long t = 0; t < 88888; ++t) {
246	+	assertEquals(t,
247	+	DAYS.toDays(t));
248	+	assertEquals(t,
249	+	HOURS.toDays(t*24));
250	+	assertEquals(t,
251	+	MINUTES.toDays(t*60*24));
252	+	assertEquals(t,
253	+	SECONDS.toDays(t*60*60*24));
254	+	assertEquals(t,
255	+	MILLISECONDS.toDays(t*1000L*60*60*24));
256	+	assertEquals(t,
257	+	MICROSECONDS.toDays(t*1000000L*60*60*24));
258	+	assertEquals(t,
259	+	NANOSECONDS.toDays(t*1000000000L*60*60*24));
260	+	}
261	+	}
262
263		/**
264	<	* convert saturates positive too-large values to Long.MAX_VALUE
264	>	* convert saturates positive too-large values to Long.MAX_VALUE
265		* and negative to LONG.MIN_VALUE
266		*/
267		public void testConvertSaturate() {
268		assertEquals(Long.MAX_VALUE,
269	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
270	<	TimeUnit.SECONDS));
269	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
270	>	assertEquals(Long.MIN_VALUE,
271	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS));
272	>	assertEquals(Long.MAX_VALUE,
273	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES));
274		assertEquals(Long.MIN_VALUE,
275	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
276	<	TimeUnit.SECONDS));
275	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES));
276	>	assertEquals(Long.MAX_VALUE,
277	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS));
278	>	assertEquals(Long.MIN_VALUE,
279	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS));
280	>	assertEquals(Long.MAX_VALUE,
281	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS));
282	>	assertEquals(Long.MIN_VALUE,
283	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS));
284		}
285
286		/**
287	<	* toNanos saturates positive too-large values to Long.MAX_VALUE
287	>	* toNanos saturates positive too-large values to Long.MAX_VALUE
288		* and negative to LONG.MIN_VALUE
289		*/
290		public void testToNanosSaturate() {
291	<	assertEquals(Long.MAX_VALUE,
292	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
293	<	assertEquals(Long.MIN_VALUE,
294	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
291	>	assertEquals(Long.MAX_VALUE,
292	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
293	>	assertEquals(Long.MIN_VALUE,
294	>	MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
295		}
296
175	–
297		/**
298	<	* toString returns string containing commn name of unit
298	>	* toString returns name of unit
299		*/
300		public void testToString() {
301	<	String s = TimeUnit.SECONDS.toString();
181	<	assertTrue(s.indexOf("econd") >= 0);
301	>	assertEquals("SECONDS", SECONDS.toString());
302		}
303
184	–
185	–	/**
186	–	*  Timed wait without holding lock throws
187	–	*  IllegalMonitorStateException
188	–	*/
189	–	public void testTimedWait_IllegalMonitorException() {
190	–	//created a new thread with anonymous runnable
191	–
192	–	Thread t = new Thread(new Runnable() {
193	–	public void run() {
194	–	Object o = new Object();
195	–	TimeUnit tu = TimeUnit.MILLISECONDS;
196	–	try {
197	–	tu.timedWait(o,LONG_DELAY_MS);
198	–	threadShouldThrow();
199	–	}
200	–	catch (InterruptedException ie) {
201	–	threadUnexpectedException();
202	–	}
203	–	catch(IllegalMonitorStateException success) {
204	–	}
205	–
206	–	}
207	–	});
208	–	t.start();
209	–	try {
210	–	Thread.sleep(SHORT_DELAY_MS);
211	–	t.interrupt();
212	–	t.join();
213	–	} catch(Exception e) {
214	–	unexpectedException();
215	–	}
216	–	}
217	–
304		/**
305	<	* timedWait throws InterruptedException when interrupted
305	>	* name returns name of unit
306		*/
307	<	public void testTimedWait() {
308	<	Thread t = new Thread(new Runnable() {
223	<	public void run() {
224	<	Object o = new Object();
225	<
226	<	TimeUnit tu = TimeUnit.MILLISECONDS;
227	<	try {
228	<	synchronized(o) {
229	<	tu.timedWait(o,MEDIUM_DELAY_MS);
230	<	}
231	<	threadShouldThrow();
232	<	}
233	<	catch(InterruptedException success) {}
234	<	catch(IllegalMonitorStateException failure) {
235	<	threadUnexpectedException();
236	<	}
237	<	}
238	<	});
239	<	t.start();
240	<	try {
241	<	Thread.sleep(SHORT_DELAY_MS);
242	<	t.interrupt();
243	<	t.join();
244	<	} catch(Exception e) {
245	<	unexpectedException();
246	<	}
307	>	public void testName() {
308	>	assertEquals("SECONDS", SECONDS.name());
309		}
310	<
249	<
310	>
311		/**
312	<	* timedJoin throws InterruptedException when interrupted
312	>	* Timed wait without holding lock throws
313	>	* IllegalMonitorStateException
314		*/
315	<	public void testTimedJoin() {
316	<	Thread t = new Thread(new Runnable() {
317	<	public void run() {
318	<	TimeUnit tu = TimeUnit.MILLISECONDS;
319	<	try {
320	<	Thread s = new Thread(new Runnable() {
321	<	public void run() {
322	<	try {
323	<	Thread.sleep(MEDIUM_DELAY_MS);
324	<	} catch(InterruptedException success){}
325	<	}
326	<	});
327	<	s.start();
266	<	tu.timedJoin(s,MEDIUM_DELAY_MS);
267	<	threadShouldThrow();
268	<	}
269	<	catch(Exception e) {}
270	<	}
271	<	});
272	<	t.start();
273	<	try {
274	<	Thread.sleep(SHORT_DELAY_MS);
275	<	t.interrupt();
276	<	t.join();
277	<	} catch(Exception e) {
278	<	unexpectedException();
279	<	}
315	>	public void testTimedWait_IllegalMonitorException() {
316	>	Thread t = newStartedThread(new CheckedRunnable() {
317	>	public void realRun() throws InterruptedException {
318	>	Object o = new Object();
319	>	TimeUnit tu = MILLISECONDS;
320	>
321	>	try {
322	>	tu.timedWait(o, LONG_DELAY_MS);
323	>	threadShouldThrow();
324	>	} catch (IllegalMonitorStateException success) {}
325	>	}});
326	>
327	>	awaitTermination(t);
328		}
329	<
329	>
330		/**
331	<	*  timedSleep throws InterruptedException when interrupted
331	>	* timedWait throws InterruptedException when interrupted
332		*/
333	<	public void testTimedSleep() {
334	<	//created a new thread with anonymous runnable
335	<
336	<	Thread t = new Thread(new Runnable() {
337	<	public void run() {
338	<	TimeUnit tu = TimeUnit.MILLISECONDS;
339	<	try {
340	<	tu.sleep(MEDIUM_DELAY_MS);
341	<	threadShouldThrow();
342	<	}
343	<	catch(InterruptedException success) {}
344	<	}
345	<	});
346	<	t.start();
347	<	try {
348	<	Thread.sleep(SHORT_DELAY_MS);
349	<	t.interrupt();
350	<	t.join();
351	<	} catch(Exception e) {
352	<	unexpectedException();
353	<	}
333	>	public void testTimedWait_Interruptible() {
334	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
335	>	Thread t = newStartedThread(new CheckedRunnable() {
336	>	public void realRun() throws InterruptedException {
337	>	Object o = new Object();
338	>	TimeUnit tu = MILLISECONDS;
339	>
340	>	Thread.currentThread().interrupt();
341	>	try {
342	>	synchronized (o) {
343	>	tu.timedWait(o, LONG_DELAY_MS);
344	>	}
345	>	shouldThrow();
346	>	} catch (InterruptedException success) {}
347	>	assertFalse(Thread.interrupted());
348	>
349	>	pleaseInterrupt.countDown();
350	>	try {
351	>	synchronized (o) {
352	>	tu.timedWait(o, LONG_DELAY_MS);
353	>	}
354	>	shouldThrow();
355	>	} catch (InterruptedException success) {}
356	>	assertFalse(Thread.interrupted());
357	>	}});
358	>
359	>	await(pleaseInterrupt);
360	>	assertThreadStaysAlive(t);
361	>	t.interrupt();
362	>	awaitTermination(t);
363		}
364
365		/**
366	<	* a deserialized serialized unit is equal
366	>	* timedJoin throws InterruptedException when interrupted
367		*/
368	<	public void testSerialization() {
369	<	TimeUnit q = TimeUnit.MILLISECONDS;
370	<
371	<	try {
372	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
373	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
374	<	out.writeObject(q);
375	<	out.close();
376	<
377	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
378	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
379	<	TimeUnit r = (TimeUnit)in.readObject();
380	<
381	<	assertEquals(q.toString(), r.toString());
382	<	} catch(Exception e){
383	<	e.printStackTrace();
384	<	unexpectedException();
368	>	public void testTimedJoin_Interruptible() {
369	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
370	>	final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
371	>	public void realRun() throws InterruptedException {
372	>	Thread.sleep(LONG_DELAY_MS);
373	>	}});
374	>	final Thread t = newStartedThread(new CheckedRunnable() {
375	>	public void realRun() throws InterruptedException {
376	>	TimeUnit tu = MILLISECONDS;
377	>	Thread.currentThread().interrupt();
378	>	try {
379	>	tu.timedJoin(s, LONG_DELAY_MS);
380	>	shouldThrow();
381	>	} catch (InterruptedException success) {}
382	>	assertFalse(Thread.interrupted());
383	>
384	>	pleaseInterrupt.countDown();
385	>	try {
386	>	tu.timedJoin(s, LONG_DELAY_MS);
387	>	shouldThrow();
388	>	} catch (InterruptedException success) {}
389	>	assertFalse(Thread.interrupted());
390	>	}});
391	>
392	>	await(pleaseInterrupt);
393	>	assertThreadStaysAlive(t);
394	>	t.interrupt();
395	>	awaitTermination(t);
396	>	s.interrupt();
397	>	awaitTermination(s);
398	>	}
399	>
400	>	/**
401	>	* timedSleep throws InterruptedException when interrupted
402	>	*/
403	>	public void testTimedSleep_Interruptible() {
404	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
405	>	Thread t = newStartedThread(new CheckedRunnable() {
406	>	public void realRun() throws InterruptedException {
407	>	TimeUnit tu = MILLISECONDS;
408	>	Thread.currentThread().interrupt();
409	>	try {
410	>	tu.sleep(LONG_DELAY_MS);
411	>	shouldThrow();
412	>	} catch (InterruptedException success) {}
413	>	assertFalse(Thread.interrupted());
414	>
415	>	pleaseInterrupt.countDown();
416	>	try {
417	>	tu.sleep(LONG_DELAY_MS);
418	>	shouldThrow();
419	>	} catch (InterruptedException success) {}
420	>	assertFalse(Thread.interrupted());
421	>	}});
422	>
423	>	await(pleaseInterrupt);
424	>	assertThreadStaysAlive(t);
425	>	t.interrupt();
426	>	awaitTermination(t);
427	>	}
428	>
429	>	/**
430	>	* a deserialized serialized unit is the same instance
431	>	*/
432	>	public void testSerialization() throws Exception {
433	>	TimeUnit x = MILLISECONDS;
434	>	assertSame(x, serialClone(x));
435	>	}
436	>
437	>	/**
438	>	* tests for toChronoUnit.
439	>	*/
440	>	public void testToChronoUnit() throws Exception {
441	>	assertSame(ChronoUnit.NANOS,   NANOSECONDS.toChronoUnit());
442	>	assertSame(ChronoUnit.MICROS,  MICROSECONDS.toChronoUnit());
443	>	assertSame(ChronoUnit.MILLIS,  MILLISECONDS.toChronoUnit());
444	>	assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
445	>	assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
446	>	assertSame(ChronoUnit.HOURS,   HOURS.toChronoUnit());
447	>	assertSame(ChronoUnit.DAYS,    DAYS.toChronoUnit());
448	>
449	>	// Every TimeUnit has a defined ChronoUnit equivalent
450	>	for (TimeUnit x : TimeUnit.values())
451	>	assertSame(x, TimeUnit.of(x.toChronoUnit()));
452	>	}
453	>
454	>	/**
455	>	* tests for TimeUnit.of(ChronoUnit).
456	>	*/
457	>	public void testTimeUnitOf() throws Exception {
458	>	assertSame(NANOSECONDS,  TimeUnit.of(ChronoUnit.NANOS));
459	>	assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
460	>	assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
461	>	assertSame(SECONDS,      TimeUnit.of(ChronoUnit.SECONDS));
462	>	assertSame(MINUTES,      TimeUnit.of(ChronoUnit.MINUTES));
463	>	assertSame(HOURS,        TimeUnit.of(ChronoUnit.HOURS));
464	>	assertSame(DAYS,         TimeUnit.of(ChronoUnit.DAYS));
465	>
466	>	assertThrows(NullPointerException.class,
467	>	() -> TimeUnit.of((ChronoUnit)null));
468	>
469	>	// ChronoUnits either round trip to their TimeUnit
470	>	// equivalents, or throw IllegalArgumentException.
471	>	for (ChronoUnit cu : ChronoUnit.values()) {
472	>	final TimeUnit tu;
473	>	try {
474	>	tu = TimeUnit.of(cu);
475	>	} catch (IllegalArgumentException acceptable) {
476	>	continue;
477	>	}
478	>	assertSame(cu, tu.toChronoUnit());
479		}
480		}
481

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