1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ****************************************************************************
5 * Copyright (c) 1997-2014, International Business Machines Corporation and *
6 * others. All Rights Reserved. *
7 ****************************************************************************
8 */
9
10 #include "unicode/utypes.h"
11
12 #if !UCONFIG_NO_FORMATTING
13
14 #include "unicode/utmscale.h"
15 #include "unicode/ucal.h"
16
17 #include "cintltst.h"
18 #include "cmemory.h"
19
20 #include <stdlib.h>
21 #include <time.h>
22
23 #define LOOP_COUNT 10000
24
25 static void TestAPI(void);
26 static void TestData(void);
27 static void TestMonkey(void);
28 static void TestDotNet(void);
29
30 void addUtmsTest(TestNode** root);
31
addUtmsTest(TestNode ** root)32 void addUtmsTest(TestNode** root)
33 {
34 addTest(root, &TestAPI, "tsformat/utmstest/TestAPI");
35 addTest(root, &TestData, "tsformat/utmstest/TestData");
36 addTest(root, &TestMonkey, "tsformat/utmstest/TestMonkey");
37 addTest(root, &TestDotNet, "tsformat/utmstest/TestDotNet");
38 }
39
40 /**
41 * Return a random int64_t where U_INT64_MIN <= ran <= U_INT64_MAX.
42 */
randomInt64(void)43 static uint64_t randomInt64(void)
44 {
45 int64_t ran = 0;
46 int32_t i;
47 static UBool initialized = FALSE;
48
49 if (!initialized) {
50 srand((unsigned)time(NULL));
51 initialized = TRUE;
52 }
53
54 /* Assume rand has at least 12 bits of precision */
55 for (i = 0; i < (int32_t)sizeof(ran); i += 1) {
56 ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
57 }
58
59 return ran;
60 }
61
62 static int64_t ranInt;
63 static int64_t ranMin;
64 static int64_t ranMax;
65
initRandom(int64_t min,int64_t max)66 static void initRandom(int64_t min, int64_t max)
67 {
68 uint64_t interval = (uint64_t)max - (uint64_t)min;
69
70 ranMin = min;
71 ranMax = max;
72 ranInt = 0;
73
74 /* Verify that we don't have a huge interval. */
75 if (interval < (uint64_t)U_INT64_MAX) {
76 ranInt = interval;
77 }
78 }
79
randomInRange(void)80 static int64_t randomInRange(void)
81 {
82 int64_t value;
83
84 if (ranInt != 0) {
85 value = randomInt64() % ranInt;
86
87 if (value < 0) {
88 value = -value;
89 }
90
91 value += ranMin;
92 } else {
93 do {
94 value = randomInt64();
95 } while (value < ranMin || value > ranMax);
96 }
97
98 return value;
99 }
100
roundTripTest(int64_t value,UDateTimeScale scale)101 static void roundTripTest(int64_t value, UDateTimeScale scale)
102 {
103 UErrorCode status = U_ZERO_ERROR;
104 int64_t rt = utmscale_toInt64(utmscale_fromInt64(value, scale, &status), scale, &status);
105
106 if (rt != value) {
107 log_err("Round-trip error: time scale = %d, value = %lld, round-trip = %lld.\n", scale, value, rt);
108 }
109 }
110
toLimitTest(int64_t toLimit,int64_t fromLimit,UDateTimeScale scale)111 static void toLimitTest(int64_t toLimit, int64_t fromLimit, UDateTimeScale scale)
112 {
113 UErrorCode status = U_ZERO_ERROR;
114 int64_t result = utmscale_toInt64(toLimit, scale, &status);
115
116 if (result != fromLimit) {
117 log_err("toLimit failure: scale = %d, toLimit = %lld , utmscale_toInt64(toLimit, scale, &status) = %lld, fromLimit = %lld.\n",
118 scale, toLimit, result, fromLimit);
119 }
120 }
121
epochOffsetTest(int64_t epochOffset,int64_t units,UDateTimeScale scale)122 static void epochOffsetTest(int64_t epochOffset, int64_t units, UDateTimeScale scale)
123 {
124 UErrorCode status = U_ZERO_ERROR;
125 int64_t universal = 0;
126 int64_t universalEpoch = epochOffset * units;
127 int64_t local = utmscale_toInt64(universalEpoch, scale, &status);
128
129 if (local != 0) {
130 log_err("utmscale_toInt64(epochOffset, scale, &status): scale = %d epochOffset = %lld, result = %lld.\n", scale, epochOffset, local);
131 }
132
133 local = utmscale_toInt64(0, scale, &status);
134
135 if (local != -epochOffset) {
136 log_err("utmscale_toInt64(0, scale): scale = %d, result = %lld.\n", scale, local);
137 }
138
139 universal = utmscale_fromInt64(-epochOffset, scale, &status);
140
141 if (universal != 0) {
142 log_err("from(-epochOffest, scale): scale = %d, epochOffset = %lld, result = %lld.\n", scale, epochOffset, universal);
143 }
144
145 universal = utmscale_fromInt64(0, scale, &status);
146
147 if (universal != universalEpoch) {
148 log_err("utmscale_fromInt64(0, scale): scale = %d, result = %lld.\n", scale, universal);
149 }
150 }
151
TestEpochOffsets(void)152 static void TestEpochOffsets(void)
153 {
154 UErrorCode status = U_ZERO_ERROR;
155 int32_t scale;
156
157 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
158 int64_t units = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_UNITS_VALUE, &status);
159 int64_t epochOffset = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_EPOCH_OFFSET_VALUE, &status);
160
161 epochOffsetTest(epochOffset, units, (UDateTimeScale)scale);
162 }
163 }
164
TestFromLimits(void)165 static void TestFromLimits(void)
166 {
167 UErrorCode status = U_ZERO_ERROR;
168 int32_t scale;
169
170 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
171 int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
172 int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
173
174 roundTripTest(fromMin, (UDateTimeScale)scale);
175 roundTripTest(fromMax, (UDateTimeScale)scale);
176 }
177 }
178
TestToLimits(void)179 static void TestToLimits(void)
180 {
181 UErrorCode status = U_ZERO_ERROR;
182 int32_t scale;
183
184 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
185 int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
186 int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
187 int64_t toMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
188 int64_t toMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
189
190 toLimitTest(toMin, fromMin, (UDateTimeScale)scale);
191 toLimitTest(toMax, fromMax, (UDateTimeScale)scale);
192 }
193 }
194
TestFromInt64(void)195 static void TestFromInt64(void)
196 {
197 int32_t scale;
198 int64_t result;
199 UErrorCode status = U_ZERO_ERROR;
200
201 result = utmscale_fromInt64(0, -1, &status);
202 (void)result; /* Suppress set but not used warning. */
203 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
204 log_err("utmscale_fromInt64(0, -1, status) did not set status to U_ILLEGAL_ARGUMENT_ERROR.\n");
205 }
206
207 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
208 int64_t fromMin, fromMax;
209
210 status = U_ZERO_ERROR;
211 fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
212 fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
213
214 status = U_ZERO_ERROR;
215 result = utmscale_fromInt64(0, (UDateTimeScale)scale, &status);
216 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
217 log_err("utmscale_fromInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
218 }
219
220 status = U_ZERO_ERROR;
221 result = utmscale_fromInt64(fromMin, (UDateTimeScale)scale, &status);
222 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
223 log_err("utmscale_fromInt64(fromMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
224 }
225
226 if (fromMin > U_INT64_MIN) {
227 status = U_ZERO_ERROR;
228 result = utmscale_fromInt64(fromMin - 1, (UDateTimeScale)scale, &status);
229 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
230 log_err("utmscale_fromInt64(fromMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
231 }
232 }
233
234 status = U_ZERO_ERROR;
235 result = utmscale_fromInt64(fromMax, (UDateTimeScale)scale, &status);
236 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
237 log_err("utmscale_fromInt64(fromMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
238 }
239
240 if (fromMax < U_INT64_MAX) {
241 status = U_ZERO_ERROR;
242 result = utmscale_fromInt64(fromMax + 1, (UDateTimeScale)scale, &status);
243 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
244 log_err("utmscale_fromInt64(fromMax + 1, %d, &status) didn't generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
245 }
246 }
247 }
248
249 status = U_ZERO_ERROR;
250 result = utmscale_fromInt64(0, UDTS_MAX_SCALE, &status);
251 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
252 log_err("utmscale_fromInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
253 }
254 }
255
TestToInt64(void)256 static void TestToInt64(void)
257 {
258 int32_t scale;
259 int64_t result;
260 UErrorCode status = U_ZERO_ERROR;
261
262 result = utmscale_toInt64(0, -1, &status);
263 (void)result; /* suppress set but not used warning. */
264 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
265 log_err("utmscale_toInt64(0, -1, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
266 }
267
268 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
269 int64_t toMin, toMax;
270
271 status = U_ZERO_ERROR;
272 toMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
273 toMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
274
275 status = U_ZERO_ERROR;
276 result = utmscale_toInt64(0, (UDateTimeScale)scale, &status);
277 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
278 log_err("utmscale_toInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
279 }
280
281 status = U_ZERO_ERROR;
282 result = utmscale_toInt64(toMin, (UDateTimeScale)scale, &status);
283 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
284 log_err("utmscale_toInt64(toMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
285 }
286
287 if (toMin > U_INT64_MIN) {
288 status = U_ZERO_ERROR;
289 result = utmscale_toInt64(toMin - 1, (UDateTimeScale)scale, &status);
290 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
291 log_err("utmscale_toInt64(toMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
292 }
293 }
294
295
296 status = U_ZERO_ERROR;
297 result = utmscale_toInt64(toMax, (UDateTimeScale)scale, &status);
298 if (status == U_ILLEGAL_ARGUMENT_ERROR) {
299 log_err("utmscale_toInt64(toMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
300 }
301
302 if (toMax < U_INT64_MAX) {
303 status = U_ZERO_ERROR;
304 result = utmscale_toInt64(toMax + 1, (UDateTimeScale)scale, &status);
305 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
306 log_err("utmscale_toInt64(toMax + 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
307 }
308 }
309 }
310
311 status = U_ZERO_ERROR;
312 result = utmscale_toInt64(0, UDTS_MAX_SCALE, &status);
313 if (status != U_ILLEGAL_ARGUMENT_ERROR) {
314 log_err("utmscale_toInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
315 }
316 }
317
TestAPI(void)318 static void TestAPI(void)
319 {
320 TestFromInt64();
321 TestToInt64();
322 }
323
TestData(void)324 static void TestData(void)
325 {
326 TestEpochOffsets();
327 TestFromLimits();
328 TestToLimits();
329 }
330
TestMonkey(void)331 static void TestMonkey(void)
332 {
333 int32_t scale;
334 UErrorCode status = U_ZERO_ERROR;
335
336 for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
337 int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
338 int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
339 int32_t i;
340
341 initRandom(fromMin, fromMax);
342
343 for (i = 0; i < LOOP_COUNT; i += 1) {
344 int64_t value = randomInRange();
345
346 roundTripTest(value, (UDateTimeScale)scale);
347 }
348 }
349 }
350
351 struct DotNetDateTimeTicks {
352 int32_t year;
353 int32_t month;
354 int32_t day;
355 int64_t ticks;
356 };
357 typedef struct DotNetDateTimeTicks DotNetDateTimeTicks;
358
359 /*
360 * This data was generated by C++.Net code like
361 * Console::WriteLine(L" {{ {0}, 1, 1, INT64_C({1}) }},", year, DateTime(year, 1, 1).Ticks);
362 * with the DateTime constructor taking int values for year, month, and date.
363 */
364 static const DotNetDateTimeTicks dotNetDateTimeTicks[]={
365 /* year, month, day, ticks */
366 { 100, 1, 1, INT64_C(31241376000000000) },
367 { 100, 3, 1, INT64_C(31292352000000000) },
368 { 200, 1, 1, INT64_C(62798112000000000) },
369 { 200, 3, 1, INT64_C(62849088000000000) },
370 { 300, 1, 1, INT64_C(94354848000000000) },
371 { 300, 3, 1, INT64_C(94405824000000000) },
372 { 400, 1, 1, INT64_C(125911584000000000) },
373 { 400, 3, 1, INT64_C(125963424000000000) },
374 { 500, 1, 1, INT64_C(157469184000000000) },
375 { 500, 3, 1, INT64_C(157520160000000000) },
376 { 600, 1, 1, INT64_C(189025920000000000) },
377 { 600, 3, 1, INT64_C(189076896000000000) },
378 { 700, 1, 1, INT64_C(220582656000000000) },
379 { 700, 3, 1, INT64_C(220633632000000000) },
380 { 800, 1, 1, INT64_C(252139392000000000) },
381 { 800, 3, 1, INT64_C(252191232000000000) },
382 { 900, 1, 1, INT64_C(283696992000000000) },
383 { 900, 3, 1, INT64_C(283747968000000000) },
384 { 1000, 1, 1, INT64_C(315253728000000000) },
385 { 1000, 3, 1, INT64_C(315304704000000000) },
386 { 1100, 1, 1, INT64_C(346810464000000000) },
387 { 1100, 3, 1, INT64_C(346861440000000000) },
388 { 1200, 1, 1, INT64_C(378367200000000000) },
389 { 1200, 3, 1, INT64_C(378419040000000000) },
390 { 1300, 1, 1, INT64_C(409924800000000000) },
391 { 1300, 3, 1, INT64_C(409975776000000000) },
392 { 1400, 1, 1, INT64_C(441481536000000000) },
393 { 1400, 3, 1, INT64_C(441532512000000000) },
394 { 1500, 1, 1, INT64_C(473038272000000000) },
395 { 1500, 3, 1, INT64_C(473089248000000000) },
396 { 1600, 1, 1, INT64_C(504595008000000000) },
397 { 1600, 3, 1, INT64_C(504646848000000000) },
398 { 1700, 1, 1, INT64_C(536152608000000000) },
399 { 1700, 3, 1, INT64_C(536203584000000000) },
400 { 1800, 1, 1, INT64_C(567709344000000000) },
401 { 1800, 3, 1, INT64_C(567760320000000000) },
402 { 1900, 1, 1, INT64_C(599266080000000000) },
403 { 1900, 3, 1, INT64_C(599317056000000000) },
404 { 2000, 1, 1, INT64_C(630822816000000000) },
405 { 2000, 3, 1, INT64_C(630874656000000000) },
406 { 2100, 1, 1, INT64_C(662380416000000000) },
407 { 2100, 3, 1, INT64_C(662431392000000000) },
408 { 2200, 1, 1, INT64_C(693937152000000000) },
409 { 2200, 3, 1, INT64_C(693988128000000000) },
410 { 2300, 1, 1, INT64_C(725493888000000000) },
411 { 2300, 3, 1, INT64_C(725544864000000000) },
412 { 2400, 1, 1, INT64_C(757050624000000000) },
413 { 2400, 3, 1, INT64_C(757102464000000000) },
414 { 2500, 1, 1, INT64_C(788608224000000000) },
415 { 2500, 3, 1, INT64_C(788659200000000000) },
416 { 2600, 1, 1, INT64_C(820164960000000000) },
417 { 2600, 3, 1, INT64_C(820215936000000000) },
418 { 2700, 1, 1, INT64_C(851721696000000000) },
419 { 2700, 3, 1, INT64_C(851772672000000000) },
420 { 2800, 1, 1, INT64_C(883278432000000000) },
421 { 2800, 3, 1, INT64_C(883330272000000000) },
422 { 2900, 1, 1, INT64_C(914836032000000000) },
423 { 2900, 3, 1, INT64_C(914887008000000000) },
424 { 3000, 1, 1, INT64_C(946392768000000000) },
425 { 3000, 3, 1, INT64_C(946443744000000000) },
426 { 1, 1, 1, INT64_C(0) },
427 { 1601, 1, 1, INT64_C(504911232000000000) },
428 { 1899, 12, 31, INT64_C(599265216000000000) },
429 { 1904, 1, 1, INT64_C(600527520000000000) },
430 { 1970, 1, 1, INT64_C(621355968000000000) },
431 { 2001, 1, 1, INT64_C(631139040000000000) },
432 { 9900, 3, 1, INT64_C(3123873216000000000) },
433 { 9999, 12, 31, INT64_C(3155378112000000000) }
434 };
435
436 /*
437 * ICU's Universal Time Scale is designed to be tick-for-tick compatible with
438 * .Net System.DateTime. Verify that this is so for the
439 * .Net-supported date range (years 1-9999 AD).
440 * This requires a proleptic Gregorian calendar because that's what .Net uses.
441 * Proleptic: No Julian/Gregorian switchover, or a switchover before
442 * any date that we test, that is, before 0001 AD.
443 */
444 static void
TestDotNet()445 TestDotNet() {
446 static const UChar utc[] = { 0x45, 0x74, 0x63, 0x2f, 0x47, 0x4d, 0x54, 0 }; /* "Etc/GMT" */
447 const int32_t dayMillis = 86400 * INT64_C(1000); /* 1 day = 86400 seconds */
448 const int64_t dayTicks = 86400 * INT64_C(10000000);
449 const DotNetDateTimeTicks *dt;
450 UCalendar *cal;
451 UErrorCode errorCode;
452 UDate icuDate;
453 int64_t ticks, millis;
454 int32_t i;
455
456 /* Open a proleptic Gregorian calendar. */
457 errorCode = U_ZERO_ERROR;
458 cal = ucal_open(utc, -1, "", UCAL_GREGORIAN, &errorCode);
459 ucal_setGregorianChange(cal, -1000000 * (dayMillis * (UDate)1), &errorCode);
460 if(U_FAILURE(errorCode)) {
461 log_data_err("ucal_open(UTC/proleptic Gregorian) failed: %s - (Are you missing data?)\n", u_errorName(errorCode));
462 ucal_close(cal);
463 return;
464 }
465 for(i = 0; i < UPRV_LENGTHOF(dotNetDateTimeTicks); ++i) {
466 /* Test conversion from .Net/Universal time to ICU time. */
467 dt = dotNetDateTimeTicks + i;
468 millis = utmscale_toInt64(dt->ticks, UDTS_ICU4C_TIME, &errorCode);
469 ucal_clear(cal);
470 ucal_setDate(cal, dt->year, dt->month - 1, dt->day, &errorCode); /* Java & ICU use January = month 0. */
471 icuDate = ucal_getMillis(cal, &errorCode);
472 if(millis != icuDate) {
473 /* Print days not millis to stay within printf() range. */
474 log_err("utmscale_toInt64(ticks[%d], ICU4C)=%dd != %dd=ucal_getMillis(%04d-%02d-%02d)\n",
475 (int)i, (int)(millis/dayMillis), (int)(icuDate/dayMillis), (int)dt->year, (int)dt->month, (int)dt->day);
476 }
477
478 /* Test conversion from ICU time to .Net/Universal time. */
479 ticks = utmscale_fromInt64((int64_t)icuDate, UDTS_ICU4C_TIME, &errorCode);
480 if(ticks != dt->ticks) {
481 /* Print days not ticks to stay within printf() range. */
482 log_err("utmscale_fromInt64(date[%d], ICU4C)=%dd != %dd=.Net System.DateTime(%04d-%02d-%02d).Ticks\n",
483 (int)i, (int)(ticks/dayTicks), (int)(dt->ticks/dayTicks), (int)dt->year, (int)dt->month, (int)dt->day);
484 }
485 }
486
487 ucal_close(cal);
488 }
489
490 #endif /* #if !UCONFIG_NO_FORMATTING */
491