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Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.28 by jsr166, Fri Mar 18 16:55:09 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	<	*
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	>	for (TimeUnit x : TimeUnit.values()) {
102	>	long[] zs = {
103	>	0, 1, -1,
104	>	Integer.MAX_VALUE, Integer.MIN_VALUE,
105	>	Long.MAX_VALUE, Long.MIN_VALUE,
106	>	};
107	>	for (long z : zs) assertEquals(z, x.convert(z, x));
108		}
109		}
110
111		/**
112	<	*
112	>	* toNanos correctly converts sample values in different units to
113	>	* nanoseconds
114		*/
115		public void testToNanos() {
116	<	for (long t = 0; t < 10; ++t) {
117	<	assertEquals(1000000000 * t,
118	<	TimeUnit.SECONDS.toNanos(t));
119	<
120	<	assertEquals(1000000 * t,
121	<	TimeUnit.MILLISECONDS.toNanos(t));
122	<	assertEquals(1000 * t,
123	<	TimeUnit.MICROSECONDS.toNanos(t));
124	<	assertEquals(t,
125	<	TimeUnit.NANOSECONDS.toNanos(t));
116	>	for (long t = 0; t < 88888; ++t) {
117	>	assertEquals(t*1000000000L*60*60*24,
118	>	DAYS.toNanos(t));
119	>	assertEquals(t*1000000000L*60*60,
120	>	HOURS.toNanos(t));
121	>	assertEquals(t*1000000000L*60,
122	>	MINUTES.toNanos(t));
123	>	assertEquals(1000000000L*t,
124	>	SECONDS.toNanos(t));
125	>	assertEquals(1000000L*t,
126	>	MILLISECONDS.toNanos(t));
127	>	assertEquals(1000L*t,
128	>	MICROSECONDS.toNanos(t));
129	>	assertEquals(t,
130	>	NANOSECONDS.toNanos(t));
131		}
132		}
133
134		/**
135	<	*
135	>	* toMicros correctly converts sample values in different units to
136	>	* microseconds
137		*/
138		public void testToMicros() {
139	<	for (long t = 0; t < 10; ++t) {
140	<	assertEquals(1000000 * t,
141	<	TimeUnit.SECONDS.toMicros(t));
142	<
143	<	assertEquals(1000 * t,
144	<	TimeUnit.MILLISECONDS.toMicros(t));
145	<	assertEquals(t,
146	<	TimeUnit.MICROSECONDS.toMicros(t));
147	<	assertEquals(t,
148	<	TimeUnit.NANOSECONDS.toMicros(t * 1000));
139	>	for (long t = 0; t < 88888; ++t) {
140	>	assertEquals(t*1000000L*60*60*24,
141	>	DAYS.toMicros(t));
142	>	assertEquals(t*1000000L*60*60,
143	>	HOURS.toMicros(t));
144	>	assertEquals(t*1000000L*60,
145	>	MINUTES.toMicros(t));
146	>	assertEquals(1000000L*t,
147	>	SECONDS.toMicros(t));
148	>	assertEquals(1000L*t,
149	>	MILLISECONDS.toMicros(t));
150	>	assertEquals(t,
151	>	MICROSECONDS.toMicros(t));
152	>	assertEquals(t,
153	>	NANOSECONDS.toMicros(t*1000L));
154		}
155		}
156
157		/**
158	<	*
158	>	* toMillis correctly converts sample values in different units to
159	>	* milliseconds
160		*/
161		public void testToMillis() {
162	<	for (long t = 0; t < 10; ++t) {
163	<	assertEquals(1000 * t,
164	<	TimeUnit.SECONDS.toMillis(t));
165	<
166	<	assertEquals(t,
167	<	TimeUnit.MILLISECONDS.toMillis(t));
168	<	assertEquals(t,
169	<	TimeUnit.MICROSECONDS.toMillis(t * 1000));
170	<	assertEquals(t,
171	<	TimeUnit.NANOSECONDS.toMillis(t * 1000000));
162	>	for (long t = 0; t < 88888; ++t) {
163	>	assertEquals(t*1000L*60*60*24,
164	>	DAYS.toMillis(t));
165	>	assertEquals(t*1000L*60*60,
166	>	HOURS.toMillis(t));
167	>	assertEquals(t*1000L*60,
168	>	MINUTES.toMillis(t));
169	>	assertEquals(1000L*t,
170	>	SECONDS.toMillis(t));
171	>	assertEquals(t,
172	>	MILLISECONDS.toMillis(t));
173	>	assertEquals(t,
174	>	MICROSECONDS.toMillis(t*1000L));
175	>	assertEquals(t,
176	>	NANOSECONDS.toMillis(t*1000000L));
177		}
178		}
179
180		/**
181	<	*
181	>	* toSeconds correctly converts sample values in different units to
182	>	* seconds
183		*/
184		public void testToSeconds() {
185	<	for (long t = 0; t < 10; ++t) {
186	<	assertEquals(t,
187	<	TimeUnit.SECONDS.toSeconds(t));
185	>	for (long t = 0; t < 88888; ++t) {
186	>	assertEquals(t*60*60*24,
187	>	DAYS.toSeconds(t));
188	>	assertEquals(t*60*60,
189	>	HOURS.toSeconds(t));
190	>	assertEquals(t*60,
191	>	MINUTES.toSeconds(t));
192	>	assertEquals(t,
193	>	SECONDS.toSeconds(t));
194	>	assertEquals(t,
195	>	MILLISECONDS.toSeconds(t*1000L));
196	>	assertEquals(t,
197	>	MICROSECONDS.toSeconds(t*1000000L));
198	>	assertEquals(t,
199	>	NANOSECONDS.toSeconds(t*1000000000L));
200	>	}
201	>	}
202	>
203	>	/**
204	>	* toMinutes correctly converts sample values in different units to
205	>	* minutes
206	>	*/
207	>	public void testToMinutes() {
208	>	for (long t = 0; t < 88888; ++t) {
209	>	assertEquals(t*60*24,
210	>	DAYS.toMinutes(t));
211	>	assertEquals(t*60,
212	>	HOURS.toMinutes(t));
213	>	assertEquals(t,
214	>	MINUTES.toMinutes(t));
215	>	assertEquals(t,
216	>	SECONDS.toMinutes(t*60));
217	>	assertEquals(t,
218	>	MILLISECONDS.toMinutes(t*1000L*60));
219	>	assertEquals(t,
220	>	MICROSECONDS.toMinutes(t*1000000L*60));
221	>	assertEquals(t,
222	>	NANOSECONDS.toMinutes(t*1000000000L*60));
223	>	}
224	>	}
225
226	<	assertEquals(t,
227	<	TimeUnit.MILLISECONDS.toSeconds(t * 1000));
228	<	assertEquals(t,
229	<	TimeUnit.MICROSECONDS.toSeconds(t * 1000000));
230	<	assertEquals(t,
231	<	TimeUnit.NANOSECONDS.toSeconds(t * 1000000000));
226	>	/**
227	>	* toHours correctly converts sample values in different units to
228	>	* hours
229	>	*/
230	>	public void testToHours() {
231	>	for (long t = 0; t < 88888; ++t) {
232	>	assertEquals(t*24,
233	>	DAYS.toHours(t));
234	>	assertEquals(t,
235	>	HOURS.toHours(t));
236	>	assertEquals(t,
237	>	MINUTES.toHours(t*60));
238	>	assertEquals(t,
239	>	SECONDS.toHours(t*60*60));
240	>	assertEquals(t,
241	>	MILLISECONDS.toHours(t*1000L*60*60));
242	>	assertEquals(t,
243	>	MICROSECONDS.toHours(t*1000000L*60*60));
244	>	assertEquals(t,
245	>	NANOSECONDS.toHours(t*1000000000L*60*60));
246		}
247		}
248
249	+	/**
250	+	* toDays correctly converts sample values in different units to
251	+	* days
252	+	*/
253	+	public void testToDays() {
254	+	for (long t = 0; t < 88888; ++t) {
255	+	assertEquals(t,
256	+	DAYS.toDays(t));
257	+	assertEquals(t,
258	+	HOURS.toDays(t*24));
259	+	assertEquals(t,
260	+	MINUTES.toDays(t*60*24));
261	+	assertEquals(t,
262	+	SECONDS.toDays(t*60*60*24));
263	+	assertEquals(t,
264	+	MILLISECONDS.toDays(t*1000L*60*60*24));
265	+	assertEquals(t,
266	+	MICROSECONDS.toDays(t*1000000L*60*60*24));
267	+	assertEquals(t,
268	+	NANOSECONDS.toDays(t*1000000000L*60*60*24));
269	+	}
270	+	}
271
272		/**
273	<	*
273	>	* convert saturates positive too-large values to Long.MAX_VALUE
274	>	* and negative to LONG.MIN_VALUE
275		*/
276		public void testConvertSaturate() {
277		assertEquals(Long.MAX_VALUE,
278	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
279	<	TimeUnit.SECONDS));
278	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
279	>	assertEquals(Long.MIN_VALUE,
280	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS));
281	>	assertEquals(Long.MAX_VALUE,
282	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES));
283	>	assertEquals(Long.MIN_VALUE,
284	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES));
285	>	assertEquals(Long.MAX_VALUE,
286	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS));
287		assertEquals(Long.MIN_VALUE,
288	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
289	<	TimeUnit.SECONDS));
288	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS));
289	>	assertEquals(Long.MAX_VALUE,
290	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS));
291	>	assertEquals(Long.MIN_VALUE,
292	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS));
293
294	+	for (TimeUnit x : TimeUnit.values())
295	+	for (TimeUnit y : TimeUnit.values()) {
296	+	long ratio = x.toNanos(1) / y.toNanos(1);
297	+	if (ratio > 1) {
298	+	assertEquals(ratio, y.convert(1, x));
299	+	assertEquals(1, x.convert(ratio, y));
300	+	long max = Long.MAX_VALUE/ratio;
301	+	assertEquals(max * ratio, y.convert(max, x));
302	+	assertEquals(-max * ratio, y.convert(-max, x));
303	+	assertEquals(max, x.convert(max * ratio, y));
304	+	assertEquals(-max, x.convert(-max * ratio, y));
305	+	assertEquals(Long.MAX_VALUE, y.convert(max + 1, x));
306	+	assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x));
307	+	assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x));
308	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x));
309	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x));
310	+	}
311	+	}
312		}
313
314		/**
315	<	*
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));
323	<
319	>	assertEquals(Long.MAX_VALUE,
320	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
321	>	assertEquals(Long.MIN_VALUE,
322	>	MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
323	>
324	>	for (TimeUnit x : TimeUnit.values()) {
325	>	long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1);
326	>	if (ratio > 1) {
327	>	long max = Long.MAX_VALUE/ratio;
328	>	for (long z : new long[] {0, 1, -1, max, -max})
329	>	assertEquals(z * ratio, x.toNanos(z));
330	>	assertEquals(Long.MAX_VALUE, x.toNanos(max + 1));
331	>	assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1));
332	>	assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE));
333	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE));
334	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1));
335	>	if (max < Integer.MAX_VALUE) {
336	>	assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE));
337	>	assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE));
338	>	}
339	>	}
340	>	}
341		}
342
343	+	/**
344	+	* toMicros saturates positive too-large values to Long.MAX_VALUE
345	+	* and negative to LONG.MIN_VALUE
346	+	*/
347	+	public void testToMicrosSaturate() {
348	+	for (TimeUnit x : TimeUnit.values()) {
349	+	long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1);
350	+	if (ratio > 1) {
351	+	long max = Long.MAX_VALUE/ratio;
352	+	for (long z : new long[] {0, 1, -1, max, -max})
353	+	assertEquals(z * ratio, x.toMicros(z));
354	+	assertEquals(Long.MAX_VALUE, x.toMicros(max + 1));
355	+	assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1));
356	+	assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE));
357	+	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE));
358	+	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1));
359	+	if (max < Integer.MAX_VALUE) {
360	+	assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE));
361	+	assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE));
362	+	}
363	+	}
364	+	}
365	+	}
366	+
367	+	/**
368	+	* toMillis saturates positive too-large values to Long.MAX_VALUE
369	+	* and negative to LONG.MIN_VALUE
370	+	*/
371	+	public void testToMillisSaturate() {
372	+	for (TimeUnit x : TimeUnit.values()) {
373	+	long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1);
374	+	if (ratio > 1) {
375	+	long max = Long.MAX_VALUE/ratio;
376	+	for (long z : new long[] {0, 1, -1, max, -max})
377	+	assertEquals(z * ratio, x.toMillis(z));
378	+	assertEquals(Long.MAX_VALUE, x.toMillis(max + 1));
379	+	assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1));
380	+	assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE));
381	+	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE));
382	+	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1));
383	+	if (max < Integer.MAX_VALUE) {
384	+	assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE));
385	+	assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE));
386	+	}
387	+	}
388	+	}
389	+	}
390	+
391	+	/**
392	+	* toSeconds saturates positive too-large values to Long.MAX_VALUE
393	+	* and negative to LONG.MIN_VALUE
394	+	*/
395	+	public void testToSecondsSaturate() {
396	+	for (TimeUnit x : TimeUnit.values()) {
397	+	long ratio = x.toNanos(1) / SECONDS.toNanos(1);
398	+	if (ratio > 1) {
399	+	long max = Long.MAX_VALUE/ratio;
400	+	for (long z : new long[] {0, 1, -1, max, -max})
401	+	assertEquals(z * ratio, x.toSeconds(z));
402	+	assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1));
403	+	assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1));
404	+	assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE));
405	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE));
406	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1));
407	+	if (max < Integer.MAX_VALUE) {
408	+	assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE));
409	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE));
410	+	}
411	+	}
412	+	}
413	+	}
414	+
415	+	/**
416	+	* toMinutes saturates positive too-large values to Long.MAX_VALUE
417	+	* and negative to LONG.MIN_VALUE
418	+	*/
419	+	public void testToMinutesSaturate() {
420	+	for (TimeUnit x : TimeUnit.values()) {
421	+	long ratio = x.toNanos(1) / MINUTES.toNanos(1);
422	+	if (ratio > 1) {
423	+	long max = Long.MAX_VALUE/ratio;
424	+	for (long z : new long[] {0, 1, -1, max, -max})
425	+	assertEquals(z * ratio, x.toMinutes(z));
426	+	assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1));
427	+	assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1));
428	+	assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE));
429	+	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE));
430	+	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1));
431	+	}
432	+	}
433	+	}
434	+
435	+	/**
436	+	* toHours saturates positive too-large values to Long.MAX_VALUE
437	+	* and negative to LONG.MIN_VALUE
438	+	*/
439	+	public void testToHoursSaturate() {
440	+	for (TimeUnit x : TimeUnit.values()) {
441	+	long ratio = x.toNanos(1) / HOURS.toNanos(1);
442	+	if (ratio > 1) {
443	+	long max = Long.MAX_VALUE/ratio;
444	+	for (long z : new long[] {0, 1, -1, max, -max})
445	+	assertEquals(z * ratio, x.toHours(z));
446	+	assertEquals(Long.MAX_VALUE, x.toHours(max + 1));
447	+	assertEquals(Long.MIN_VALUE, x.toHours(-max - 1));
448	+	assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE));
449	+	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE));
450	+	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1));
451	+	}
452	+	}
453	+	}
454
455		/**
456	<	*
456	>	* toString returns name of unit
457		*/
458		public void testToString() {
459	<	String s = TimeUnit.SECONDS.toString();
177	<	assertTrue(s.indexOf("econd") >= 0);
459	>	assertEquals("SECONDS", SECONDS.toString());
460		}
461
180	–
462		/**
463	<	*  Timed wait without holding lock throws
183	<	*  IllegalMonitorStateException
463	>	* name returns name of unit
464		*/
465	+	public void testName() {
466	+	assertEquals("SECONDS", SECONDS.name());
467	+	}
468	+
469		/**
470	<	*
470	>	* Timed wait without holding lock throws
471	>	* IllegalMonitorStateException
472		*/
473		public void testTimedWait_IllegalMonitorException() {
474	<	//created a new thread with anonymous runnable
474	>	Thread t = newStartedThread(new CheckedRunnable() {
475	>	public void realRun() throws InterruptedException {
476	>	Object o = new Object();
477	>	TimeUnit tu = MILLISECONDS;
478	>
479	>	try {
480	>	tu.timedWait(o, LONG_DELAY_MS);
481	>	threadShouldThrow();
482	>	} catch (IllegalMonitorStateException success) {}
483	>	}});
484	>
485	>	awaitTermination(t);
486	>	}
487
488	<	Thread t = new Thread(new Runnable() {
489	<	public void run() {
490	<	Object o = new Object();
491	<	TimeUnit tu = TimeUnit.MILLISECONDS;
492	<	try {
493	<	tu.timedWait(o,LONG_DELAY_MS);
494	<	threadShouldThrow();
488	>	/**
489	>	* timedWait throws InterruptedException when interrupted
490	>	*/
491	>	public void testTimedWait_Interruptible() {
492	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
493	>	Thread t = newStartedThread(new CheckedRunnable() {
494	>	public void realRun() throws InterruptedException {
495	>	Object o = new Object();
496	>	TimeUnit tu = MILLISECONDS;
497	>
498	>	Thread.currentThread().interrupt();
499	>	try {
500	>	synchronized (o) {
501	>	tu.timedWait(o, LONG_DELAY_MS);
502		}
503	<	catch (InterruptedException ie) {
504	<	threadUnexpectedException();
505	<	}
506	<	catch(IllegalMonitorStateException success) {
503	>	shouldThrow();
504	>	} catch (InterruptedException success) {}
505	>	assertFalse(Thread.interrupted());
506	>
507	>	pleaseInterrupt.countDown();
508	>	try {
509	>	synchronized (o) {
510	>	tu.timedWait(o, LONG_DELAY_MS);
511		}
512	<
513	<	}
514	<	});
515	<	t.start();
516	<	try {
517	<	Thread.sleep(SHORT_DELAY_MS);
518	<	t.interrupt();
519	<	t.join();
520	<	} catch(Exception e) {
521	<	unexpectedException();
522	<	}
523	<	}
524	<
525	<	/**
526	<	*   timedWait will throw InterruptedException.
527	<	*  Thread t waits on timedWait while the main thread interrupts it.
528	<	*  Note:  This does not throw IllegalMonitorException since timeWait
529	<	*         is synchronized on o
530	<	*/
531	<	/**
532	<	*
533	<	*/
534	<	public void testTimedWait() {
535	<	Thread t = new Thread(new Runnable() {
536	<	public void run() {
537	<	Object o = new Object();
538	<
539	<	TimeUnit tu = TimeUnit.MILLISECONDS;
540	<	try {
541	<	synchronized(o) {
542	<	tu.timedWait(o,MEDIUM_DELAY_MS);
543	<	}
544	<	threadShouldThrow();
545	<	}
546	<	catch(InterruptedException success) {}
547	<	catch(IllegalMonitorStateException failure) {
548	<	threadUnexpectedException();
549	<	}
550	<	}
551	<	});
552	<	t.start();
553	<	try {
554	<	Thread.sleep(SHORT_DELAY_MS);
555	<	t.interrupt();
556	<	t.join();
557	<	} catch(Exception e) {
558	<	unexpectedException();
559	<	}
560	<	}
561	<
562	<
563	<	/**
564	<	*   timedJoin will throw InterruptedException.
565	<	*  Thread t waits on timedJoin while the main thread interrupts it.
566	<	*/
567	<	/**
568	<	*
569	<	*/
570	<	public void testTimedJoin() {
571	<	Thread t = new Thread(new Runnable() {
572	<	public void run() {
573	<	TimeUnit tu = TimeUnit.MILLISECONDS;
574	<	try {
575	<	Thread s = new Thread(new Runnable() {
576	<	public void run() {
577	<	try {
578	<	Thread.sleep(MEDIUM_DELAY_MS);
579	<	} catch(InterruptedException success){}
580	<	}
581	<	});
582	<	s.start();
583	<	tu.timedJoin(s,MEDIUM_DELAY_MS);
584	<	threadShouldThrow();
585	<	}
586	<	catch(Exception e) {}
587	<	}
588	<	});
589	<	t.start();
590	<	try {
591	<	Thread.sleep(SHORT_DELAY_MS);
592	<	t.interrupt();
593	<	t.join();
594	<	} catch(Exception e) {
595	<	unexpectedException();
596	<	}
597	<	}
598	<
599	<	/**
600	<	*   timedSleep will throw InterruptedException.
601	<	*  Thread t waits on timedSleep while the main thread interrupts it.
602	<	*/
603	<	/**
604	<	*
605	<	*/
606	<	public void testTimedSleep() {
607	<	//created a new thread with anonymous runnable
608	<
609	<	Thread t = new Thread(new Runnable() {
610	<	public void run() {
611	<	TimeUnit tu = TimeUnit.MILLISECONDS;
612	<	try {
613	<	tu.sleep(MEDIUM_DELAY_MS);
614	<	threadShouldThrow();
615	<	}
616	<	catch(InterruptedException success) {}
617	<	}
618	<	});
619	<	t.start();
620	<	try {
621	<	Thread.sleep(SHORT_DELAY_MS);
622	<	t.interrupt();
623	<	t.join();
624	<	} catch(Exception e) {
625	<	unexpectedException();
626	<	}
627	<	}
628	<
629	<	/**
630	<	*
631	<	*/
632	<	public void testSerialization() {
633	<	TimeUnit q = TimeUnit.MILLISECONDS;
634	<
635	<	try {
636	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
329	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
330	<	out.writeObject(q);
331	<	out.close();
332	<
333	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
334	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
335	<	TimeUnit r = (TimeUnit)in.readObject();
336	<
337	<	assertEquals(q.toString(), r.toString());
338	<	} catch(Exception e){
339	<	e.printStackTrace();
340	<	unexpectedException();
512	>	shouldThrow();
513	>	} catch (InterruptedException success) {}
514	>	assertFalse(Thread.interrupted());
515	>	}});
516	>
517	>	await(pleaseInterrupt);
518	>	assertThreadStaysAlive(t);
519	>	t.interrupt();
520	>	awaitTermination(t);
521	>	}
522	>
523	>	/**
524	>	* timedJoin throws InterruptedException when interrupted
525	>	*/
526	>	public void testTimedJoin_Interruptible() {
527	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
528	>	final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
529	>	public void realRun() throws InterruptedException {
530	>	Thread.sleep(LONG_DELAY_MS);
531	>	}});
532	>	final Thread t = newStartedThread(new CheckedRunnable() {
533	>	public void realRun() throws InterruptedException {
534	>	TimeUnit tu = MILLISECONDS;
535	>	Thread.currentThread().interrupt();
536	>	try {
537	>	tu.timedJoin(s, LONG_DELAY_MS);
538	>	shouldThrow();
539	>	} catch (InterruptedException success) {}
540	>	assertFalse(Thread.interrupted());
541	>
542	>	pleaseInterrupt.countDown();
543	>	try {
544	>	tu.timedJoin(s, LONG_DELAY_MS);
545	>	shouldThrow();
546	>	} catch (InterruptedException success) {}
547	>	assertFalse(Thread.interrupted());
548	>	}});
549	>
550	>	await(pleaseInterrupt);
551	>	assertThreadStaysAlive(t);
552	>	t.interrupt();
553	>	awaitTermination(t);
554	>	s.interrupt();
555	>	awaitTermination(s);
556	>	}
557	>
558	>	/**
559	>	* timedSleep throws InterruptedException when interrupted
560	>	*/
561	>	public void testTimedSleep_Interruptible() {
562	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
563	>	Thread t = newStartedThread(new CheckedRunnable() {
564	>	public void realRun() throws InterruptedException {
565	>	TimeUnit tu = MILLISECONDS;
566	>	Thread.currentThread().interrupt();
567	>	try {
568	>	tu.sleep(LONG_DELAY_MS);
569	>	shouldThrow();
570	>	} catch (InterruptedException success) {}
571	>	assertFalse(Thread.interrupted());
572	>
573	>	pleaseInterrupt.countDown();
574	>	try {
575	>	tu.sleep(LONG_DELAY_MS);
576	>	shouldThrow();
577	>	} catch (InterruptedException success) {}
578	>	assertFalse(Thread.interrupted());
579	>	}});
580	>
581	>	await(pleaseInterrupt);
582	>	assertThreadStaysAlive(t);
583	>	t.interrupt();
584	>	awaitTermination(t);
585	>	}
586	>
587	>	/**
588	>	* a deserialized serialized unit is the same instance
589	>	*/
590	>	public void testSerialization() throws Exception {
591	>	for (TimeUnit x : TimeUnit.values())
592	>	assertSame(x, serialClone(x));
593	>	}
594	>
595	>	/**
596	>	* tests for toChronoUnit.
597	>	*/
598	>	public void testToChronoUnit() throws Exception {
599	>	assertSame(ChronoUnit.NANOS,   NANOSECONDS.toChronoUnit());
600	>	assertSame(ChronoUnit.MICROS,  MICROSECONDS.toChronoUnit());
601	>	assertSame(ChronoUnit.MILLIS,  MILLISECONDS.toChronoUnit());
602	>	assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
603	>	assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
604	>	assertSame(ChronoUnit.HOURS,   HOURS.toChronoUnit());
605	>	assertSame(ChronoUnit.DAYS,    DAYS.toChronoUnit());
606	>
607	>	// Every TimeUnit has a defined ChronoUnit equivalent
608	>	for (TimeUnit x : TimeUnit.values())
609	>	assertSame(x, TimeUnit.of(x.toChronoUnit()));
610	>	}
611	>
612	>	/**
613	>	* tests for TimeUnit.of(ChronoUnit).
614	>	*/
615	>	public void testTimeUnitOf() throws Exception {
616	>	assertSame(NANOSECONDS,  TimeUnit.of(ChronoUnit.NANOS));
617	>	assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
618	>	assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
619	>	assertSame(SECONDS,      TimeUnit.of(ChronoUnit.SECONDS));
620	>	assertSame(MINUTES,      TimeUnit.of(ChronoUnit.MINUTES));
621	>	assertSame(HOURS,        TimeUnit.of(ChronoUnit.HOURS));
622	>	assertSame(DAYS,         TimeUnit.of(ChronoUnit.DAYS));
623	>
624	>	assertThrows(NullPointerException.class,
625	>	() -> TimeUnit.of((ChronoUnit)null));
626	>
627	>	// ChronoUnits either round trip to their TimeUnit
628	>	// equivalents, or throw IllegalArgumentException.
629	>	for (ChronoUnit cu : ChronoUnit.values()) {
630	>	final TimeUnit tu;
631	>	try {
632	>	tu = TimeUnit.of(cu);
633	>	} catch (IllegalArgumentException acceptable) {
634	>	continue;
635	>	}
636	>	assertSame(cu, tu.toChronoUnit());
637		}
638		}
639

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