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      1 /*
      2 ********************************************************************************
      3 *   Copyright (C) 2005-2009, International Business Machines
      4 *   Corporation and others.  All Rights Reserved.
      5 ********************************************************************************
      6 *
      7 * File WINNMTST.CPP
      8 *
      9 ********************************************************************************
     10 */
     11 
     12 #include "unicode/utypes.h"
     13 
     14 #ifdef U_WINDOWS
     15 
     16 #if !UCONFIG_NO_FORMATTING
     17 
     18 #include "unicode/format.h"
     19 #include "unicode/numfmt.h"
     20 #include "unicode/locid.h"
     21 #include "unicode/ustring.h"
     22 #include "unicode/testlog.h"
     23 #include "unicode/utmscale.h"
     24 
     25 #include "winnmfmt.h"
     26 #include "winutil.h"
     27 #include "winnmtst.h"
     28 
     29 #include "cmemory.h"
     30 #include "cstring.h"
     31 #include "locmap.h"
     32 #include "wintz.h"
     33 #include "uassert.h"
     34 
     35 #   define WIN32_LEAN_AND_MEAN
     36 #   define VC_EXTRALEAN
     37 #   define NOUSER
     38 #   define NOSERVICE
     39 #   define NOIME
     40 #   define NOMCX
     41 #   include <windows.h>
     42 #   include <stdio.h>
     43 #   include <time.h>
     44 #   include <float.h>
     45 #   include <locale.h>
     46 
     47 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
     48 #define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
     49 #define DELETE_ARRAY(array) uprv_free((void *) (array))
     50 
     51 #define STACK_BUFFER_SIZE 32
     52 
     53 #define LOOP_COUNT 1000
     54 
     55 static UBool initialized = FALSE;
     56 
     57 /**
     58  * Return a random int64_t where U_INT64_MIN <= ran <= U_INT64_MAX.
     59  */
     60 static uint64_t randomInt64(void)
     61 {
     62     int64_t ran = 0;
     63     int32_t i;
     64 
     65     if (!initialized) {
     66         srand((unsigned)time(NULL));
     67         initialized = TRUE;
     68     }
     69 
     70     /* Assume rand has at least 12 bits of precision */
     71     for (i = 0; i < sizeof(ran); i += 1) {
     72         ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
     73     }
     74 
     75     return ran;
     76 }
     77 
     78 /**
     79  * Return a random double where U_DOUBLE_MIN <= ran <= U_DOUBLE_MAX.
     80  */
     81 static double randomDouble(void)
     82 {
     83     double ran = 0;
     84 
     85     if (!initialized) {
     86         srand((unsigned)time(NULL));
     87         initialized = TRUE;
     88     }
     89 #if 0
     90     int32_t i;
     91     do {
     92         /* Assume rand has at least 12 bits of precision */
     93         for (i = 0; i < sizeof(ran); i += 1) {
     94             ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
     95         }
     96     } while (_isnan(ran));
     97 #else
     98 	int64_t numerator = randomInt64();
     99 	int64_t denomenator;
    100     do {
    101         denomenator = randomInt64();
    102     }
    103     while (denomenator == 0);
    104 
    105 	ran = (double)numerator / (double)denomenator;
    106 #endif
    107 
    108     return ran;
    109 }
    110 
    111 /**
    112  * Return a random int32_t where U_INT32_MIN <= ran <= U_INT32_MAX.
    113  */
    114 static uint32_t randomInt32(void)
    115 {
    116     int32_t ran = 0;
    117     int32_t i;
    118 
    119     if (!initialized) {
    120         srand((unsigned)time(NULL));
    121         initialized = TRUE;
    122     }
    123 
    124     /* Assume rand has at least 12 bits of precision */
    125     for (i = 0; i < sizeof(ran); i += 1) {
    126         ((char*)&ran)[i] = (char)((rand() & 0x0FF0) >> 4);
    127     }
    128 
    129     return ran;
    130 }
    131 
    132 static UnicodeString &getWindowsFormat(int32_t lcid, UBool currency, UnicodeString &appendTo, const wchar_t *fmt, ...)
    133 {
    134     wchar_t nStackBuffer[STACK_BUFFER_SIZE];
    135     wchar_t *nBuffer = nStackBuffer;
    136     va_list args;
    137     int result;
    138 
    139     nBuffer[0] = 0x0000;
    140 
    141     /* Due to the arguments causing a result to be <= 23 characters (+2 for NULL and minus),
    142     we don't need to reallocate the buffer. */
    143     va_start(args, fmt);
    144     result = _vsnwprintf(nBuffer, STACK_BUFFER_SIZE, fmt, args);
    145     va_end(args);
    146 
    147     /* Just to make sure of the above statement, we add this assert */
    148     U_ASSERT(result >=0);
    149     // The following code is not used because _vscwprintf isn't available on MinGW at the moment.
    150     /*if (result < 0) {
    151         int newLength;
    152 
    153         va_start(args, fmt);
    154         newLength = _vscwprintf(fmt, args);
    155         va_end(args);
    156 
    157         nBuffer = NEW_ARRAY(UChar, newLength + 1);
    158 
    159         va_start(args, fmt);
    160         result = _vsnwprintf(nBuffer, newLength + 1, fmt, args);
    161         va_end(args);
    162     }*/
    163 
    164 
    165     // vswprintf is sensitive to the locale set by setlocale. For some locales
    166     // it doesn't use "." as the decimal separator, which is what GetNumberFormatW
    167     // and GetCurrencyFormatW both expect to see.
    168     //
    169     // To fix this, we scan over the string and replace the first non-digits, except
    170     // for a leading "-", with a "."
    171     //
    172     // Note: (nBuffer[0] == L'-') will evaluate to 1 if there is a leading '-' in the
    173     // number, and 0 otherwise.
    174     for (wchar_t *p = &nBuffer[nBuffer[0] == L'-']; *p != L'\0'; p += 1) {
    175         if (*p < L'0' || *p > L'9') {
    176             *p = L'.';
    177             break;
    178         }
    179     }
    180 
    181     wchar_t stackBuffer[STACK_BUFFER_SIZE];
    182     wchar_t *buffer = stackBuffer;
    183 
    184     buffer[0] = 0x0000;
    185 
    186     if (currency) {
    187         result = GetCurrencyFormatW(lcid, 0, nBuffer, NULL, buffer, STACK_BUFFER_SIZE);
    188 
    189         if (result == 0) {
    190             DWORD lastError = GetLastError();
    191 
    192             if (lastError == ERROR_INSUFFICIENT_BUFFER) {
    193                 int newLength = GetCurrencyFormatW(lcid, 0, nBuffer, NULL, NULL, 0);
    194 
    195                 buffer = NEW_ARRAY(UChar, newLength);
    196                 buffer[0] = 0x0000;
    197                 GetCurrencyFormatW(lcid, 0, nBuffer, NULL, buffer, newLength);
    198             }
    199         }
    200     } else {
    201         result = GetNumberFormatW(lcid, 0, nBuffer, NULL, buffer, STACK_BUFFER_SIZE);
    202 
    203         if (result == 0) {
    204             DWORD lastError = GetLastError();
    205 
    206             if (lastError == ERROR_INSUFFICIENT_BUFFER) {
    207                 int newLength = GetNumberFormatW(lcid, 0, nBuffer, NULL, NULL, 0);
    208 
    209                 buffer = NEW_ARRAY(UChar, newLength);
    210                 buffer[0] = 0x0000;
    211                 GetNumberFormatW(lcid, 0, nBuffer, NULL, buffer, newLength);
    212             }
    213         }
    214     }
    215 
    216     appendTo.append(buffer, (int32_t) wcslen(buffer));
    217 
    218     if (buffer != stackBuffer) {
    219         DELETE_ARRAY(buffer);
    220     }
    221 
    222     /*if (nBuffer != nStackBuffer) {
    223         DELETE_ARRAY(nBuffer);
    224     }*/
    225 
    226     return appendTo;
    227 }
    228 
    229 static void testLocale(const char *localeID, int32_t lcid, NumberFormat *wnf, UBool currency, TestLog *log)
    230 {
    231     for (int n = 0; n < LOOP_COUNT; n += 1) {
    232         UnicodeString u3Buffer, u6Buffer, udBuffer;
    233         UnicodeString w3Buffer, w6Buffer, wdBuffer;
    234         double d    = randomDouble();
    235         int32_t i32 = randomInt32();
    236         int64_t i64 = randomInt64();
    237 
    238         getWindowsFormat(lcid, currency, wdBuffer, L"%.16f", d);
    239 
    240         getWindowsFormat(lcid, currency, w3Buffer, L"%I32d", i32);
    241 
    242         getWindowsFormat(lcid, currency, w6Buffer, L"%I64d", i64);
    243 
    244         wnf->format(d,   udBuffer);
    245         if (udBuffer.compare(wdBuffer) != 0) {
    246             UnicodeString locale(localeID);
    247 
    248             log->errln("Double format error for locale " + locale +
    249                                     ": got " + udBuffer + " expected " + wdBuffer);
    250         }
    251 
    252         wnf->format(i32, u3Buffer);
    253         if (u3Buffer.compare(w3Buffer) != 0) {
    254             UnicodeString locale(localeID);
    255 
    256             log->errln("int32_t format error for locale " + locale +
    257                                     ": got " + u3Buffer + " expected " + w3Buffer);
    258         }
    259 
    260         wnf->format(i64, u6Buffer);
    261         if (u6Buffer.compare(w6Buffer) != 0) {
    262             UnicodeString locale(localeID);
    263 
    264             log->errln("int64_t format error for locale " + locale +
    265                                     ": got " + u6Buffer + " expected " + w6Buffer);
    266         }
    267     }
    268 }
    269 
    270 void Win32NumberTest::testLocales(TestLog *log)
    271 {
    272     int32_t lcidCount = 0;
    273     Win32Utilities::LCIDRecord *lcidRecords = Win32Utilities::getLocales(lcidCount);
    274 
    275     for(int i = 0; i < lcidCount; i += 1) {
    276         UErrorCode status = U_ZERO_ERROR;
    277         char localeID[128];
    278 
    279         // NULL localeID means ICU didn't recognize the lcid
    280         if (lcidRecords[i].localeID == NULL) {
    281             continue;
    282         }
    283 
    284         strcpy(localeID, lcidRecords[i].localeID);
    285 
    286         if (strchr(localeID, '@') > 0) {
    287             strcat(localeID, ";");
    288         } else {
    289             strcat(localeID, "@");
    290         }
    291 
    292         strcat(localeID, "compat=host");
    293 
    294         Locale ulocale(localeID);
    295         NumberFormat *wnf = NumberFormat::createInstance(ulocale, status);
    296         NumberFormat *wcf = NumberFormat::createCurrencyInstance(ulocale, status);
    297 
    298         testLocale(lcidRecords[i].localeID, lcidRecords[i].lcid, wnf, FALSE, log);
    299         testLocale(lcidRecords[i].localeID, lcidRecords[i].lcid, wcf, TRUE,  log);
    300 
    301 #if 0
    302         char *old_locale = strdup(setlocale(LC_ALL, NULL));
    303 
    304         setlocale(LC_ALL, "German");
    305 
    306         testLocale(lcidRecords[i].localeID, lcidRecords[i].lcid, wnf, FALSE, log);
    307         testLocale(lcidRecords[i].localeID, lcidRecords[i].lcid, wcf, TRUE,  log);
    308 
    309         setlocale(LC_ALL, old_locale);
    310 
    311         free(old_locale);
    312 #endif
    313 
    314         delete wcf;
    315         delete wnf;
    316     }
    317 
    318     Win32Utilities::freeLocales(lcidRecords);
    319 }
    320 
    321 #endif /* #if !UCONFIG_NO_FORMATTING */
    322 
    323 #endif /* #ifdef U_WINDOWS */
    324