Home | History | Annotate | Download | only in cintltst
      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 
     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  */
     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 < 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 
     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 
     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 
    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 
    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 
    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 
    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 
    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 
    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 
    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 
    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 
    318 static void TestAPI(void)
    319 {
    320     TestFromInt64();
    321     TestToInt64();
    322 }
    323 
    324 static void TestData(void)
    325 {
    326     TestEpochOffsets();
    327     TestFromLimits();
    328     TestToLimits();
    329 }
    330 
    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
    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