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Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.13 by jsr166, Tue Nov 17 06:28:37 2009 UTC vs.
Revision 1.29 by jsr166, Fri Mar 25 04:53:28 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	+	if (max < Long.MAX_VALUE) {
306	+	assertEquals(Long.MAX_VALUE, y.convert(max + 1, x));
307	+	assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x));
308	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x));
309	+	}
310	+	assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x));
311	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x));
312	+	}
313	+	}
314		}
315
316		/**
#	Line 318 | Line 319 | public class TimeUnitTest extends JSR166
319		*/
320		public void testToNanosSaturate() {
321		assertEquals(Long.MAX_VALUE,
322	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
322	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
323		assertEquals(Long.MIN_VALUE,
324	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
324	>	MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
325	>
326	>	for (TimeUnit x : TimeUnit.values()) {
327	>	long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1);
328	>	if (ratio >= 1) {
329	>	long max = Long.MAX_VALUE/ratio;
330	>	for (long z : new long[] {0, 1, -1, max, -max})
331	>	assertEquals(z * ratio, x.toNanos(z));
332	>	if (max < Long.MAX_VALUE) {
333	>	assertEquals(Long.MAX_VALUE, x.toNanos(max + 1));
334	>	assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1));
335	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1));
336	>	}
337	>	assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE));
338	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE));
339	>	if (max < Integer.MAX_VALUE) {
340	>	assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE));
341	>	assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE));
342	>	}
343	>	}
344	>	}
345	>	}
346	>
347	>	/**
348	>	* toMicros saturates positive too-large values to Long.MAX_VALUE
349	>	* and negative to LONG.MIN_VALUE
350	>	*/
351	>	public void testToMicrosSaturate() {
352	>	for (TimeUnit x : TimeUnit.values()) {
353	>	long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1);
354	>	if (ratio >= 1) {
355	>	long max = Long.MAX_VALUE/ratio;
356	>	for (long z : new long[] {0, 1, -1, max, -max})
357	>	assertEquals(z * ratio, x.toMicros(z));
358	>	if (max < Long.MAX_VALUE) {
359	>	assertEquals(Long.MAX_VALUE, x.toMicros(max + 1));
360	>	assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1));
361	>	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1));
362	>	}
363	>	assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE));
364	>	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE));
365	>	if (max < Integer.MAX_VALUE) {
366	>	assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE));
367	>	assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE));
368	>	}
369	>	}
370	>	}
371	>	}
372	>
373	>	/**
374	>	* toMillis saturates positive too-large values to Long.MAX_VALUE
375	>	* and negative to LONG.MIN_VALUE
376	>	*/
377	>	public void testToMillisSaturate() {
378	>	for (TimeUnit x : TimeUnit.values()) {
379	>	long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1);
380	>	if (ratio >= 1) {
381	>	long max = Long.MAX_VALUE/ratio;
382	>	for (long z : new long[] {0, 1, -1, max, -max})
383	>	assertEquals(z * ratio, x.toMillis(z));
384	>	if (max < Long.MAX_VALUE) {
385	>	assertEquals(Long.MAX_VALUE, x.toMillis(max + 1));
386	>	assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1));
387	>	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1));
388	>	}
389	>	assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE));
390	>	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE));
391	>	if (max < Integer.MAX_VALUE) {
392	>	assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE));
393	>	assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE));
394	>	}
395	>	}
396	>	}
397		}
398
399	+	/**
400	+	* toSeconds saturates positive too-large values to Long.MAX_VALUE
401	+	* and negative to LONG.MIN_VALUE
402	+	*/
403	+	public void testToSecondsSaturate() {
404	+	for (TimeUnit x : TimeUnit.values()) {
405	+	long ratio = x.toNanos(1) / SECONDS.toNanos(1);
406	+	if (ratio >= 1) {
407	+	long max = Long.MAX_VALUE/ratio;
408	+	for (long z : new long[] {0, 1, -1, max, -max})
409	+	assertEquals(z * ratio, x.toSeconds(z));
410	+	if (max < Long.MAX_VALUE) {
411	+	assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1));
412	+	assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1));
413	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1));
414	+	}
415	+	assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE));
416	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE));
417	+	if (max < Integer.MAX_VALUE) {
418	+	assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE));
419	+	assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE));
420	+	}
421	+	}
422	+	}
423	+	}
424
425		/**
426	<	* toString returns string containing common name of unit
426	>	* toMinutes saturates positive too-large values to Long.MAX_VALUE
427	>	* and negative to LONG.MIN_VALUE
428	>	*/
429	>	public void testToMinutesSaturate() {
430	>	for (TimeUnit x : TimeUnit.values()) {
431	>	long ratio = x.toNanos(1) / MINUTES.toNanos(1);
432	>	if (ratio > 1) {
433	>	long max = Long.MAX_VALUE/ratio;
434	>	for (long z : new long[] {0, 1, -1, max, -max})
435	>	assertEquals(z * ratio, x.toMinutes(z));
436	>	assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1));
437	>	assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1));
438	>	assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE));
439	>	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE));
440	>	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1));
441	>	}
442	>	}
443	>	}
444	>
445	>	/**
446	>	* toHours saturates positive too-large values to Long.MAX_VALUE
447	>	* and negative to LONG.MIN_VALUE
448	>	*/
449	>	public void testToHoursSaturate() {
450	>	for (TimeUnit x : TimeUnit.values()) {
451	>	long ratio = x.toNanos(1) / HOURS.toNanos(1);
452	>	if (ratio >= 1) {
453	>	long max = Long.MAX_VALUE/ratio;
454	>	for (long z : new long[] {0, 1, -1, max, -max})
455	>	assertEquals(z * ratio, x.toHours(z));
456	>	if (max < Long.MAX_VALUE) {
457	>	assertEquals(Long.MAX_VALUE, x.toHours(max + 1));
458	>	assertEquals(Long.MIN_VALUE, x.toHours(-max - 1));
459	>	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1));
460	>	}
461	>	assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE));
462	>	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE));
463	>	}
464	>	}
465	>	}
466	>
467	>	/**
468	>	* toString returns name of unit
469		*/
470		public void testToString() {
471	<	String s = TimeUnit.SECONDS.toString();
332	<	assertTrue(s.indexOf("ECOND") >= 0);
471	>	assertEquals("SECONDS", SECONDS.toString());
472		}
473
474	+	/**
475	+	* name returns name of unit
476	+	*/
477	+	public void testName() {
478	+	assertEquals("SECONDS", SECONDS.name());
479	+	}
480
481		/**
482	<	*  Timed wait without holding lock throws
483	<	*  IllegalMonitorStateException
482	>	* Timed wait without holding lock throws
483	>	* IllegalMonitorStateException
484		*/
485	<	public void testTimedWait_IllegalMonitorException() throws Exception {
486	<	Thread t = new Thread(new CheckedRunnable() {
485	>	public void testTimedWait_IllegalMonitorException() {
486	>	Thread t = newStartedThread(new CheckedRunnable() {
487		public void realRun() throws InterruptedException {
488		Object o = new Object();
489	<	TimeUnit tu = TimeUnit.MILLISECONDS;
489	>	TimeUnit tu = MILLISECONDS;
490	>
491		try {
492	<	tu.timedWait(o,LONG_DELAY_MS);
492	>	tu.timedWait(o, LONG_DELAY_MS);
493		threadShouldThrow();
494	<	} catch (IllegalMonitorStateException success) {}}});
494	>	} catch (IllegalMonitorStateException success) {}
495	>	}});
496
497	<	t.start();
351	<	Thread.sleep(SHORT_DELAY_MS);
352	<	t.interrupt();
353	<	t.join();
497	>	awaitTermination(t);
498		}
499
500		/**
501		* timedWait throws InterruptedException when interrupted
502		*/
503	<	public void testTimedWait() throws InterruptedException {
504	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
505	<	public void realRun() throws InterruptedException {
503	>	public void testTimedWait_Interruptible() {
504	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
505	>	Thread t = newStartedThread(new CheckedRunnable() {
506	>	public void realRun() throws InterruptedException {
507		Object o = new Object();
508	+	TimeUnit tu = MILLISECONDS;
509
510	<	TimeUnit tu = TimeUnit.MILLISECONDS;
511	<	synchronized(o) {
512	<	tu.timedWait(o,MEDIUM_DELAY_MS);
513	<	}
510	>	Thread.currentThread().interrupt();
511	>	try {
512	>	synchronized (o) {
513	>	tu.timedWait(o, LONG_DELAY_MS);
514	>	}
515	>	shouldThrow();
516	>	} catch (InterruptedException success) {}
517	>	assertFalse(Thread.interrupted());
518	>
519	>	pleaseInterrupt.countDown();
520	>	try {
521	>	synchronized (o) {
522	>	tu.timedWait(o, LONG_DELAY_MS);
523	>	}
524	>	shouldThrow();
525	>	} catch (InterruptedException success) {}
526	>	assertFalse(Thread.interrupted());
527		}});
528	<	t.start();
529	<	Thread.sleep(SHORT_DELAY_MS);
528	>
529	>	await(pleaseInterrupt);
530	>	assertThreadStaysAlive(t);
531		t.interrupt();
532	<	t.join();
532	>	awaitTermination(t);
533		}
534
375	–
535		/**
536		* timedJoin throws InterruptedException when interrupted
537		*/
538	<	public void testTimedJoin() throws InterruptedException {
539	<	final Thread s = new Thread(new CheckedInterruptedRunnable() {
538	>	public void testTimedJoin_Interruptible() {
539	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
540	>	final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
541		public void realRun() throws InterruptedException {
542	<	Thread.sleep(MEDIUM_DELAY_MS);
542	>	Thread.sleep(LONG_DELAY_MS);
543		}});
544	<	final Thread t = new Thread(new CheckedInterruptedRunnable() {
545	<	public void realRun() throws InterruptedException {
546	<	TimeUnit tu = TimeUnit.MILLISECONDS;
547	<	tu.timedJoin(s, MEDIUM_DELAY_MS);
548	<	}});;
549	<	s.start();
550	<	t.start();
551	<	Thread.sleep(SHORT_DELAY_MS);
544	>	final Thread t = newStartedThread(new CheckedRunnable() {
545	>	public void realRun() throws InterruptedException {
546	>	TimeUnit tu = MILLISECONDS;
547	>	Thread.currentThread().interrupt();
548	>	try {
549	>	tu.timedJoin(s, LONG_DELAY_MS);
550	>	shouldThrow();
551	>	} catch (InterruptedException success) {}
552	>	assertFalse(Thread.interrupted());
553	>
554	>	pleaseInterrupt.countDown();
555	>	try {
556	>	tu.timedJoin(s, LONG_DELAY_MS);
557	>	shouldThrow();
558	>	} catch (InterruptedException success) {}
559	>	assertFalse(Thread.interrupted());
560	>	}});
561	>
562	>	await(pleaseInterrupt);
563	>	assertThreadStaysAlive(t);
564		t.interrupt();
565	<	t.join();
565	>	awaitTermination(t);
566		s.interrupt();
567	<	s.join();
567	>	awaitTermination(s);
568		}
569
570		/**
571	<	*  timedSleep throws InterruptedException when interrupted
571	>	* timedSleep throws InterruptedException when interrupted
572		*/
573	<	public void testTimedSleep() throws InterruptedException {
574	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
575	<	public void realRun() throws InterruptedException {
576	<	TimeUnit tu = TimeUnit.MILLISECONDS;
577	<	tu.sleep(MEDIUM_DELAY_MS);
573	>	public void testTimedSleep_Interruptible() {
574	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
575	>	Thread t = newStartedThread(new CheckedRunnable() {
576	>	public void realRun() throws InterruptedException {
577	>	TimeUnit tu = MILLISECONDS;
578	>	Thread.currentThread().interrupt();
579	>	try {
580	>	tu.sleep(LONG_DELAY_MS);
581	>	shouldThrow();
582	>	} catch (InterruptedException success) {}
583	>	assertFalse(Thread.interrupted());
584	>
585	>	pleaseInterrupt.countDown();
586	>	try {
587	>	tu.sleep(LONG_DELAY_MS);
588	>	shouldThrow();
589	>	} catch (InterruptedException success) {}
590	>	assertFalse(Thread.interrupted());
591		}});
592
593	<	t.start();
594	<	Thread.sleep(SHORT_DELAY_MS);
593	>	await(pleaseInterrupt);
594	>	assertThreadStaysAlive(t);
595		t.interrupt();
596	<	t.join();
596	>	awaitTermination(t);
597		}
598
599		/**
600		* a deserialized serialized unit is the same instance
601		*/
602		public void testSerialization() throws Exception {
603	<	TimeUnit q = TimeUnit.MILLISECONDS;
603	>	for (TimeUnit x : TimeUnit.values())
604	>	assertSame(x, serialClone(x));
605	>	}
606
607	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
608	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
609	<	out.writeObject(q);
610	<	out.close();
611	<
612	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
613	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
614	<	TimeUnit r = (TimeUnit)in.readObject();
615	<	assertSame(q, r);
607	>	/**
608	>	* tests for toChronoUnit.
609	>	*/
610	>	public void testToChronoUnit() throws Exception {
611	>	assertSame(ChronoUnit.NANOS,   NANOSECONDS.toChronoUnit());
612	>	assertSame(ChronoUnit.MICROS,  MICROSECONDS.toChronoUnit());
613	>	assertSame(ChronoUnit.MILLIS,  MILLISECONDS.toChronoUnit());
614	>	assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
615	>	assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
616	>	assertSame(ChronoUnit.HOURS,   HOURS.toChronoUnit());
617	>	assertSame(ChronoUnit.DAYS,    DAYS.toChronoUnit());
618	>
619	>	// Every TimeUnit has a defined ChronoUnit equivalent
620	>	for (TimeUnit x : TimeUnit.values())
621	>	assertSame(x, TimeUnit.of(x.toChronoUnit()));
622	>	}
623	>
624	>	/**
625	>	* tests for TimeUnit.of(ChronoUnit).
626	>	*/
627	>	public void testTimeUnitOf() throws Exception {
628	>	assertSame(NANOSECONDS,  TimeUnit.of(ChronoUnit.NANOS));
629	>	assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
630	>	assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
631	>	assertSame(SECONDS,      TimeUnit.of(ChronoUnit.SECONDS));
632	>	assertSame(MINUTES,      TimeUnit.of(ChronoUnit.MINUTES));
633	>	assertSame(HOURS,        TimeUnit.of(ChronoUnit.HOURS));
634	>	assertSame(DAYS,         TimeUnit.of(ChronoUnit.DAYS));
635	>
636	>	assertThrows(NullPointerException.class,
637	>	() -> TimeUnit.of((ChronoUnit)null));
638	>
639	>	// ChronoUnits either round trip to their TimeUnit
640	>	// equivalents, or throw IllegalArgumentException.
641	>	for (ChronoUnit cu : ChronoUnit.values()) {
642	>	final TimeUnit tu;
643	>	try {
644	>	tu = TimeUnit.of(cu);
645	>	} catch (IllegalArgumentException acceptable) {
646	>	continue;
647	>	}
648	>	assertSame(cu, tu.toChronoUnit());
649	>	}
650		}
651
652		}

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