265 lines
7.7 KiB
C++
265 lines
7.7 KiB
C++
/********************************************************************
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* COPYRIGHT:
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* Copyright (c) 1997-1999, International Business Machines Corporation and
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* others. All Rights Reserved.
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********************************************************************/
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#include "unicode/utypes.h"
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#include "tsdate.h"
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#include "unicode/datefmt.h"
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#include "unicode/smpdtfmt.h"
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#include <stdlib.h>
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#include <math.h>
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const double IntlTestDateFormat::ONEYEAR = 365.25 * ONEDAY; // Approximate
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/**
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* This test does round-trip testing (format -> parse -> format -> parse -> etc.) of
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* DateFormat.
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*/
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// par is ignored throughout this file
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void IntlTestDateFormat::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
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{
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if (exec) logln("TestSuite DateFormat");
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switch (index) {
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case 0: name = "Generic test (Default Locale)";
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if (exec) {
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logln(name);
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fFormat = DateFormat::createInstance();
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fTestName = "createInstance";
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fLimit = 3;
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testFormat(/* par */);
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}
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break;
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case 1: name = "Default Locale";
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if (exec) {
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logln(name);
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testLocale(/*par, */Locale::getDefault(), "Default Locale");
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}
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break;
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case 2: name = "Determine Available Locales";
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if (exec) {
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logln(name);
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testAvailableLocales(/* par */);
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}
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break;
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case 3: name = "Test Available Locales";
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if (exec) {
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logln(name);
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monsterTest(/*par*/);
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}
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break;
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default: name = ""; break;
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}
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}
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void
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IntlTestDateFormat::testLocale(/*char* par, */const Locale& locale, const UnicodeString& localeName)
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{
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DateFormat::EStyle timeStyle, dateStyle;
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// For patterns including only time information and a timezone, it may take
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// up to three iterations, since the timezone may shift as the year number
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// is determined. For other patterns, 2 iterations should suffice.
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fLimit = 3;
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for(timeStyle = (DateFormat::EStyle)0;
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timeStyle < (DateFormat::EStyle)4;
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timeStyle = (DateFormat::EStyle) (timeStyle+1))
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{
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fTestName = (UnicodeString) "Time test " + (int32_t) timeStyle + " (" + localeName + ")";
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fFormat = DateFormat::createTimeInstance(timeStyle, locale);
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testFormat(/* par */);
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}
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fLimit = 2;
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for(dateStyle = (DateFormat::EStyle)0;
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dateStyle < (DateFormat::EStyle)4;
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dateStyle = (DateFormat::EStyle) (dateStyle+1))
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{
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fTestName = (UnicodeString) "Date test " + (int32_t) dateStyle + " (" + localeName + ")";
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fFormat = DateFormat::createDateInstance(dateStyle, locale);
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testFormat(/* par */);
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}
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for(dateStyle = (DateFormat::EStyle)0;
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dateStyle < (DateFormat::EStyle)4;
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dateStyle = (DateFormat::EStyle) (dateStyle+1))
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{
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for(timeStyle = (DateFormat::EStyle)0;
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timeStyle < (DateFormat::EStyle)4;
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timeStyle = (DateFormat::EStyle) (timeStyle+1))
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{
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fTestName = (UnicodeString) "DateTime test " + (int32_t) dateStyle + "/" + (int32_t) timeStyle + " (" + localeName + ")";
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fFormat = DateFormat::createDateTimeInstance(dateStyle, timeStyle, locale);
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testFormat(/* par */);
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}
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}
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}
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void IntlTestDateFormat::testFormat(/* char* par */)
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{
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if (fFormat == 0)
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{
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errln("FAIL: DateFormat creation failed");
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return;
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}
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UDate now = Calendar::getNow();
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tryDate(0);
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tryDate(1278161801778.0);
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tryDate(now);
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// Shift 6 months into the future, AT THE SAME TIME OF DAY.
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// This will test the DST handling.
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tryDate(now + 6.0*30*ONEDAY);
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UDate limit = now * 10; // Arbitrary limit
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for (int32_t i=0; i<2; ++i) tryDate(uprv_floor(randDouble() * limit));
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delete fFormat;
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}
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void
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IntlTestDateFormat::describeTest()
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{
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// Assume it's a SimpleDateFormat and get some info
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SimpleDateFormat *s = (SimpleDateFormat*)fFormat;
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UnicodeString str;
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logln(fTestName + " Pattern " + s->toPattern(str));
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}
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void IntlTestDateFormat::tryDate(UDate theDate)
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{
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const int32_t DEPTH = 10;
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UDate date[DEPTH];
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UnicodeString string[DEPTH];
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int32_t dateMatch = 0;
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int32_t stringMatch = 0;
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UBool dump = FALSE;
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int32_t i;
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for (i=0; i<DEPTH; ++i)
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{
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UErrorCode status = U_ZERO_ERROR;
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if (i == 0) date[i] = theDate;
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else date[i] = fFormat->parse(string[i-1], status);
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if (U_FAILURE(status))
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{
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describeTest();
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errln("********** FAIL: Parse of " + string[i-1] + " failed.");
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dump = TRUE;
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break;
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}
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fFormat->format(date[i], string[i]);
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if (i > 0)
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{
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if (dateMatch == 0 && date[i] == date[i-1]) dateMatch = i;
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else if (dateMatch > 0 && date[i] != date[i-1])
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{
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describeTest();
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errln("********** FAIL: Date mismatch after match.");
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dump = TRUE;
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break;
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}
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if (stringMatch == 0 && string[i] == string[i-1]) stringMatch = i;
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else if (stringMatch > 0 && string[i] != string[i-1])
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{
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describeTest();
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errln("********** FAIL: String mismatch after match.");
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dump = TRUE;
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break;
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}
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}
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if (dateMatch > 0 && stringMatch > 0) break;
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}
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if (i == DEPTH) --i;
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if (stringMatch > fLimit || dateMatch > fLimit)
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{
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describeTest();
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errln((UnicodeString)"********** FAIL: No string and/or date match within " + fLimit + " iterations.");
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dump = TRUE;
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}
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if (dump)
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{
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for (int32_t k=0; k<=i; ++k)
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{
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logln((UnicodeString)"" + k + ": " + date[k] + " F> " +
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string[k] + " P> ");
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}
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}
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}
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// Return a random double from 0.01 to 1, inclusive
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double IntlTestDateFormat::randDouble()
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{
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// Assume 8-bit (or larger) rand values. Also assume
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// that the system rand() function is very poor, which it always is.
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double d=0.0;
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uint32_t i;
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char* poke = (char*)&d;
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do {
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for (i=0; i < sizeof(double); ++i)
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{
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poke[i] = (char)(rand() & 0xFF);
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}
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} while (uprv_isNaN(d) || uprv_isInfinite(d));
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if (d < 0.0)
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d = -d;
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if (d > 0.0)
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{
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double e = uprv_floor(uprv_log10(d));
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if (e < -2.0)
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d *= uprv_pow10((long)-e-2);
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else if (e > -1.0)
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d /= uprv_pow10((long)e+1);
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}
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return d;
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}
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void IntlTestDateFormat::testAvailableLocales(/* char* par */)
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{
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int32_t count = 0;
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const Locale* locales = DateFormat::getAvailableLocales(count);
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logln((UnicodeString)"" + count + " available locales");
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if (locales && count)
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{
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UnicodeString name;
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UnicodeString all;
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for (int32_t i=0; i<count; ++i)
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{
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if (i!=0) all += ", ";
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all += locales[i].getName();
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}
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logln(all);
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}
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else errln((UnicodeString)"********** FAIL: Zero available locales or null array pointer");
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}
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void IntlTestDateFormat::monsterTest(/*char *par*/)
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{
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int32_t count;
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const Locale* locales = DateFormat::getAvailableLocales(count);
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if (locales && count)
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{
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if (quick && count > 2) {
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logln("quick test: testing just 2 locales!");
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count = 2;
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}
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for (int32_t i=0; i<count; ++i)
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{
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UnicodeString name = UnicodeString(locales[i].getName(), "");
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logln((UnicodeString)"Testing " + name + "...");
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testLocale(/*par, */locales[i], name);
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}
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}
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}
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