Check in the pristine copy of ICU 4.6...

icu46/source/test/cintltst/utmstest.c

+/*
+ ****************************************************************************
+ * Copyright (c) 1997-2010, International Business Machines Corporation and *
+ * others. All Rights Reserved.                                             *
+ ****************************************************************************
+ */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/utmscale.h"
+#include "unicode/ucal.h"
+
+#include "cintltst.h"
+
+#include <stdlib.h>
+#include <time.h>
+
+#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
+
+#define LOOP_COUNT 10000
+
+static void TestAPI(void);
+static void TestData(void);
+static void TestMonkey(void);
+static void TestDotNet(void);
+
+void addUtmsTest(TestNode** root);
+
+void addUtmsTest(TestNode** root)
+{
+    addTest(root, &TestAPI, "tsformat/utmstest/TestAPI");
+    addTest(root, &TestData, "tsformat/utmstest/TestData");
+    addTest(root, &TestMonkey, "tsformat/utmstest/TestMonkey");
+    addTest(root, &TestDotNet, "tsformat/utmstest/TestDotNet");
+}
+
+/**
+ * Return a random int64_t where U_INT64_MIN <= ran <= U_INT64_MAX.
+ */
+static uint64_t randomInt64(void)
+{
+    int64_t ran = 0;
+    int32_t i;
+    static UBool initialized = FALSE;
+
+    if (!initialized) {
+        srand((unsigned)time(NULL));
+        initialized = TRUE;
+    }
+
+    /* Assume rand has at least 12 bits of precision */
+    for (i = 0; i < sizeof(ran); i += 1) {
+        ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
+    }
+
+    return ran;
+}
+
+static int64_t ranInt;
+static int64_t ranMin;
+static int64_t ranMax;
+
+static void initRandom(int64_t min, int64_t max)
+{
+    uint64_t interval = max - min;
+
+    ranMin = min;
+    ranMax = max;
+    ranInt = 0;
+
+    /* Verify that we don't have a huge interval. */
+    if (interval < (uint64_t)U_INT64_MAX) {
+        ranInt = interval;
+    }
+}
+
+static int64_t randomInRange(void)
+{
+    int64_t value;
+
+    if (ranInt != 0) {
+        value = randomInt64() % ranInt;
+
+        if (value < 0) {
+            value = -value;
+        }
+
+        value += ranMin;
+    } else {
+        do {
+            value = randomInt64();
+        } while (value < ranMin || value > ranMax);
+    }
+
+    return value;
+}
+
+static void roundTripTest(int64_t value, UDateTimeScale scale)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int64_t rt = utmscale_toInt64(utmscale_fromInt64(value, scale, &status), scale, &status);
+
+    if (rt != value) {
+        log_err("Round-trip error: time scale = %d, value = %lld, round-trip = %lld.\n", scale, value, rt);
+    }
+}
+
+static void toLimitTest(int64_t toLimit, int64_t fromLimit, UDateTimeScale scale)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int64_t result = utmscale_toInt64(toLimit, scale, &status);
+
+    if (result != fromLimit) {
+        log_err("toLimit failure: scale = %d, toLimit = %lld , utmscale_toInt64(toLimit, scale, &status) = %lld, fromLimit = %lld.\n",
+            scale, toLimit, result, fromLimit);
+    }
+}
+
+static void epochOffsetTest(int64_t epochOffset, int64_t units, UDateTimeScale scale)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int64_t universal = 0;
+    int64_t universalEpoch = epochOffset * units;
+    int64_t local = utmscale_toInt64(universalEpoch, scale, &status);
+
+    if (local != 0) {
+        log_err("utmscale_toInt64(epochOffset, scale, &status): scale = %d epochOffset = %lld, result = %lld.\n", scale, epochOffset, local);
+    }
+
+    local = utmscale_toInt64(0, scale, &status);
+
+    if (local != -epochOffset) {
+        log_err("utmscale_toInt64(0, scale): scale = %d, result = %lld.\n", scale, local);
+    }
+
+    universal = utmscale_fromInt64(-epochOffset, scale, &status);
+
+    if (universal != 0) {
+        log_err("from(-epochOffest, scale): scale = %d, epochOffset = %lld, result = %lld.\n", scale, epochOffset, universal);
+    }
+
+    universal = utmscale_fromInt64(0, scale, &status);
+
+    if (universal != universalEpoch) {
+        log_err("utmscale_fromInt64(0, scale): scale = %d, result = %lld.\n", scale, universal);
+    }
+}
+
+static void TestEpochOffsets(void)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t scale;
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t units       = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_UNITS_VALUE, &status);
+        int64_t epochOffset = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_EPOCH_OFFSET_VALUE, &status);
+
+        epochOffsetTest(epochOffset, units, (UDateTimeScale)scale);
+    }
+}
+
+static void TestFromLimits(void)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t scale;
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
+        int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
+
+        roundTripTest(fromMin, (UDateTimeScale)scale);
+        roundTripTest(fromMax, (UDateTimeScale)scale);
+    }
+}
+
+static void TestToLimits(void)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t scale;
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
+        int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
+        int64_t toMin   = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
+        int64_t toMax   = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
+
+        toLimitTest(toMin, fromMin, (UDateTimeScale)scale);
+        toLimitTest(toMax, fromMax, (UDateTimeScale)scale);
+    }
+}
+
+static void TestFromInt64(void)
+{
+    int32_t scale;
+    int64_t result;
+    UErrorCode status = U_ZERO_ERROR;
+
+    result = utmscale_fromInt64(0, -1, &status);
+    if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("utmscale_fromInt64(0, -1, status) did not set status to U_ILLEGAL_ARGUMENT_ERROR.\n");
+    }
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t fromMin, fromMax;
+
+        status = U_ZERO_ERROR;
+        fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
+        fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
+
+        status = U_ZERO_ERROR;
+        result = utmscale_fromInt64(0, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_fromInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        status = U_ZERO_ERROR;
+        result = utmscale_fromInt64(fromMin, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_fromInt64(fromMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        if (fromMin > U_INT64_MIN) {
+            status = U_ZERO_ERROR;
+            result = utmscale_fromInt64(fromMin - 1, (UDateTimeScale)scale, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+                log_err("utmscale_fromInt64(fromMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+            }
+        }
+
+        status = U_ZERO_ERROR;
+        result = utmscale_fromInt64(fromMax, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_fromInt64(fromMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        if (fromMax < U_INT64_MAX) {
+            status = U_ZERO_ERROR;
+            result = utmscale_fromInt64(fromMax + 1, (UDateTimeScale)scale, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+                log_err("utmscale_fromInt64(fromMax + 1, %d, &status) didn't generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+            }
+        }
+    }
+
+    status = U_ZERO_ERROR;
+    result = utmscale_fromInt64(0, UDTS_MAX_SCALE, &status);
+    if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("utmscale_fromInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
+    }
+}
+
+static void TestToInt64(void)
+{
+    int32_t scale;
+    int64_t result;
+    UErrorCode status = U_ZERO_ERROR;
+
+    result = utmscale_toInt64(0, -1, &status);
+    if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("utmscale_toInt64(0, -1, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
+    }
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t toMin, toMax;
+
+        status = U_ZERO_ERROR;
+        toMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MIN_VALUE, &status);
+        toMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_TO_MAX_VALUE, &status);
+
+        status = U_ZERO_ERROR;
+        result = utmscale_toInt64(0, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_toInt64(0, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        status = U_ZERO_ERROR;
+        result = utmscale_toInt64(toMin, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_toInt64(toMin, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        if (toMin > U_INT64_MIN) {
+            status = U_ZERO_ERROR;
+            result = utmscale_toInt64(toMin - 1, (UDateTimeScale)scale, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+                log_err("utmscale_toInt64(toMin - 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+            }
+        }
+
+
+        status = U_ZERO_ERROR;
+        result = utmscale_toInt64(toMax, (UDateTimeScale)scale, &status);
+        if (status == U_ILLEGAL_ARGUMENT_ERROR) {
+            log_err("utmscale_toInt64(toMax, %d, &status) generated U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+        }
+
+        if (toMax < U_INT64_MAX) {
+            status = U_ZERO_ERROR;
+            result = utmscale_toInt64(toMax + 1, (UDateTimeScale)scale, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+                log_err("utmscale_toInt64(toMax + 1, %d, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n", scale);
+            }
+        }
+    }
+
+    status = U_ZERO_ERROR;
+    result = utmscale_toInt64(0, UDTS_MAX_SCALE, &status);
+    if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("utmscale_toInt64(0, UDTS_MAX_SCALE, &status) did not generate U_ILLEGAL_ARGUMENT_ERROR.\n");
+    }
+}
+
+static void TestAPI(void)
+{
+    TestFromInt64();
+    TestToInt64();
+}
+
+static void TestData(void)
+{
+    TestEpochOffsets();
+    TestFromLimits();
+    TestToLimits();
+}
+
+static void TestMonkey(void)
+{
+    int32_t scale;
+    UErrorCode status = U_ZERO_ERROR;
+
+    for (scale = 0; scale < UDTS_MAX_SCALE; scale += 1) {
+        int64_t fromMin = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MIN_VALUE, &status);
+        int64_t fromMax = utmscale_getTimeScaleValue((UDateTimeScale)scale, UTSV_FROM_MAX_VALUE, &status);
+        int32_t i;
+
+        initRandom(fromMin, fromMax);
+
+        for (i = 0; i < LOOP_COUNT; i += 1) {
+            int64_t value = randomInRange();
+
+            roundTripTest(value, (UDateTimeScale)scale);
+        }
+    }
+}
+
+struct DotNetDateTimeTicks {
+    int32_t year;
+    int32_t month;
+    int32_t day;
+    int64_t ticks;
+};
+typedef struct DotNetDateTimeTicks DotNetDateTimeTicks;
+
+/*
+ * This data was generated by C++.Net code like
+ * Console::WriteLine(L"    {{ {0}, 1, 1, INT64_C({1}) }},", year, DateTime(year, 1, 1).Ticks);
+ * with the DateTime constructor taking int values for year, month, and date.
+ */
+static const DotNetDateTimeTicks dotNetDateTimeTicks[]={
+    /* year, month, day, ticks */
+    { 100, 1, 1, INT64_C(31241376000000000) },
+    { 100, 3, 1, INT64_C(31292352000000000) },
+    { 200, 1, 1, INT64_C(62798112000000000) },
+    { 200, 3, 1, INT64_C(62849088000000000) },
+    { 300, 1, 1, INT64_C(94354848000000000) },
+    { 300, 3, 1, INT64_C(94405824000000000) },
+    { 400, 1, 1, INT64_C(125911584000000000) },
+    { 400, 3, 1, INT64_C(125963424000000000) },
+    { 500, 1, 1, INT64_C(157469184000000000) },
+    { 500, 3, 1, INT64_C(157520160000000000) },
+    { 600, 1, 1, INT64_C(189025920000000000) },
+    { 600, 3, 1, INT64_C(189076896000000000) },
+    { 700, 1, 1, INT64_C(220582656000000000) },
+    { 700, 3, 1, INT64_C(220633632000000000) },
+    { 800, 1, 1, INT64_C(252139392000000000) },
+    { 800, 3, 1, INT64_C(252191232000000000) },
+    { 900, 1, 1, INT64_C(283696992000000000) },
+    { 900, 3, 1, INT64_C(283747968000000000) },
+    { 1000, 1, 1, INT64_C(315253728000000000) },
+    { 1000, 3, 1, INT64_C(315304704000000000) },
+    { 1100, 1, 1, INT64_C(346810464000000000) },
+    { 1100, 3, 1, INT64_C(346861440000000000) },
+    { 1200, 1, 1, INT64_C(378367200000000000) },
+    { 1200, 3, 1, INT64_C(378419040000000000) },
+    { 1300, 1, 1, INT64_C(409924800000000000) },
+    { 1300, 3, 1, INT64_C(409975776000000000) },
+    { 1400, 1, 1, INT64_C(441481536000000000) },
+    { 1400, 3, 1, INT64_C(441532512000000000) },
+    { 1500, 1, 1, INT64_C(473038272000000000) },
+    { 1500, 3, 1, INT64_C(473089248000000000) },
+    { 1600, 1, 1, INT64_C(504595008000000000) },
+    { 1600, 3, 1, INT64_C(504646848000000000) },
+    { 1700, 1, 1, INT64_C(536152608000000000) },
+    { 1700, 3, 1, INT64_C(536203584000000000) },
+    { 1800, 1, 1, INT64_C(567709344000000000) },
+    { 1800, 3, 1, INT64_C(567760320000000000) },
+    { 1900, 1, 1, INT64_C(599266080000000000) },
+    { 1900, 3, 1, INT64_C(599317056000000000) },
+    { 2000, 1, 1, INT64_C(630822816000000000) },
+    { 2000, 3, 1, INT64_C(630874656000000000) },
+    { 2100, 1, 1, INT64_C(662380416000000000) },
+    { 2100, 3, 1, INT64_C(662431392000000000) },
+    { 2200, 1, 1, INT64_C(693937152000000000) },
+    { 2200, 3, 1, INT64_C(693988128000000000) },
+    { 2300, 1, 1, INT64_C(725493888000000000) },
+    { 2300, 3, 1, INT64_C(725544864000000000) },
+    { 2400, 1, 1, INT64_C(757050624000000000) },
+    { 2400, 3, 1, INT64_C(757102464000000000) },
+    { 2500, 1, 1, INT64_C(788608224000000000) },
+    { 2500, 3, 1, INT64_C(788659200000000000) },
+    { 2600, 1, 1, INT64_C(820164960000000000) },
+    { 2600, 3, 1, INT64_C(820215936000000000) },
+    { 2700, 1, 1, INT64_C(851721696000000000) },
+    { 2700, 3, 1, INT64_C(851772672000000000) },
+    { 2800, 1, 1, INT64_C(883278432000000000) },
+    { 2800, 3, 1, INT64_C(883330272000000000) },
+    { 2900, 1, 1, INT64_C(914836032000000000) },
+    { 2900, 3, 1, INT64_C(914887008000000000) },
+    { 3000, 1, 1, INT64_C(946392768000000000) },
+    { 3000, 3, 1, INT64_C(946443744000000000) },
+    { 1, 1, 1, INT64_C(0) },
+    { 1601, 1, 1, INT64_C(504911232000000000) },
+    { 1899, 12, 31, INT64_C(599265216000000000) },
+    { 1904, 1, 1, INT64_C(600527520000000000) },
+    { 1970, 1, 1, INT64_C(621355968000000000) },
+    { 2001, 1, 1, INT64_C(631139040000000000) },
+    { 9900, 3, 1, INT64_C(3123873216000000000) },
+    { 9999, 12, 31, INT64_C(3155378112000000000) }
+};
+
+/*
+ * ICU's Universal Time Scale is designed to be tick-for-tick compatible with
+ * .Net System.DateTime. Verify that this is so for the
+ * .Net-supported date range (years 1-9999 AD).
+ * This requires a proleptic Gregorian calendar because that's what .Net uses.
+ * Proleptic: No Julian/Gregorian switchover, or a switchover before
+ * any date that we test, that is, before 0001 AD.
+ */
+static void
+TestDotNet() {
+    static const UChar utc[] = { 0x45, 0x74, 0x63, 0x2f, 0x47, 0x4d, 0x54, 0 }; /* "Etc/GMT" */
+    const int32_t dayMillis = 86400 * INT64_C(1000);    /* 1 day = 86400 seconds */
+    const int64_t dayTicks = 86400 * INT64_C(10000000);
+    const DotNetDateTimeTicks *dt;
+    UCalendar *cal;
+    UErrorCode errorCode;
+    UDate icuDate;
+    int64_t ticks, millis;
+    int32_t i;
+
+    /* Open a proleptic Gregorian calendar. */
+    errorCode = U_ZERO_ERROR;
+    cal = ucal_open(utc, -1, "", UCAL_GREGORIAN, &errorCode);
+    ucal_setGregorianChange(cal, -1000000 * (dayMillis * (UDate)1), &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_data_err("ucal_open(UTC/proleptic Gregorian) failed: %s - (Are you missing data?)\n", u_errorName(errorCode));
+        ucal_close(cal);
+        return;
+    }
+    for(i = 0; i < LENGTHOF(dotNetDateTimeTicks); ++i) {
+        /* Test conversion from .Net/Universal time to ICU time. */
+        dt = dotNetDateTimeTicks + i;
+        millis = utmscale_toInt64(dt->ticks, UDTS_ICU4C_TIME, &errorCode);
+        ucal_clear(cal);
+        ucal_setDate(cal, dt->year, dt->month - 1, dt->day, &errorCode); /* Java & ICU use January = month 0. */
+        icuDate = ucal_getMillis(cal, &errorCode);
+        if(millis != icuDate) {
+            /* Print days not millis to stay within printf() range. */
+            log_err("utmscale_toInt64(ticks[%d], ICU4C)=%dd != %dd=ucal_getMillis(%04d-%02d-%02d)\n",
+                    (int)i, (int)(millis/dayMillis), (int)(icuDate/dayMillis), (int)dt->year, (int)dt->month, (int)dt->day);
+        }
+
+        /* Test conversion from ICU time to .Net/Universal time. */
+        ticks = utmscale_fromInt64((int64_t)icuDate, UDTS_ICU4C_TIME, &errorCode);
+        if(ticks != dt->ticks) {
+            /* Print days not ticks to stay within printf() range. */
+            log_err("utmscale_fromInt64(date[%d], ICU4C)=%dd != %dd=.Net System.DateTime(%04d-%02d-%02d).Ticks\n",
+                    (int)i, (int)(ticks/dayTicks), (int)(dt->ticks/dayTicks), (int)dt->year, (int)dt->month, (int)dt->day);
+        }
+    }
+
+    ucal_close(cal);
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */