ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/TimeUnitTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.29 by jsr166, Fri Mar 25 04:53:28 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	<	assertEquals(t,
204	<	TimeUnit.MILLISECONDS.toSeconds(t * 1000));
205	<	assertEquals(t,
206	<	TimeUnit.MICROSECONDS.toSeconds(t * 1000000));
207	<	assertEquals(t,
208	<	TimeUnit.NANOSECONDS.toSeconds(t * 1000000000));
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	+	/**
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	<	*
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	>	* 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,
153	<	TimeUnit.SECONDS));
278	>	NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS));
279		assertEquals(Long.MIN_VALUE,
280	<	TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
281	<	TimeUnit.SECONDS));
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	>	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	+	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		/**
317	<	*
317	>	* toNanos saturates positive too-large values to Long.MAX_VALUE
318	>	* and negative to LONG.MIN_VALUE
319		*/
320		public void testToNanosSaturate() {
321	<	assertEquals(Long.MAX_VALUE,
322	<	TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
323	<	assertEquals(Long.MIN_VALUE,
324	<	TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
325	<
321	>	assertEquals(Long.MAX_VALUE,
322	>	MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
323	>	assertEquals(Long.MIN_VALUE,
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	<	*
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	>	* 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();
177	<	assertTrue(s.indexOf("econd") >= 0);
471	>	assertEquals("SECONDS", SECONDS.toString());
472		}
473
180	–
474		/**
475	<	*  Timed wait without holding lock throws
183	<	*  IllegalMonitorStateException
475	>	* name returns name of unit
476		*/
477	+	public void testName() {
478	+	assertEquals("SECONDS", SECONDS.name());
479	+	}
480	+
481		/**
482	<	*
482	>	* Timed wait without holding lock throws
483	>	* IllegalMonitorStateException
484		*/
485		public void testTimedWait_IllegalMonitorException() {
486	<	//created a new thread with anonymous runnable
486	>	Thread t = newStartedThread(new CheckedRunnable() {
487	>	public void realRun() throws InterruptedException {
488	>	Object o = new Object();
489	>	TimeUnit tu = MILLISECONDS;
490	>
491	>	try {
492	>	tu.timedWait(o, LONG_DELAY_MS);
493	>	threadShouldThrow();
494	>	} catch (IllegalMonitorStateException success) {}
495	>	}});
496	>
497	>	awaitTermination(t);
498	>	}
499
500	<	Thread t = new Thread(new Runnable() {
501	<	public void run() {
502	<	Object o = new Object();
503	<	TimeUnit tu = TimeUnit.MILLISECONDS;
504	<	try {
505	<	tu.timedWait(o,LONG_DELAY_MS);
506	<	threadShouldThrow();
500	>	/**
501	>	* timedWait throws InterruptedException when interrupted
502	>	*/
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	>	Thread.currentThread().interrupt();
511	>	try {
512	>	synchronized (o) {
513	>	tu.timedWait(o, LONG_DELAY_MS);
514		}
515	<	catch (InterruptedException ie) {
516	<	threadUnexpectedException();
517	<	}
518	<	catch(IllegalMonitorStateException success) {
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	<
525	<	}
526	<	});
527	<	t.start();
528	<	try {
529	<	Thread.sleep(SHORT_DELAY_MS);
530	<	t.interrupt();
531	<	t.join();
532	<	} catch(Exception e) {
533	<	unexpectedException();
534	<	}
535	<	}
536	<
537	<	/**
538	<	*   timedWait will throw InterruptedException.
539	<	*  Thread t waits on timedWait while the main thread interrupts it.
540	<	*  Note:  This does not throw IllegalMonitorException since timeWait
541	<	*         is synchronized on o
542	<	*/
543	<	/**
544	<	*
545	<	*/
546	<	public void testTimedWait() {
547	<	Thread t = new Thread(new Runnable() {
548	<	public void run() {
549	<	Object o = new Object();
550	<
551	<	TimeUnit tu = TimeUnit.MILLISECONDS;
552	<	try {
553	<	synchronized(o) {
554	<	tu.timedWait(o,MEDIUM_DELAY_MS);
555	<	}
556	<	threadShouldThrow();
557	<	}
558	<	catch(InterruptedException success) {}
559	<	catch(IllegalMonitorStateException failure) {
560	<	threadUnexpectedException();
561	<	}
562	<	}
563	<	});
564	<	t.start();
565	<	try {
566	<	Thread.sleep(SHORT_DELAY_MS);
567	<	t.interrupt();
568	<	t.join();
569	<	} catch(Exception e) {
570	<	unexpectedException();
571	<	}
572	<	}
573	<
574	<
575	<	/**
576	<	*   timedJoin will throw InterruptedException.
577	<	*  Thread t waits on timedJoin while the main thread interrupts it.
578	<	*/
579	<	/**
580	<	*
581	<	*/
582	<	public void testTimedJoin() {
583	<	Thread t = new Thread(new Runnable() {
584	<	public void run() {
585	<	TimeUnit tu = TimeUnit.MILLISECONDS;
586	<	try {
587	<	Thread s = new Thread(new Runnable() {
588	<	public void run() {
589	<	try {
590	<	Thread.sleep(MEDIUM_DELAY_MS);
591	<	} catch(InterruptedException success){}
592	<	}
593	<	});
594	<	s.start();
595	<	tu.timedJoin(s,MEDIUM_DELAY_MS);
596	<	threadShouldThrow();
597	<	}
598	<	catch(Exception e) {}
599	<	}
600	<	});
601	<	t.start();
602	<	try {
603	<	Thread.sleep(SHORT_DELAY_MS);
604	<	t.interrupt();
605	<	t.join();
606	<	} catch(Exception e) {
607	<	unexpectedException();
608	<	}
609	<	}
610	<
611	<	/**
612	<	*   timedSleep will throw InterruptedException.
613	<	*  Thread t waits on timedSleep while the main thread interrupts it.
614	<	*/
615	<	/**
616	<	*
617	<	*/
618	<	public void testTimedSleep() {
619	<	//created a new thread with anonymous runnable
620	<
621	<	Thread t = new Thread(new Runnable() {
622	<	public void run() {
623	<	TimeUnit tu = TimeUnit.MILLISECONDS;
624	<	try {
625	<	tu.sleep(MEDIUM_DELAY_MS);
626	<	threadShouldThrow();
627	<	}
628	<	catch(InterruptedException success) {}
629	<	}
630	<	});
631	<	t.start();
632	<	try {
633	<	Thread.sleep(SHORT_DELAY_MS);
634	<	t.interrupt();
635	<	t.join();
636	<	} catch(Exception e) {
637	<	unexpectedException();
638	<	}
639	<	}
640	<
641	<	/**
642	<	*
643	<	*/
644	<	public void testSerialization() {
645	<	TimeUnit q = TimeUnit.MILLISECONDS;
646	<
647	<	try {
648	<	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();
524	>	shouldThrow();
525	>	} catch (InterruptedException success) {}
526	>	assertFalse(Thread.interrupted());
527	>	}});
528	>
529	>	await(pleaseInterrupt);
530	>	assertThreadStaysAlive(t);
531	>	t.interrupt();
532	>	awaitTermination(t);
533	>	}
534	>
535	>	/**
536	>	* timedJoin throws InterruptedException when interrupted
537	>	*/
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(LONG_DELAY_MS);
543	>	}});
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	>	awaitTermination(t);
566	>	s.interrupt();
567	>	awaitTermination(s);
568	>	}
569	>
570	>	/**
571	>	* timedSleep throws InterruptedException when interrupted
572	>	*/
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	>	await(pleaseInterrupt);
594	>	assertThreadStaysAlive(t);
595	>	t.interrupt();
596	>	awaitTermination(t);
597	>	}
598	>
599	>	/**
600	>	* a deserialized serialized unit is the same instance
601	>	*/
602	>	public void testSerialization() throws Exception {
603	>	for (TimeUnit x : TimeUnit.values())
604	>	assertSame(x, serialClone(x));
605	>	}
606	>
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

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines