icuSources/test/cintltst/utmstest.c

   1 /*
   2  ****************************************************************************
   3  * Copyright (c) 1997-2010, International Business Machines Corporation and *
   4  * others. All Rights Reserved.                                             *
   5  ****************************************************************************
   6  */
   7
   8 #include "unicode/utypes.h"
   9
  10 #if !UCONFIG_NO_FORMATTING
  11
  12 #include "unicode/utmscale.h"
  13 #include "unicode/ucal.h"
  14
  15 #include "cintltst.h"
  16
  17 #include <stdlib.h>
  18 #include <time.h>
  19
  20 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
  21
  22 #define LOOP_COUNT 10000
  23
  24 static void TestAPI(void);
  25 static void TestData(void);
  26 static void TestMonkey(void);
  27 static void TestDotNet(void);
  28
  29 void addUtmsTest(TestNode** root);
  30
  31 void addUtmsTest(TestNode** root)
  32 {
  33     addTest(root, &TestAPI, "tsformat/utmstest/TestAPI");
  34     addTest(root, &TestData, "tsformat/utmstest/TestData");
  35     addTest(root, &TestMonkey, "tsformat/utmstest/TestMonkey");
  36     addTest(root, &TestDotNet, "tsformat/utmstest/TestDotNet");
  37 }
  38
  39 /**
  40  * Return a random int64_t where U_INT64_MIN <= ran <= U_INT64_MAX.
  41  */
  42 static uint64_t randomInt64(void)
  43 {
  44     int64_t ran = 0;
  45     int32_t i;
  46     static UBool initialized = FALSE;
  47
  48     if (!initialized) {
  49         srand((unsigned)time(NULL));
  50         initialized = TRUE;
  51     }
  52
  53     /* Assume rand has at least 12 bits of precision */
  54     for (i = 0; i < sizeof(ran); i += 1) {
  55         ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
  56     }
  57
  58     return ran;
  59 }
  60
  61 static int64_t ranInt;
  62 static int64_t ranMin;
  63 static int64_t ranMax;
  64
  65 static void initRandom(int64_t min, int64_t max)
  66 {
  67     uint64_t interval = max - min;
  68
  69     ranMin = min;
  70     ranMax = max;
  71     ranInt = 0;
  72
  73     /* Verify that we don't have a huge interval. */
  74     if (interval < (uint64_t)U_INT64_MAX) {
  75         ranInt = interval;
  76     }
  77 }
  78
  79 static int64_t randomInRange(void)
  80 {
  81     int64_t value;
  82
  83     if (ranInt != 0) {
  84         value = randomInt64() % ranInt;
  85
  86         if (value < 0) {
  87             value = -value;
  88         }
  89
  90         value += ranMin;
  91     } else {
  92         do {
  93             value = randomInt64();
  94         } while (value < ranMin || value > ranMax);
  95     }
  96
  97     return value;
  98 }
  99
 100 static void roundTripTest(int64_t value, UDateTimeScale scale)
 101 {
 102     UErrorCode status = U_ZERO_ERROR;
 103     int64_t rt = utmscale_toInt64(utmscale_fromInt64(value, scale, &status), scale, &status);
 104
 105     if (rt != value) {
 106         log_err("Round-trip error: time scale = %d, value = %lld, round-trip = %lld.\n", scale, value, rt);
 107     }
 108 }
 109
 110 static void toLimitTest(int64_t toLimit, int64_t fromLimit, UDateTimeScale scale)
 111 {
 112     UErrorCode status = U_ZERO_ERROR;
 113     int64_t result = utmscale_toInt64(toLimit, scale, &status);
 114
 115     if (result != fromLimit) {
 116         log_err("toLimit failure: scale = %d, toLimit = %lld , utmscale_toInt64(toLimit, scale, &status) = %lld, fromLimit = %lld.\n",
 117             scale, toLimit, result, fromLimit);
 118     }
 119 }
 120
 121 static void epochOffsetTest(int64_t epochOffset, int64_t units, UDateTimeScale scale)
 122 {
 123     UErrorCode status = U_ZERO_ERROR;
 124     int64_t universal = 0;
 125     int64_t universalEpoch = epochOffset * units;
 126     int64_t local = utmscale_toInt64(universalEpoch, scale, &status);
 127
 128     if (local != 0) {
 129         log_err("utmscale_toInt64(epochOffset, scale, &status): scale = %d epochOffset = %lld, result = %lld.\n", scale, epochOffset, local);
 130     }
 131
 132     local = utmscale_toInt64(0, scale, &status);
 133
 134     if (local != -epochOffset) {
 135         log_err("utmscale_toInt64(0, scale): scale = %d, result = %lld.\n", scale, local);
 136     }
 137
 138     universal = utmscale_fromInt64(-epochOffset, scale, &status);
 139
 140     if (universal != 0) {
 141         log_err("from(-epochOffest, scale): scale = %d, epochOffset = %lld, result = %lld.\n", scale, epochOffset, universal);
 142     }
 143
 144     universal = utmscale_fromInt64(0, scale, &status);
 145
 146     if (universal != universalEpoch) {
 147         log_err("utmscale_fromInt64(0, scale): scale = %d, result = %lld.\n", scale, universal);
 148     }
 149 }
 150
 151 static void TestEpochOffsets(void)
 152 {
 153     UErrorCode status = U_ZERO_ERROR;
 154     int32_t scale;
 155
 156     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 157         int64_t units       = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_UNITS_VALUE, &status);
 158         int64_t epochOffset = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_EPOCH_OFFSET_VALUE, &status);
 159
 160         epochOffsetTest(epochOffset, units, (UDateTimeScale)scale);
 161     }
 162 }
 163
 164 static void TestFromLimits(void)
 165 {
 166     UErrorCode status = U_ZERO_ERROR;
 167     int32_t scale;
 168
 169     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 170         int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
 171         int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
 172
 173         roundTripTest(fromMin, (UDateTimeScale)scale);
 174         roundTripTest(fromMax, (UDateTimeScale)scale);
 175     }
 176 }
 177
 178 static void TestToLimits(void)
 179 {
 180     UErrorCode status = U_ZERO_ERROR;
 181     int32_t scale;
 182
 183     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 184         int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
 185         int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
 186         int64_t toMin   = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
 187         int64_t toMax   = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
 188
 189         toLimitTest(toMin, fromMin, (UDateTimeScale)scale);
 190         toLimitTest(toMax, fromMax, (UDateTimeScale)scale);
 191     }
 192 }
 193
 194 static void TestFromInt64(void)
 195 {
 196     int32_t scale;
 197     int64_t result;
 198     UErrorCode status = U_ZERO_ERROR;
 199
 200     result = utmscale_fromInt64(0, -1, &status);
 201     if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 202         log_err("utmscale_fromInt64(0, -1, status) did not set status to U_ILLEGAL_ARGUMENT_ERROR.\n");
 203     }
 204
 205     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 206         int64_t fromMin, fromMax;
 207
 208         status = U_ZERO_ERROR;
 209         fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
 210         fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
 211
 212         status = U_ZERO_ERROR;
 213         result = utmscale_fromInt64(0, (UDateTimeScale)scale, &status);
 214         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 215             log_err("utmscale_fromInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 216         }
 217
 218         status = U_ZERO_ERROR;
 219         result = utmscale_fromInt64(fromMin, (UDateTimeScale)scale, &status);
 220         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 221             log_err("utmscale_fromInt64(fromMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 222         }
 223
 224         if (fromMin > U_INT64_MIN) {
 225             status = U_ZERO_ERROR;
 226             result = utmscale_fromInt64(fromMin - 1, (UDateTimeScale)scale, &status);
 227             if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 228                 log_err("utmscale_fromInt64(fromMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 229             }
 230         }
 231
 232         status = U_ZERO_ERROR;
 233         result = utmscale_fromInt64(fromMax, (UDateTimeScale)scale, &status);
 234         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 235             log_err("utmscale_fromInt64(fromMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 236         }
 237
 238         if (fromMax < U_INT64_MAX) {
 239             status = U_ZERO_ERROR;
 240             result = utmscale_fromInt64(fromMax + 1, (UDateTimeScale)scale, &status);
 241             if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 242                 log_err("utmscale_fromInt64(fromMax + 1, %d, &status) didn't generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 243             }
 244         }
 245     }
 246
 247     status = U_ZERO_ERROR;
 248     result = utmscale_fromInt64(0, UDTS_MAX_SCALE, &status);
 249     if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 250         log_err("utmscale_fromInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
 251     }
 252 }
 253
 254 static void TestToInt64(void)
 255 {
 256     int32_t scale;
 257     int64_t result;
 258     UErrorCode status = U_ZERO_ERROR;
 259
 260     result = utmscale_toInt64(0, -1, &status);
 261     if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 262         log_err("utmscale_toInt64(0, -1, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
 263     }
 264
 265     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 266         int64_t toMin, toMax;
 267
 268         status = U_ZERO_ERROR;
 269         toMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
 270         toMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
 271
 272         status = U_ZERO_ERROR;
 273         result = utmscale_toInt64(0, (UDateTimeScale)scale, &status);
 274         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 275             log_err("utmscale_toInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 276         }
 277
 278         status = U_ZERO_ERROR;
 279         result = utmscale_toInt64(toMin, (UDateTimeScale)scale, &status);
 280         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 281             log_err("utmscale_toInt64(toMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 282         }
 283
 284         if (toMin > U_INT64_MIN) {
 285             status = U_ZERO_ERROR;
 286             result = utmscale_toInt64(toMin - 1, (UDateTimeScale)scale, &status);
 287             if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 288                 log_err("utmscale_toInt64(toMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 289             }
 290         }
 291
 292
 293         status = U_ZERO_ERROR;
 294         result = utmscale_toInt64(toMax, (UDateTimeScale)scale, &status);
 295         if (status == U_ILLEGAL_ARGUMENT_ERROR) {
 296             log_err("utmscale_toInt64(toMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 297         }
 298
 299         if (toMax < U_INT64_MAX) {
 300             status = U_ZERO_ERROR;
 301             result = utmscale_toInt64(toMax + 1, (UDateTimeScale)scale, &status);
 302             if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 303                 log_err("utmscale_toInt64(toMax + 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
 304             }
 305         }
 306     }
 307
 308     status = U_ZERO_ERROR;
 309     result = utmscale_toInt64(0, UDTS_MAX_SCALE, &status);
 310     if (status != U_ILLEGAL_ARGUMENT_ERROR) {
 311         log_err("utmscale_toInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
 312     }
 313 }
 314
 315 static void TestAPI(void)
 316 {
 317     TestFromInt64();
 318     TestToInt64();
 319 }
 320
 321 static void TestData(void)
 322 {
 323     TestEpochOffsets();
 324     TestFromLimits();
 325     TestToLimits();
 326 }
 327
 328 static void TestMonkey(void)
 329 {
 330     int32_t scale;
 331     UErrorCode status = U_ZERO_ERROR;
 332
 333     for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
 334         int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
 335         int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
 336         int32_t i;
 337
 338         initRandom(fromMin, fromMax);
 339
 340         for (i = 0; i < LOOP_COUNT; i += 1) {
 341             int64_t value = randomInRange();
 342
 343             roundTripTest(value, (UDateTimeScale)scale);
 344         }
 345     }
 346 }
 347
 348 struct DotNetDateTimeTicks {
 349     int32_t year;
 350     int32_t month;
 351     int32_t day;
 352     int64_t ticks;
 353 };
 354 typedef struct DotNetDateTimeTicks DotNetDateTimeTicks;
 355
 356 /*
 357  * This data was generated by C++.Net code like
 358  * Console::WriteLine(L"    {{ {0}, 1, 1, INT64_C({1}) }},", year, DateTime(year, 1, 1).Ticks);
 359  * with the DateTime constructor taking int values for year, month, and date.
 360  */
 361 static const DotNetDateTimeTicks dotNetDateTimeTicks[]={
 362     /* year, month, day, ticks */
 363     { 100, 1, 1, INT64_C(31241376000000000) },
 364     { 100, 3, 1, INT64_C(31292352000000000) },
 365     { 200, 1, 1, INT64_C(62798112000000000) },
 366     { 200, 3, 1, INT64_C(62849088000000000) },
 367     { 300, 1, 1, INT64_C(94354848000000000) },
 368     { 300, 3, 1, INT64_C(94405824000000000) },
 369     { 400, 1, 1, INT64_C(125911584000000000) },
 370     { 400, 3, 1, INT64_C(125963424000000000) },
 371     { 500, 1, 1, INT64_C(157469184000000000) },
 372     { 500, 3, 1, INT64_C(157520160000000000) },
 373     { 600, 1, 1, INT64_C(189025920000000000) },
 374     { 600, 3, 1, INT64_C(189076896000000000) },
 375     { 700, 1, 1, INT64_C(220582656000000000) },
 376     { 700, 3, 1, INT64_C(220633632000000000) },
 377     { 800, 1, 1, INT64_C(252139392000000000) },
 378     { 800, 3, 1, INT64_C(252191232000000000) },
 379     { 900, 1, 1, INT64_C(283696992000000000) },
 380     { 900, 3, 1, INT64_C(283747968000000000) },
 381     { 1000, 1, 1, INT64_C(315253728000000000) },
 382     { 1000, 3, 1, INT64_C(315304704000000000) },
 383     { 1100, 1, 1, INT64_C(346810464000000000) },
 384     { 1100, 3, 1, INT64_C(346861440000000000) },
 385     { 1200, 1, 1, INT64_C(378367200000000000) },
 386     { 1200, 3, 1, INT64_C(378419040000000000) },
 387     { 1300, 1, 1, INT64_C(409924800000000000) },
 388     { 1300, 3, 1, INT64_C(409975776000000000) },
 389     { 1400, 1, 1, INT64_C(441481536000000000) },
 390     { 1400, 3, 1, INT64_C(441532512000000000) },
 391     { 1500, 1, 1, INT64_C(473038272000000000) },
 392     { 1500, 3, 1, INT64_C(473089248000000000) },
 393     { 1600, 1, 1, INT64_C(504595008000000000) },
 394     { 1600, 3, 1, INT64_C(504646848000000000) },
 395     { 1700, 1, 1, INT64_C(536152608000000000) },
 396     { 1700, 3, 1, INT64_C(536203584000000000) },
 397     { 1800, 1, 1, INT64_C(567709344000000000) },
 398     { 1800, 3, 1, INT64_C(567760320000000000) },
 399     { 1900, 1, 1, INT64_C(599266080000000000) },
 400     { 1900, 3, 1, INT64_C(599317056000000000) },
 401     { 2000, 1, 1, INT64_C(630822816000000000) },
 402     { 2000, 3, 1, INT64_C(630874656000000000) },
 403     { 2100, 1, 1, INT64_C(662380416000000000) },
 404     { 2100, 3, 1, INT64_C(662431392000000000) },
 405     { 2200, 1, 1, INT64_C(693937152000000000) },
 406     { 2200, 3, 1, INT64_C(693988128000000000) },
 407     { 2300, 1, 1, INT64_C(725493888000000000) },
 408     { 2300, 3, 1, INT64_C(725544864000000000) },
 409     { 2400, 1, 1, INT64_C(757050624000000000) },
 410     { 2400, 3, 1, INT64_C(757102464000000000) },
 411     { 2500, 1, 1, INT64_C(788608224000000000) },
 412     { 2500, 3, 1, INT64_C(788659200000000000) },
 413     { 2600, 1, 1, INT64_C(820164960000000000) },
 414     { 2600, 3, 1, INT64_C(820215936000000000) },
 415     { 2700, 1, 1, INT64_C(851721696000000000) },
 416     { 2700, 3, 1, INT64_C(851772672000000000) },
 417     { 2800, 1, 1, INT64_C(883278432000000000) },
 418     { 2800, 3, 1, INT64_C(883330272000000000) },
 419     { 2900, 1, 1, INT64_C(914836032000000000) },
 420     { 2900, 3, 1, INT64_C(914887008000000000) },
 421     { 3000, 1, 1, INT64_C(946392768000000000) },
 422     { 3000, 3, 1, INT64_C(946443744000000000) },
 423     { 1, 1, 1, INT64_C(0) },
 424     { 1601, 1, 1, INT64_C(504911232000000000) },
 425     { 1899, 12, 31, INT64_C(599265216000000000) },
 426     { 1904, 1, 1, INT64_C(600527520000000000) },
 427     { 1970, 1, 1, INT64_C(621355968000000000) },
 428     { 2001, 1, 1, INT64_C(631139040000000000) },
 429     { 9900, 3, 1, INT64_C(3123873216000000000) },
 430     { 9999, 12, 31, INT64_C(3155378112000000000) }
 431 };
 432
 433 /*
 434  * ICU's Universal Time Scale is designed to be tick-for-tick compatible with
 435  * .Net System.DateTime. Verify that this is so for the
 436  * .Net-supported date range (years 1-9999 AD).
 437  * This requires a proleptic Gregorian calendar because that's what .Net uses.
 438  * Proleptic: No Julian/Gregorian switchover, or a switchover before
 439  * any date that we test, that is, before 0001 AD.
 440  */
 441 static void
 442 TestDotNet() {
 443     static const UChar utc[] = { 0x45, 0x74, 0x63, 0x2f, 0x47, 0x4d, 0x54, 0 }; /* "Etc/GMT" */
 444     const int32_t dayMillis = 86400 * INT64_C(1000);    /* 1 day = 86400 seconds */
 445     const int64_t dayTicks = 86400 * INT64_C(10000000);
 446     const DotNetDateTimeTicks *dt;
 447     UCalendar *cal;
 448     UErrorCode errorCode;
 449     UDate icuDate;
 450     int64_t ticks, millis;
 451     int32_t i;
 452
 453     /* Open a proleptic Gregorian calendar. */
 454     errorCode = U_ZERO_ERROR;
 455     cal = ucal_open(utc, -1, "", UCAL_GREGORIAN, &errorCode);
 456     ucal_setGregorianChange(cal, -1000000 * (dayMillis * (UDate)1), &errorCode);
 457     if(U_FAILURE(errorCode)) {
 458         log_data_err("ucal_open(UTC/proleptic Gregorian) failed: %s - (Are you missing data?)\n", u_errorName(errorCode));
 459         ucal_close(cal);
 460         return;
 461     }
 462     for(i = 0; i < LENGTHOF(dotNetDateTimeTicks); ++i) {
 463         /* Test conversion from .Net/Universal time to ICU time. */
 464         dt = dotNetDateTimeTicks + i;
 465         millis = utmscale_toInt64(dt->ticks, UDTS_ICU4C_TIME, &errorCode);
 466         ucal_clear(cal);
 467         ucal_setDate(cal, dt->year, dt->month - 1, dt->day, &errorCode); /* Java & ICU use January = month 0. */
 468         icuDate = ucal_getMillis(cal, &errorCode);
 469         if(millis != icuDate) {
 470             /* Print days not millis to stay within printf() range. */
 471             log_err("utmscale_toInt64(ticks[%d], ICU4C)=%dd != %dd=ucal_getMillis(%04d-%02d-%02d)\n",
 472                     (int)i, (int)(millis/dayMillis), (int)(icuDate/dayMillis), (int)dt->year, (int)dt->month, (int)dt->day);
 473         }
 474
 475         /* Test conversion from ICU time to .Net/Universal time. */
 476         ticks = utmscale_fromInt64((int64_t)icuDate, UDTS_ICU4C_TIME, &errorCode);
 477         if(ticks != dt->ticks) {
 478             /* Print days not ticks to stay within printf() range. */
 479             log_err("utmscale_fromInt64(date[%d], ICU4C)=%dd != %dd=.Net System.DateTime(%04d-%02d-%02d).Ticks\n",
 480                     (int)i, (int)(ticks/dayTicks), (int)(dt->ticks/dayTicks), (int)dt->year, (int)dt->month, (int)dt->day);
 481         }
 482     }
 483
 484     ucal_close(cal);
 485 }
 486
 487 #endif /* #if !UCONFIG_NO_FORMATTING */