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Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.12 by jsr166, Mon Nov 16 05:30:08 2009 UTC vs.
Revision 1.28 by jsr166, Fri Mar 18 16:55:09 2016 UTC

#	Line 1 | Line 1
1		/*
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
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.*;
12	<	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
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.)
#	Line 28 | Line 38 | public class TimeUnitTest extends JSR166
38		public void testConvert() {
39		for (long t = 0; t < 88888; ++t) {
40		assertEquals(t*60*60*24,
41	<	TimeUnit.SECONDS.convert(t,
32	<	TimeUnit.DAYS));
41	>	SECONDS.convert(t, DAYS));
42		assertEquals(t*60*60,
43	<	TimeUnit.SECONDS.convert(t,
35	<	TimeUnit.HOURS));
43	>	SECONDS.convert(t, HOURS));
44		assertEquals(t*60,
45	<	TimeUnit.SECONDS.convert(t,
38	<	TimeUnit.MINUTES));
45	>	SECONDS.convert(t, MINUTES));
46		assertEquals(t,
47	<	TimeUnit.SECONDS.convert(t,
41	<	TimeUnit.SECONDS));
47	>	SECONDS.convert(t, SECONDS));
48		assertEquals(t,
49	<	TimeUnit.SECONDS.convert(1000L*t,
44	<	TimeUnit.MILLISECONDS));
49	>	SECONDS.convert(1000L*t, MILLISECONDS));
50		assertEquals(t,
51	<	TimeUnit.SECONDS.convert(1000000L*t,
47	<	TimeUnit.MICROSECONDS));
51	>	SECONDS.convert(1000000L*t, MICROSECONDS));
52		assertEquals(t,
53	<	TimeUnit.SECONDS.convert(1000000000L*t,
50	<	TimeUnit.NANOSECONDS));
51	<
53	>	SECONDS.convert(1000000000L*t, NANOSECONDS));
54
55		assertEquals(1000L*t*60*60*24,
56	<	TimeUnit.MILLISECONDS.convert(t,
55	<	TimeUnit.DAYS));
56	>	MILLISECONDS.convert(t, DAYS));
57		assertEquals(1000L*t*60*60,
58	<	TimeUnit.MILLISECONDS.convert(t,
58	<	TimeUnit.HOURS));
58	>	MILLISECONDS.convert(t, HOURS));
59		assertEquals(1000L*t*60,
60	<	TimeUnit.MILLISECONDS.convert(t,
61	<	TimeUnit.MINUTES));
60	>	MILLISECONDS.convert(t, MINUTES));
61		assertEquals(1000L*t,
62	<	TimeUnit.MILLISECONDS.convert(t,
64	<	TimeUnit.SECONDS));
62	>	MILLISECONDS.convert(t, SECONDS));
63		assertEquals(t,
64	<	TimeUnit.MILLISECONDS.convert(t,
67	<	TimeUnit.MILLISECONDS));
64	>	MILLISECONDS.convert(t, MILLISECONDS));
65		assertEquals(t,
66	<	TimeUnit.MILLISECONDS.convert(1000L*t,
70	<	TimeUnit.MICROSECONDS));
66	>	MILLISECONDS.convert(1000L*t, MICROSECONDS));
67		assertEquals(t,
68	<	TimeUnit.MILLISECONDS.convert(1000000L*t,
73	<	TimeUnit.NANOSECONDS));
68	>	MILLISECONDS.convert(1000000L*t, NANOSECONDS));
69
70		assertEquals(1000000L*t*60*60*24,
71	<	TimeUnit.MICROSECONDS.convert(t,
77	<	TimeUnit.DAYS));
71	>	MICROSECONDS.convert(t, DAYS));
72		assertEquals(1000000L*t*60*60,
73	<	TimeUnit.MICROSECONDS.convert(t,
80	<	TimeUnit.HOURS));
73	>	MICROSECONDS.convert(t, HOURS));
74		assertEquals(1000000L*t*60,
75	<	TimeUnit.MICROSECONDS.convert(t,
83	<	TimeUnit.MINUTES));
75	>	MICROSECONDS.convert(t, MINUTES));
76		assertEquals(1000000L*t,
77	<	TimeUnit.MICROSECONDS.convert(t,
86	<	TimeUnit.SECONDS));
77	>	MICROSECONDS.convert(t, SECONDS));
78		assertEquals(1000L*t,
79	<	TimeUnit.MICROSECONDS.convert(t,
89	<	TimeUnit.MILLISECONDS));
79	>	MICROSECONDS.convert(t, MILLISECONDS));
80		assertEquals(t,
81	<	TimeUnit.MICROSECONDS.convert(t,
92	<	TimeUnit.MICROSECONDS));
81	>	MICROSECONDS.convert(t, MICROSECONDS));
82		assertEquals(t,
83	<	TimeUnit.MICROSECONDS.convert(1000L*t,
95	<	TimeUnit.NANOSECONDS));
83	>	MICROSECONDS.convert(1000L*t, NANOSECONDS));
84
85		assertEquals(1000000000L*t*60*60*24,
86	<	TimeUnit.NANOSECONDS.convert(t,
99	<	TimeUnit.DAYS));
86	>	NANOSECONDS.convert(t, DAYS));
87		assertEquals(1000000000L*t*60*60,
88	<	TimeUnit.NANOSECONDS.convert(t,
102	<	TimeUnit.HOURS));
88	>	NANOSECONDS.convert(t, HOURS));
89		assertEquals(1000000000L*t*60,
90	<	TimeUnit.NANOSECONDS.convert(t,
105	<	TimeUnit.MINUTES));
90	>	NANOSECONDS.convert(t, MINUTES));
91		assertEquals(1000000000L*t,
92	<	TimeUnit.NANOSECONDS.convert(t,
108	<	TimeUnit.SECONDS));
92	>	NANOSECONDS.convert(t, SECONDS));
93		assertEquals(1000000L*t,
94	<	TimeUnit.NANOSECONDS.convert(t,
111	<	TimeUnit.MILLISECONDS));
94	>	NANOSECONDS.convert(t, MILLISECONDS));
95		assertEquals(1000L*t,
96	<	TimeUnit.NANOSECONDS.convert(t,
114	<	TimeUnit.MICROSECONDS));
96	>	NANOSECONDS.convert(t, MICROSECONDS));
97		assertEquals(t,
98	<	TimeUnit.NANOSECONDS.convert(t,
99	<	TimeUnit.NANOSECONDS));
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
#	Line 125 | Line 115 | public class TimeUnitTest extends JSR166
115		public void testToNanos() {
116		for (long t = 0; t < 88888; ++t) {
117		assertEquals(t*1000000000L*60*60*24,
118	<	TimeUnit.DAYS.toNanos(t));
118	>	DAYS.toNanos(t));
119		assertEquals(t*1000000000L*60*60,
120	<	TimeUnit.HOURS.toNanos(t));
120	>	HOURS.toNanos(t));
121		assertEquals(t*1000000000L*60,
122	<	TimeUnit.MINUTES.toNanos(t));
122	>	MINUTES.toNanos(t));
123		assertEquals(1000000000L*t,
124	<	TimeUnit.SECONDS.toNanos(t));
124	>	SECONDS.toNanos(t));
125		assertEquals(1000000L*t,
126	<	TimeUnit.MILLISECONDS.toNanos(t));
126	>	MILLISECONDS.toNanos(t));
127		assertEquals(1000L*t,
128	<	TimeUnit.MICROSECONDS.toNanos(t));
128	>	MICROSECONDS.toNanos(t));
129		assertEquals(t,
130	<	TimeUnit.NANOSECONDS.toNanos(t));
130	>	NANOSECONDS.toNanos(t));
131		}
132		}
133
#	Line 148 | Line 138 | public class TimeUnitTest extends JSR166
138		public void testToMicros() {
139		for (long t = 0; t < 88888; ++t) {
140		assertEquals(t*1000000L*60*60*24,
141	<	TimeUnit.DAYS.toMicros(t));
141	>	DAYS.toMicros(t));
142		assertEquals(t*1000000L*60*60,
143	<	TimeUnit.HOURS.toMicros(t));
143	>	HOURS.toMicros(t));
144		assertEquals(t*1000000L*60,
145	<	TimeUnit.MINUTES.toMicros(t));
145	>	MINUTES.toMicros(t));
146		assertEquals(1000000L*t,
147	<	TimeUnit.SECONDS.toMicros(t));
147	>	SECONDS.toMicros(t));
148		assertEquals(1000L*t,
149	<	TimeUnit.MILLISECONDS.toMicros(t));
149	>	MILLISECONDS.toMicros(t));
150		assertEquals(t,
151	<	TimeUnit.MICROSECONDS.toMicros(t));
151	>	MICROSECONDS.toMicros(t));
152		assertEquals(t,
153	<	TimeUnit.NANOSECONDS.toMicros(t*1000L));
153	>	NANOSECONDS.toMicros(t*1000L));
154		}
155		}
156
#	Line 171 | Line 161 | public class TimeUnitTest extends JSR166
161		public void testToMillis() {
162		for (long t = 0; t < 88888; ++t) {
163		assertEquals(t*1000L*60*60*24,
164	<	TimeUnit.DAYS.toMillis(t));
164	>	DAYS.toMillis(t));
165		assertEquals(t*1000L*60*60,
166	<	TimeUnit.HOURS.toMillis(t));
166	>	HOURS.toMillis(t));
167		assertEquals(t*1000L*60,
168	<	TimeUnit.MINUTES.toMillis(t));
168	>	MINUTES.toMillis(t));
169		assertEquals(1000L*t,
170	<	TimeUnit.SECONDS.toMillis(t));
170	>	SECONDS.toMillis(t));
171		assertEquals(t,
172	<	TimeUnit.MILLISECONDS.toMillis(t));
172	>	MILLISECONDS.toMillis(t));
173		assertEquals(t,
174	<	TimeUnit.MICROSECONDS.toMillis(t*1000L));
174	>	MICROSECONDS.toMillis(t*1000L));
175		assertEquals(t,
176	<	TimeUnit.NANOSECONDS.toMillis(t*1000000L));
176	>	NANOSECONDS.toMillis(t*1000000L));
177		}
178		}
179
#	Line 194 | Line 184 | public class TimeUnitTest extends JSR166
184		public void testToSeconds() {
185		for (long t = 0; t < 88888; ++t) {
186		assertEquals(t*60*60*24,
187	<	TimeUnit.DAYS.toSeconds(t));
187	>	DAYS.toSeconds(t));
188		assertEquals(t*60*60,
189	<	TimeUnit.HOURS.toSeconds(t));
189	>	HOURS.toSeconds(t));
190		assertEquals(t*60,
191	<	TimeUnit.MINUTES.toSeconds(t));
191	>	MINUTES.toSeconds(t));
192		assertEquals(t,
193	<	TimeUnit.SECONDS.toSeconds(t));
193	>	SECONDS.toSeconds(t));
194		assertEquals(t,
195	<	TimeUnit.MILLISECONDS.toSeconds(t*1000L));
195	>	MILLISECONDS.toSeconds(t*1000L));
196		assertEquals(t,
197	<	TimeUnit.MICROSECONDS.toSeconds(t*1000000L));
197	>	MICROSECONDS.toSeconds(t*1000000L));
198		assertEquals(t,
199	<	TimeUnit.NANOSECONDS.toSeconds(t*1000000000L));
199	>	NANOSECONDS.toSeconds(t*1000000000L));
200		}
201		}
202
#	Line 217 | Line 207 | public class TimeUnitTest extends JSR166
207		public void testToMinutes() {
208		for (long t = 0; t < 88888; ++t) {
209		assertEquals(t*60*24,
210	<	TimeUnit.DAYS.toMinutes(t));
210	>	DAYS.toMinutes(t));
211		assertEquals(t*60,
212	<	TimeUnit.HOURS.toMinutes(t));
212	>	HOURS.toMinutes(t));
213		assertEquals(t,
214	<	TimeUnit.MINUTES.toMinutes(t));
214	>	MINUTES.toMinutes(t));
215		assertEquals(t,
216	<	TimeUnit.SECONDS.toMinutes(t*60));
216	>	SECONDS.toMinutes(t*60));
217		assertEquals(t,
218	<	TimeUnit.MILLISECONDS.toMinutes(t*1000L*60));
218	>	MILLISECONDS.toMinutes(t*1000L*60));
219		assertEquals(t,
220	<	TimeUnit.MICROSECONDS.toMinutes(t*1000000L*60));
220	>	MICROSECONDS.toMinutes(t*1000000L*60));
221		assertEquals(t,
222	<	TimeUnit.NANOSECONDS.toMinutes(t*1000000000L*60));
222	>	NANOSECONDS.toMinutes(t*1000000000L*60));
223		}
224		}
225
#	Line 240 | Line 230 | public class TimeUnitTest extends JSR166
230		public void testToHours() {
231		for (long t = 0; t < 88888; ++t) {
232		assertEquals(t*24,
233	<	TimeUnit.DAYS.toHours(t));
233	>	DAYS.toHours(t));
234		assertEquals(t,
235	<	TimeUnit.HOURS.toHours(t));
235	>	HOURS.toHours(t));
236		assertEquals(t,
237	<	TimeUnit.MINUTES.toHours(t*60));
237	>	MINUTES.toHours(t*60));
238		assertEquals(t,
239	<	TimeUnit.SECONDS.toHours(t*60*60));
239	>	SECONDS.toHours(t*60*60));
240		assertEquals(t,
241	<	TimeUnit.MILLISECONDS.toHours(t*1000L*60*60));
241	>	MILLISECONDS.toHours(t*1000L*60*60));
242		assertEquals(t,
243	<	TimeUnit.MICROSECONDS.toHours(t*1000000L*60*60));
243	>	MICROSECONDS.toHours(t*1000000L*60*60));
244		assertEquals(t,
245	<	TimeUnit.NANOSECONDS.toHours(t*1000000000L*60*60));
245	>	NANOSECONDS.toHours(t*1000000000L*60*60));
246		}
247		}
248
#	Line 263 | Line 253 | public class TimeUnitTest extends JSR166
253		public void testToDays() {
254		for (long t = 0; t < 88888; ++t) {
255		assertEquals(t,
256	<	TimeUnit.DAYS.toDays(t));
256	>	DAYS.toDays(t));
257		assertEquals(t,
258	<	TimeUnit.HOURS.toDays(t*24));
258	>	HOURS.toDays(t*24));
259		assertEquals(t,
260	<	TimeUnit.MINUTES.toDays(t*60*24));
260	>	MINUTES.toDays(t*60*24));
261		assertEquals(t,
262	<	TimeUnit.SECONDS.toDays(t*60*60*24));
262	>	SECONDS.toDays(t*60*60*24));
263		assertEquals(t,
264	<	TimeUnit.MILLISECONDS.toDays(t*1000L*60*60*24));
264	>	MILLISECONDS.toDays(t*1000L*60*60*24));
265		assertEquals(t,
266	<	TimeUnit.MICROSECONDS.toDays(t*1000000L*60*60*24));
266	>	MICROSECONDS.toDays(t*1000000L*60*60*24));
267		assertEquals(t,
268	<	TimeUnit.NANOSECONDS.toDays(t*1000000000L*60*60*24));
268	>	NANOSECONDS.toDays(t*1000000000L*60*60*24));
269		}
270		}
271
282	–
272		/**
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,
290	<	TimeUnit.SECONDS));
278	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
279		assertEquals(Long.MIN_VALUE,
280	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
293	<	TimeUnit.SECONDS));
280	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS));
281		assertEquals(Long.MAX_VALUE,
282	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
296	<	TimeUnit.MINUTES));
282	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES));
283		assertEquals(Long.MIN_VALUE,
284	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
299	<	TimeUnit.MINUTES));
284	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES));
285		assertEquals(Long.MAX_VALUE,
286	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
302	<	TimeUnit.HOURS));
286	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS));
287		assertEquals(Long.MIN_VALUE,
288	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
305	<	TimeUnit.HOURS));
288	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS));
289		assertEquals(Long.MAX_VALUE,
290	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
308	<	TimeUnit.DAYS));
290	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS));
291		assertEquals(Long.MIN_VALUE,
292	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
311	<	TimeUnit.DAYS));
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		/**
#	Line 317 | Line 316 | public class TimeUnitTest extends JSR166
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));
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	<	* toString returns string containing common name of unit
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	>	* toString returns name of unit
457		*/
458		public void testToString() {
459	<	String s = TimeUnit.SECONDS.toString();
332	<	assertTrue(s.indexOf("ECOND") >= 0);
459	>	assertEquals("SECONDS", SECONDS.toString());
460		}
461
462	+	/**
463	+	* name returns name of unit
464	+	*/
465	+	public void testName() {
466	+	assertEquals("SECONDS", SECONDS.name());
467	+	}
468
469		/**
470	<	*  Timed wait without holding lock throws
471	<	*  IllegalMonitorStateException
470	>	* Timed wait without holding lock throws
471	>	* IllegalMonitorStateException
472		*/
473		public void testTimedWait_IllegalMonitorException() {
474	<	//created a new thread with anonymous runnable
475	<
476	<	Thread t = new Thread(new Runnable() {
477	<	public void run() {
478	<	Object o = new Object();
479	<	TimeUnit tu = TimeUnit.MILLISECONDS;
480	<	try {
481	<	tu.timedWait(o,LONG_DELAY_MS);
482	<	threadShouldThrow();
483	<	}
351	<	catch (InterruptedException ie) {
352	<	threadUnexpectedException();
353	<	}
354	<	catch (IllegalMonitorStateException success) {
355	<	}
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	<	}
358	<	});
359	<	t.start();
360	<	try {
361	<	Thread.sleep(SHORT_DELAY_MS);
362	<	t.interrupt();
363	<	t.join();
364	<	} catch (Exception e) {
365	<	unexpectedException();
366	<	}
485	>	awaitTermination(t);
486		}
487
488		/**
489		* timedWait throws InterruptedException when interrupted
490		*/
491	<	public void testTimedWait() {
492	<	Thread t = new Thread(new Runnable() {
493	<	public void run() {
494	<	Object o = new Object();
495	<
496	<	TimeUnit tu = TimeUnit.MILLISECONDS;
497	<	try {
498	<	synchronized(o) {
499	<	tu.timedWait(o,MEDIUM_DELAY_MS);
500	<	}
501	<	threadShouldThrow();
502	<	}
503	<	catch (InterruptedException success) {}
504	<	catch (IllegalMonitorStateException failure) {
505	<	threadUnexpectedException();
506	<	}
507	<	}
508	<	});
509	<	t.start();
510	<	try {
511	<	Thread.sleep(SHORT_DELAY_MS);
512	<	t.interrupt();
513	<	t.join();
514	<	} catch (Exception e) {
515	<	unexpectedException();
516	<	}
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	>	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	>	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
400	–
523		/**
524		* timedJoin throws InterruptedException when interrupted
525		*/
526	<	public void testTimedJoin() {
527	<	Thread t = new Thread(new Runnable() {
528	<	public void run() {
529	<	TimeUnit tu = TimeUnit.MILLISECONDS;
530	<	try {
531	<	Thread s = new Thread(new Runnable() {
532	<	public void run() {
533	<	try {
534	<	Thread.sleep(MEDIUM_DELAY_MS);
535	<	} catch (InterruptedException success) {}
536	<	}
537	<	});
538	<	s.start();
539	<	tu.timedJoin(s,MEDIUM_DELAY_MS);
540	<	threadShouldThrow();
541	<	}
542	<	catch (Exception e) {}
543	<	}
544	<	});
545	<	t.start();
546	<	try {
547	<	Thread.sleep(SHORT_DELAY_MS);
548	<	t.interrupt();
549	<	t.join();
550	<	} catch (Exception e) {
551	<	unexpectedException();
552	<	}
553	<	}
554	<
555	<	/**
556	<	*  timedSleep throws InterruptedException when interrupted
557	<	*/
558	<	public void testTimedSleep() {
559	<	//created a new thread with anonymous runnable
560	<
561	<	Thread t = new Thread(new Runnable() {
562	<	public void run() {
563	<	TimeUnit tu = TimeUnit.MILLISECONDS;
564	<	try {
565	<	tu.sleep(MEDIUM_DELAY_MS);
566	<	threadShouldThrow();
567	<	}
568	<	catch (InterruptedException success) {}
569	<	}
570	<	});
571	<	t.start();
572	<	try {
573	<	Thread.sleep(SHORT_DELAY_MS);
574	<	t.interrupt();
575	<	t.join();
576	<	} catch (Exception e) {
577	<	unexpectedException();
578	<	}
579	<	}
580	<
581	<	/**
582	<	* a deserialized serialized unit is equal
583	<	*/
584	<	public void testSerialization() {
585	<	TimeUnit q = TimeUnit.MILLISECONDS;
586	<
587	<	try {
588	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
589	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
590	<	out.writeObject(q);
591	<	out.close();
592	<
593	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
594	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
595	<	TimeUnit r = (TimeUnit)in.readObject();
596	<
597	<	assertEquals(q.toString(), r.toString());
598	<	} catch (Exception e) {
599	<	e.printStackTrace();
600	<	unexpectedException();
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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