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