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Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.14 by jsr166, Sat Nov 21 02:07:27 2009 UTC vs.
Revision 1.36 by jsr166, Thu Sep 5 21:55:17 2019 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 junit.framework.*;
18	<	import java.util.concurrent.*;
19	<	import java.io.*;
17	>	import java.util.concurrent.CountDownLatch;
18	>	import java.util.concurrent.TimeUnit;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22
23		public class TimeUnitTest extends JSR166TestCase {
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run(suite());
25	>	main(suite(), args);
26		}
27
28		public static Test suite() {
#	Line 28 | Line 37 | public class TimeUnitTest extends JSR166
37		public void testConvert() {
38		for (long t = 0; t < 88888; ++t) {
39		assertEquals(t*60*60*24,
40	<	TimeUnit.SECONDS.convert(t,
32	<	TimeUnit.DAYS));
40	>	SECONDS.convert(t, DAYS));
41		assertEquals(t*60*60,
42	<	TimeUnit.SECONDS.convert(t,
35	<	TimeUnit.HOURS));
42	>	SECONDS.convert(t, HOURS));
43		assertEquals(t*60,
44	<	TimeUnit.SECONDS.convert(t,
38	<	TimeUnit.MINUTES));
44	>	SECONDS.convert(t, MINUTES));
45		assertEquals(t,
46	<	TimeUnit.SECONDS.convert(t,
41	<	TimeUnit.SECONDS));
46	>	SECONDS.convert(t, SECONDS));
47		assertEquals(t,
48	<	TimeUnit.SECONDS.convert(1000L*t,
44	<	TimeUnit.MILLISECONDS));
48	>	SECONDS.convert(1000L*t, MILLISECONDS));
49		assertEquals(t,
50	<	TimeUnit.SECONDS.convert(1000000L*t,
47	<	TimeUnit.MICROSECONDS));
50	>	SECONDS.convert(1000000L*t, MICROSECONDS));
51		assertEquals(t,
52	<	TimeUnit.SECONDS.convert(1000000000L*t,
50	<	TimeUnit.NANOSECONDS));
51	<
52	>	SECONDS.convert(1000000000L*t, NANOSECONDS));
53
54		assertEquals(1000L*t*60*60*24,
55	<	TimeUnit.MILLISECONDS.convert(t,
55	<	TimeUnit.DAYS));
55	>	MILLISECONDS.convert(t, DAYS));
56		assertEquals(1000L*t*60*60,
57	<	TimeUnit.MILLISECONDS.convert(t,
58	<	TimeUnit.HOURS));
57	>	MILLISECONDS.convert(t, HOURS));
58		assertEquals(1000L*t*60,
59	<	TimeUnit.MILLISECONDS.convert(t,
61	<	TimeUnit.MINUTES));
59	>	MILLISECONDS.convert(t, MINUTES));
60		assertEquals(1000L*t,
61	<	TimeUnit.MILLISECONDS.convert(t,
64	<	TimeUnit.SECONDS));
61	>	MILLISECONDS.convert(t, SECONDS));
62		assertEquals(t,
63	<	TimeUnit.MILLISECONDS.convert(t,
67	<	TimeUnit.MILLISECONDS));
63	>	MILLISECONDS.convert(t, MILLISECONDS));
64		assertEquals(t,
65	<	TimeUnit.MILLISECONDS.convert(1000L*t,
70	<	TimeUnit.MICROSECONDS));
65	>	MILLISECONDS.convert(1000L*t, MICROSECONDS));
66		assertEquals(t,
67	<	TimeUnit.MILLISECONDS.convert(1000000L*t,
73	<	TimeUnit.NANOSECONDS));
67	>	MILLISECONDS.convert(1000000L*t, NANOSECONDS));
68
69		assertEquals(1000000L*t*60*60*24,
70	<	TimeUnit.MICROSECONDS.convert(t,
77	<	TimeUnit.DAYS));
70	>	MICROSECONDS.convert(t, DAYS));
71		assertEquals(1000000L*t*60*60,
72	<	TimeUnit.MICROSECONDS.convert(t,
80	<	TimeUnit.HOURS));
72	>	MICROSECONDS.convert(t, HOURS));
73		assertEquals(1000000L*t*60,
74	<	TimeUnit.MICROSECONDS.convert(t,
83	<	TimeUnit.MINUTES));
74	>	MICROSECONDS.convert(t, MINUTES));
75		assertEquals(1000000L*t,
76	<	TimeUnit.MICROSECONDS.convert(t,
86	<	TimeUnit.SECONDS));
76	>	MICROSECONDS.convert(t, SECONDS));
77		assertEquals(1000L*t,
78	<	TimeUnit.MICROSECONDS.convert(t,
89	<	TimeUnit.MILLISECONDS));
78	>	MICROSECONDS.convert(t, MILLISECONDS));
79		assertEquals(t,
80	<	TimeUnit.MICROSECONDS.convert(t,
92	<	TimeUnit.MICROSECONDS));
80	>	MICROSECONDS.convert(t, MICROSECONDS));
81		assertEquals(t,
82	<	TimeUnit.MICROSECONDS.convert(1000L*t,
95	<	TimeUnit.NANOSECONDS));
82	>	MICROSECONDS.convert(1000L*t, NANOSECONDS));
83
84		assertEquals(1000000000L*t*60*60*24,
85	<	TimeUnit.NANOSECONDS.convert(t,
99	<	TimeUnit.DAYS));
85	>	NANOSECONDS.convert(t, DAYS));
86		assertEquals(1000000000L*t*60*60,
87	<	TimeUnit.NANOSECONDS.convert(t,
102	<	TimeUnit.HOURS));
87	>	NANOSECONDS.convert(t, HOURS));
88		assertEquals(1000000000L*t*60,
89	<	TimeUnit.NANOSECONDS.convert(t,
105	<	TimeUnit.MINUTES));
89	>	NANOSECONDS.convert(t, MINUTES));
90		assertEquals(1000000000L*t,
91	<	TimeUnit.NANOSECONDS.convert(t,
108	<	TimeUnit.SECONDS));
91	>	NANOSECONDS.convert(t, SECONDS));
92		assertEquals(1000000L*t,
93	<	TimeUnit.NANOSECONDS.convert(t,
111	<	TimeUnit.MILLISECONDS));
93	>	NANOSECONDS.convert(t, MILLISECONDS));
94		assertEquals(1000L*t,
95	<	TimeUnit.NANOSECONDS.convert(t,
114	<	TimeUnit.MICROSECONDS));
95	>	NANOSECONDS.convert(t, MICROSECONDS));
96		assertEquals(t,
97	<	TimeUnit.NANOSECONDS.convert(t,
98	<	TimeUnit.NANOSECONDS));
97	>	NANOSECONDS.convert(t, NANOSECONDS));
98	>	}
99	>
100	>	for (TimeUnit x : TimeUnit.values()) {
101	>	long[] zs = {
102	>	0, 1, -1,
103	>	Integer.MAX_VALUE, Integer.MIN_VALUE,
104	>	Long.MAX_VALUE, Long.MIN_VALUE,
105	>	};
106	>	for (long z : zs) assertEquals(z, x.convert(z, x));
107		}
108		}
109
#	Line 125 | Line 114 | public class TimeUnitTest extends JSR166
114		public void testToNanos() {
115		for (long t = 0; t < 88888; ++t) {
116		assertEquals(t*1000000000L*60*60*24,
117	<	TimeUnit.DAYS.toNanos(t));
117	>	DAYS.toNanos(t));
118		assertEquals(t*1000000000L*60*60,
119	<	TimeUnit.HOURS.toNanos(t));
119	>	HOURS.toNanos(t));
120		assertEquals(t*1000000000L*60,
121	<	TimeUnit.MINUTES.toNanos(t));
121	>	MINUTES.toNanos(t));
122		assertEquals(1000000000L*t,
123	<	TimeUnit.SECONDS.toNanos(t));
123	>	SECONDS.toNanos(t));
124		assertEquals(1000000L*t,
125	<	TimeUnit.MILLISECONDS.toNanos(t));
125	>	MILLISECONDS.toNanos(t));
126		assertEquals(1000L*t,
127	<	TimeUnit.MICROSECONDS.toNanos(t));
127	>	MICROSECONDS.toNanos(t));
128		assertEquals(t,
129	<	TimeUnit.NANOSECONDS.toNanos(t));
129	>	NANOSECONDS.toNanos(t));
130		}
131		}
132
#	Line 148 | Line 137 | public class TimeUnitTest extends JSR166
137		public void testToMicros() {
138		for (long t = 0; t < 88888; ++t) {
139		assertEquals(t*1000000L*60*60*24,
140	<	TimeUnit.DAYS.toMicros(t));
140	>	DAYS.toMicros(t));
141		assertEquals(t*1000000L*60*60,
142	<	TimeUnit.HOURS.toMicros(t));
142	>	HOURS.toMicros(t));
143		assertEquals(t*1000000L*60,
144	<	TimeUnit.MINUTES.toMicros(t));
144	>	MINUTES.toMicros(t));
145		assertEquals(1000000L*t,
146	<	TimeUnit.SECONDS.toMicros(t));
146	>	SECONDS.toMicros(t));
147		assertEquals(1000L*t,
148	<	TimeUnit.MILLISECONDS.toMicros(t));
148	>	MILLISECONDS.toMicros(t));
149		assertEquals(t,
150	<	TimeUnit.MICROSECONDS.toMicros(t));
150	>	MICROSECONDS.toMicros(t));
151		assertEquals(t,
152	<	TimeUnit.NANOSECONDS.toMicros(t*1000L));
152	>	NANOSECONDS.toMicros(t*1000L));
153		}
154		}
155
#	Line 171 | Line 160 | public class TimeUnitTest extends JSR166
160		public void testToMillis() {
161		for (long t = 0; t < 88888; ++t) {
162		assertEquals(t*1000L*60*60*24,
163	<	TimeUnit.DAYS.toMillis(t));
163	>	DAYS.toMillis(t));
164		assertEquals(t*1000L*60*60,
165	<	TimeUnit.HOURS.toMillis(t));
165	>	HOURS.toMillis(t));
166		assertEquals(t*1000L*60,
167	<	TimeUnit.MINUTES.toMillis(t));
167	>	MINUTES.toMillis(t));
168		assertEquals(1000L*t,
169	<	TimeUnit.SECONDS.toMillis(t));
169	>	SECONDS.toMillis(t));
170		assertEquals(t,
171	<	TimeUnit.MILLISECONDS.toMillis(t));
171	>	MILLISECONDS.toMillis(t));
172		assertEquals(t,
173	<	TimeUnit.MICROSECONDS.toMillis(t*1000L));
173	>	MICROSECONDS.toMillis(t*1000L));
174		assertEquals(t,
175	<	TimeUnit.NANOSECONDS.toMillis(t*1000000L));
175	>	NANOSECONDS.toMillis(t*1000000L));
176		}
177		}
178
#	Line 194 | Line 183 | public class TimeUnitTest extends JSR166
183		public void testToSeconds() {
184		for (long t = 0; t < 88888; ++t) {
185		assertEquals(t*60*60*24,
186	<	TimeUnit.DAYS.toSeconds(t));
186	>	DAYS.toSeconds(t));
187		assertEquals(t*60*60,
188	<	TimeUnit.HOURS.toSeconds(t));
188	>	HOURS.toSeconds(t));
189		assertEquals(t*60,
190	<	TimeUnit.MINUTES.toSeconds(t));
190	>	MINUTES.toSeconds(t));
191		assertEquals(t,
192	<	TimeUnit.SECONDS.toSeconds(t));
192	>	SECONDS.toSeconds(t));
193		assertEquals(t,
194	<	TimeUnit.MILLISECONDS.toSeconds(t*1000L));
194	>	MILLISECONDS.toSeconds(t*1000L));
195		assertEquals(t,
196	<	TimeUnit.MICROSECONDS.toSeconds(t*1000000L));
196	>	MICROSECONDS.toSeconds(t*1000000L));
197		assertEquals(t,
198	<	TimeUnit.NANOSECONDS.toSeconds(t*1000000000L));
198	>	NANOSECONDS.toSeconds(t*1000000000L));
199		}
200		}
201
#	Line 217 | Line 206 | public class TimeUnitTest extends JSR166
206		public void testToMinutes() {
207		for (long t = 0; t < 88888; ++t) {
208		assertEquals(t*60*24,
209	<	TimeUnit.DAYS.toMinutes(t));
209	>	DAYS.toMinutes(t));
210		assertEquals(t*60,
211	<	TimeUnit.HOURS.toMinutes(t));
211	>	HOURS.toMinutes(t));
212		assertEquals(t,
213	<	TimeUnit.MINUTES.toMinutes(t));
213	>	MINUTES.toMinutes(t));
214		assertEquals(t,
215	<	TimeUnit.SECONDS.toMinutes(t*60));
215	>	SECONDS.toMinutes(t*60));
216		assertEquals(t,
217	<	TimeUnit.MILLISECONDS.toMinutes(t*1000L*60));
217	>	MILLISECONDS.toMinutes(t*1000L*60));
218		assertEquals(t,
219	<	TimeUnit.MICROSECONDS.toMinutes(t*1000000L*60));
219	>	MICROSECONDS.toMinutes(t*1000000L*60));
220		assertEquals(t,
221	<	TimeUnit.NANOSECONDS.toMinutes(t*1000000000L*60));
221	>	NANOSECONDS.toMinutes(t*1000000000L*60));
222		}
223		}
224
#	Line 240 | Line 229 | public class TimeUnitTest extends JSR166
229		public void testToHours() {
230		for (long t = 0; t < 88888; ++t) {
231		assertEquals(t*24,
232	<	TimeUnit.DAYS.toHours(t));
232	>	DAYS.toHours(t));
233		assertEquals(t,
234	<	TimeUnit.HOURS.toHours(t));
234	>	HOURS.toHours(t));
235		assertEquals(t,
236	<	TimeUnit.MINUTES.toHours(t*60));
236	>	MINUTES.toHours(t*60));
237		assertEquals(t,
238	<	TimeUnit.SECONDS.toHours(t*60*60));
238	>	SECONDS.toHours(t*60*60));
239		assertEquals(t,
240	<	TimeUnit.MILLISECONDS.toHours(t*1000L*60*60));
240	>	MILLISECONDS.toHours(t*1000L*60*60));
241		assertEquals(t,
242	<	TimeUnit.MICROSECONDS.toHours(t*1000000L*60*60));
242	>	MICROSECONDS.toHours(t*1000000L*60*60));
243		assertEquals(t,
244	<	TimeUnit.NANOSECONDS.toHours(t*1000000000L*60*60));
244	>	NANOSECONDS.toHours(t*1000000000L*60*60));
245		}
246		}
247
#	Line 263 | Line 252 | public class TimeUnitTest extends JSR166
252		public void testToDays() {
253		for (long t = 0; t < 88888; ++t) {
254		assertEquals(t,
255	<	TimeUnit.DAYS.toDays(t));
255	>	DAYS.toDays(t));
256		assertEquals(t,
257	<	TimeUnit.HOURS.toDays(t*24));
257	>	HOURS.toDays(t*24));
258		assertEquals(t,
259	<	TimeUnit.MINUTES.toDays(t*60*24));
259	>	MINUTES.toDays(t*60*24));
260		assertEquals(t,
261	<	TimeUnit.SECONDS.toDays(t*60*60*24));
261	>	SECONDS.toDays(t*60*60*24));
262		assertEquals(t,
263	<	TimeUnit.MILLISECONDS.toDays(t*1000L*60*60*24));
263	>	MILLISECONDS.toDays(t*1000L*60*60*24));
264		assertEquals(t,
265	<	TimeUnit.MICROSECONDS.toDays(t*1000000L*60*60*24));
265	>	MICROSECONDS.toDays(t*1000000L*60*60*24));
266		assertEquals(t,
267	<	TimeUnit.NANOSECONDS.toDays(t*1000000000L*60*60*24));
267	>	NANOSECONDS.toDays(t*1000000000L*60*60*24));
268		}
269		}
270
282	–
271		/**
272		* convert saturates positive too-large values to Long.MAX_VALUE
273		* and negative to LONG.MIN_VALUE
274		*/
275		public void testConvertSaturate() {
276		assertEquals(Long.MAX_VALUE,
277	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
290	<	TimeUnit.SECONDS));
277	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
278		assertEquals(Long.MIN_VALUE,
279	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
293	<	TimeUnit.SECONDS));
279	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS));
280		assertEquals(Long.MAX_VALUE,
281	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
296	<	TimeUnit.MINUTES));
281	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES));
282		assertEquals(Long.MIN_VALUE,
283	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
299	<	TimeUnit.MINUTES));
283	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES));
284		assertEquals(Long.MAX_VALUE,
285	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
302	<	TimeUnit.HOURS));
285	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS));
286		assertEquals(Long.MIN_VALUE,
287	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
305	<	TimeUnit.HOURS));
287	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS));
288		assertEquals(Long.MAX_VALUE,
289	<	TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
308	<	TimeUnit.DAYS));
289	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS));
290		assertEquals(Long.MIN_VALUE,
291	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
311	<	TimeUnit.DAYS));
291	>	NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS));
292
293	+	for (TimeUnit x : TimeUnit.values())
294	+	for (TimeUnit y : TimeUnit.values()) {
295	+	long ratio = x.toNanos(1) / y.toNanos(1);
296	+	if (ratio >= 1) {
297	+	assertEquals(ratio, y.convert(1, x));
298	+	assertEquals(1, x.convert(ratio, y));
299	+	long max = Long.MAX_VALUE/ratio;
300	+	assertEquals(max * ratio, y.convert(max, x));
301	+	assertEquals(-max * ratio, y.convert(-max, x));
302	+	assertEquals(max, x.convert(max * ratio, y));
303	+	assertEquals(-max, x.convert(-max * ratio, y));
304	+	if (max < Long.MAX_VALUE) {
305	+	assertEquals(Long.MAX_VALUE, y.convert(max + 1, x));
306	+	assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x));
307	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x));
308	+	}
309	+	assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x));
310	+	assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x));
311	+	}
312	+	}
313		}
314
315		/**
#	Line 318 | Line 318 | public class TimeUnitTest extends JSR166
318		*/
319		public void testToNanosSaturate() {
320		assertEquals(Long.MAX_VALUE,
321	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
321	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
322		assertEquals(Long.MIN_VALUE,
323	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
323	>	MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
324	>
325	>	for (TimeUnit x : TimeUnit.values()) {
326	>	long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1);
327	>	if (ratio >= 1) {
328	>	long max = Long.MAX_VALUE/ratio;
329	>	for (long z : new long[] {0, 1, -1, max, -max})
330	>	assertEquals(z * ratio, x.toNanos(z));
331	>	if (max < Long.MAX_VALUE) {
332	>	assertEquals(Long.MAX_VALUE, x.toNanos(max + 1));
333	>	assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1));
334	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1));
335	>	}
336	>	assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE));
337	>	assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE));
338	>	if (max < Integer.MAX_VALUE) {
339	>	assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE));
340	>	assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE));
341	>	}
342	>	}
343	>	}
344	>	}
345	>
346	>	/**
347	>	* toMicros saturates positive too-large values to Long.MAX_VALUE
348	>	* and negative to LONG.MIN_VALUE
349	>	*/
350	>	public void testToMicrosSaturate() {
351	>	for (TimeUnit x : TimeUnit.values()) {
352	>	long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1);
353	>	if (ratio >= 1) {
354	>	long max = Long.MAX_VALUE/ratio;
355	>	for (long z : new long[] {0, 1, -1, max, -max})
356	>	assertEquals(z * ratio, x.toMicros(z));
357	>	if (max < Long.MAX_VALUE) {
358	>	assertEquals(Long.MAX_VALUE, x.toMicros(max + 1));
359	>	assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1));
360	>	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1));
361	>	}
362	>	assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE));
363	>	assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE));
364	>	if (max < Integer.MAX_VALUE) {
365	>	assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE));
366	>	assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE));
367	>	}
368	>	}
369	>	}
370	>	}
371	>
372	>	/**
373	>	* toMillis saturates positive too-large values to Long.MAX_VALUE
374	>	* and negative to LONG.MIN_VALUE
375	>	*/
376	>	public void testToMillisSaturate() {
377	>	for (TimeUnit x : TimeUnit.values()) {
378	>	long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1);
379	>	if (ratio >= 1) {
380	>	long max = Long.MAX_VALUE/ratio;
381	>	for (long z : new long[] {0, 1, -1, max, -max})
382	>	assertEquals(z * ratio, x.toMillis(z));
383	>	if (max < Long.MAX_VALUE) {
384	>	assertEquals(Long.MAX_VALUE, x.toMillis(max + 1));
385	>	assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1));
386	>	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1));
387	>	}
388	>	assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE));
389	>	assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE));
390	>	if (max < Integer.MAX_VALUE) {
391	>	assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE));
392	>	assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE));
393	>	}
394	>	}
395	>	}
396	>	}
397	>
398	>	/**
399	>	* toSeconds saturates positive too-large values to Long.MAX_VALUE
400	>	* and negative to LONG.MIN_VALUE
401	>	*/
402	>	public void testToSecondsSaturate() {
403	>	for (TimeUnit x : TimeUnit.values()) {
404	>	long ratio = x.toNanos(1) / SECONDS.toNanos(1);
405	>	if (ratio >= 1) {
406	>	long max = Long.MAX_VALUE/ratio;
407	>	for (long z : new long[] {0, 1, -1, max, -max})
408	>	assertEquals(z * ratio, x.toSeconds(z));
409	>	if (max < Long.MAX_VALUE) {
410	>	assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1));
411	>	assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1));
412	>	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1));
413	>	}
414	>	assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE));
415	>	assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE));
416	>	if (max < Integer.MAX_VALUE) {
417	>	assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE));
418	>	assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE));
419	>	}
420	>	}
421	>	}
422	>	}
423	>
424	>	/**
425	>	* toMinutes saturates positive too-large values to Long.MAX_VALUE
426	>	* and negative to LONG.MIN_VALUE
427	>	*/
428	>	public void testToMinutesSaturate() {
429	>	for (TimeUnit x : TimeUnit.values()) {
430	>	long ratio = x.toNanos(1) / MINUTES.toNanos(1);
431	>	if (ratio > 1) {
432	>	long max = Long.MAX_VALUE/ratio;
433	>	for (long z : new long[] {0, 1, -1, max, -max})
434	>	assertEquals(z * ratio, x.toMinutes(z));
435	>	assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1));
436	>	assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1));
437	>	assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE));
438	>	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE));
439	>	assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1));
440	>	}
441	>	}
442		}
443
444	+	/**
445	+	* toHours saturates positive too-large values to Long.MAX_VALUE
446	+	* and negative to LONG.MIN_VALUE
447	+	*/
448	+	public void testToHoursSaturate() {
449	+	for (TimeUnit x : TimeUnit.values()) {
450	+	long ratio = x.toNanos(1) / HOURS.toNanos(1);
451	+	if (ratio >= 1) {
452	+	long max = Long.MAX_VALUE/ratio;
453	+	for (long z : new long[] {0, 1, -1, max, -max})
454	+	assertEquals(z * ratio, x.toHours(z));
455	+	if (max < Long.MAX_VALUE) {
456	+	assertEquals(Long.MAX_VALUE, x.toHours(max + 1));
457	+	assertEquals(Long.MIN_VALUE, x.toHours(-max - 1));
458	+	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1));
459	+	}
460	+	assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE));
461	+	assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE));
462	+	}
463	+	}
464	+	}
465
466		/**
467	<	* toString returns string containing common name of unit
467	>	* toString returns name of unit
468		*/
469		public void testToString() {
470	<	String s = TimeUnit.SECONDS.toString();
471	<	assertTrue(s.indexOf("ECOND") >= 0);
470	>	assertEquals("NANOSECONDS", NANOSECONDS.toString());
471	>	assertEquals("MICROSECONDS", MICROSECONDS.toString());
472	>	assertEquals("MILLISECONDS", MILLISECONDS.toString());
473	>	assertEquals("SECONDS", SECONDS.toString());
474	>	assertEquals("MINUTES", MINUTES.toString());
475	>	assertEquals("HOURS", HOURS.toString());
476	>	assertEquals("DAYS", DAYS.toString());
477		}
478
479	+	/**
480	+	* name returns name of unit
481	+	*/
482	+	public void testName() {
483	+	for (TimeUnit x : TimeUnit.values())
484	+	assertEquals(x.toString(), x.name());
485	+	}
486
487		/**
488	<	*  Timed wait without holding lock throws
489	<	*  IllegalMonitorStateException
488	>	* Timed wait without holding lock throws
489	>	* IllegalMonitorStateException
490		*/
491	<	public void testTimedWait_IllegalMonitorException() throws Exception {
492	<	Thread t = new Thread(new CheckedRunnable() {
491	>	public void testTimedWait_IllegalMonitorException() {
492	>	Thread t = newStartedThread(new CheckedRunnable() {
493		public void realRun() throws InterruptedException {
494		Object o = new Object();
344	–	TimeUnit tu = TimeUnit.MILLISECONDS;
495		try {
496	<	tu.timedWait(o,LONG_DELAY_MS);
496	>	MILLISECONDS.timedWait(o, LONGER_DELAY_MS);
497		threadShouldThrow();
498	<	} catch (IllegalMonitorStateException success) {}}});
498	>	} catch (IllegalMonitorStateException success) {}
499	>	}});
500
501	<	t.start();
351	<	Thread.sleep(SHORT_DELAY_MS);
352	<	t.interrupt();
353	<	t.join();
501	>	awaitTermination(t);
502		}
503
504		/**
505		* timedWait throws InterruptedException when interrupted
506		*/
507	<	public void testTimedWait() throws InterruptedException {
508	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
507	>	public void testTimedWait_Interruptible() {
508	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
509	>	Thread t = newStartedThread(new CheckedRunnable() {
510		public void realRun() throws InterruptedException {
511		Object o = new Object();
512
513	<	TimeUnit tu = TimeUnit.MILLISECONDS;
514	<	synchronized(o) {
515	<	tu.timedWait(o,MEDIUM_DELAY_MS);
516	<	}
513	>	Thread.currentThread().interrupt();
514	>	try {
515	>	synchronized (o) {
516	>	MILLISECONDS.timedWait(o, LONGER_DELAY_MS);
517	>	}
518	>	shouldThrow();
519	>	} catch (InterruptedException success) {}
520	>	assertFalse(Thread.interrupted());
521	>
522	>	pleaseInterrupt.countDown();
523	>	try {
524	>	synchronized (o) {
525	>	MILLISECONDS.timedWait(o, LONGER_DELAY_MS);
526	>	}
527	>	shouldThrow();
528	>	} catch (InterruptedException success) {}
529	>	assertFalse(Thread.interrupted());
530		}});
531	<	t.start();
532	<	Thread.sleep(SHORT_DELAY_MS);
531	>
532	>	await(pleaseInterrupt);
533	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
534		t.interrupt();
535	<	t.join();
535	>	awaitTermination(t);
536		}
537
375	–
538		/**
539		* timedJoin throws InterruptedException when interrupted
540		*/
541	<	public void testTimedJoin() throws InterruptedException {
542	<	final Thread s = new Thread(new CheckedInterruptedRunnable() {
541	>	public void testTimedJoin_Interruptible() {
542	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
543	>	final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
544		public void realRun() throws InterruptedException {
545	<	Thread.sleep(MEDIUM_DELAY_MS);
545	>	Thread.sleep(LONGER_DELAY_MS);
546		}});
547	<	final Thread t = new Thread(new CheckedInterruptedRunnable() {
547	>	final Thread t = newStartedThread(new CheckedRunnable() {
548		public void realRun() throws InterruptedException {
549	<	TimeUnit tu = TimeUnit.MILLISECONDS;
550	<	tu.timedJoin(s, MEDIUM_DELAY_MS);
551	<	}});;
552	<	s.start();
553	<	t.start();
554	<	Thread.sleep(SHORT_DELAY_MS);
549	>	Thread.currentThread().interrupt();
550	>	try {
551	>	MILLISECONDS.timedJoin(s, LONGER_DELAY_MS);
552	>	shouldThrow();
553	>	} catch (InterruptedException success) {}
554	>	assertFalse(Thread.interrupted());
555	>
556	>	pleaseInterrupt.countDown();
557	>	try {
558	>	MILLISECONDS.timedJoin(s, LONGER_DELAY_MS);
559	>	shouldThrow();
560	>	} catch (InterruptedException success) {}
561	>	assertFalse(Thread.interrupted());
562	>	}});
563	>
564	>	await(pleaseInterrupt);
565	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
566		t.interrupt();
567	<	t.join();
567	>	awaitTermination(t);
568		s.interrupt();
569	<	s.join();
569	>	awaitTermination(s);
570		}
571
572		/**
573	<	*  timedSleep throws InterruptedException when interrupted
573	>	* timeUnit.sleep throws InterruptedException when interrupted
574		*/
575	<	public void testTimedSleep() throws InterruptedException {
576	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
575	>	public void testTimedSleep_Interruptible() {
576	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
577	>	Thread t = newStartedThread(new CheckedRunnable() {
578		public void realRun() throws InterruptedException {
579	<	TimeUnit tu = TimeUnit.MILLISECONDS;
580	<	tu.sleep(MEDIUM_DELAY_MS);
579	>	Thread.currentThread().interrupt();
580	>	try {
581	>	MILLISECONDS.sleep(LONGER_DELAY_MS);
582	>	shouldThrow();
583	>	} catch (InterruptedException success) {}
584	>	assertFalse(Thread.interrupted());
585	>
586	>	pleaseInterrupt.countDown();
587	>	try {
588	>	MILLISECONDS.sleep(LONGER_DELAY_MS);
589	>	shouldThrow();
590	>	} catch (InterruptedException success) {}
591	>	assertFalse(Thread.interrupted());
592		}});
593
594	<	t.start();
595	<	Thread.sleep(SHORT_DELAY_MS);
594	>	await(pleaseInterrupt);
595	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
596		t.interrupt();
597	<	t.join();
597	>	awaitTermination(t);
598		}
599
600		/**
601	<	* a deserialized serialized unit is the same instance
601	>	* timeUnit.sleep(x) for x <= 0 does not sleep at all.
602		*/
603	<	public void testSerialization() throws Exception {
604	<	TimeUnit q = TimeUnit.MILLISECONDS;
603	>	public void testTimedSleep_nonPositive() throws InterruptedException {
604	>	boolean interrupt = randomBoolean();
605	>	if (interrupt) Thread.currentThread().interrupt();
606	>	randomTimeUnit().sleep(0L);
607	>	randomTimeUnit().sleep(-1L);
608	>	randomTimeUnit().sleep(Long.MIN_VALUE);
609	>	if (interrupt) assertTrue(Thread.interrupted());
610	>	}
611
612	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
613	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
614	<	out.writeObject(q);
615	<	out.close();
616	<
617	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
426	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
427	<	TimeUnit r = (TimeUnit)in.readObject();
428	<	assertSame(q, r);
612	>	/**
613	>	* a deserialized/reserialized unit is the same instance
614	>	*/
615	>	public void testSerialization() throws Exception {
616	>	for (TimeUnit x : TimeUnit.values())
617	>	assertSame(x, serialClone(x));
618		}
619
620		}

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